Welcome to sap2012’s documentation!

SAP2012 energy calculation method in Python.

Introduction

SAP2012 is the Standard Assessment Procedure 2012, the UK Government’s energy calculation method for the building regulation compliance for new dwellings.

SAP2012 is developed and published by the Building Research Establishment: https://www.bregroup.com/sap/standard-assessment-procedure-sap-2012

This Python package contains the calculation methods and data in the SAP2012 methodology. It allows the user to specify the inputs needed for a SAP calculation and then to run a SAP calculation based on these inputs.

Installation

Available on PyPi. Download using the command pip install sap2012.

If using the Anaconda distribution, this command is run using the Anaconda prompt.

Issues & feature requests?

Please raise them on the GitHub Issues page.

Contributions

All contributions welcome. Please send your pull requests.

Contacts

https://www.lboro.ac.uk/departments/abce/staff/steven-firth/

Approach

The package is designed to represent the SAP calculation method as simply as possible, to allow for flexibility and customisation.

Each section of the SAP2012 calculation method is implemented as a separate Python function which takes the input data as a series of arguments and returns the calculation results. For example, the method for calculating ventilation rates (SAP worksheet Section 2) is given by the ventilation_rates function.

A complete SAP calculation is run using the calculate_worksheet function.

Note

This is a partial implementation of the Standard Assessment Procedure for the most common use case. The complete procedure includes many additional calculation options in Appendices and many additional reference tables.

Note

It is recommended that users carry out their own validation of the calculation results given by this Python package. The package has been validated for a common use case. But there are many edge cases possible given the complex nature of the SAP procedure and all possible edge cases have not been checked.

Quick Example

This example:

• Imports the calculate_worksheet function.

• Reads in the ‘inputs’ dictionary from a json file (available to view here).

• Runs the calculate_worksheet function with the ‘inputs’ dictionary.

• Prints the results of the SAP_rating section of the SAP worksheet (the full result dictionary is available to view here).

>>> from sap2012 import calculate_worksheet
>>> import json
>>> with open('inputs.json') as f:
>>>     inputs=json.load(f)
>>> result=calculate_worksheet(inputs)
>>> print(result['SAP_rating'])
{'energy_cost_factor': 1.7754795340546146, 'SAP_rating_value': 75.23206049993813}

The format required for the ‘inputs’ dictionary is given in the documentation of the calculate_worksheet function.

The return value of the calculate_worksheet function is a dictionary containing the model outputs. This is also described in the calculate_worksheet documentation.

calculate_worksheet function

sap2012.SAP_worksheet.calculate_worksheet.calculate_worksheet(inputs)

This function runs the complete set of calculations for the SAP2012 worksheet.

Parameters

inputs (dict) – A dictionary of the SAP model inputs.

Returns

A dictionary with the results of all the calculation sections.

Return type

dict

SAP Calculation Sections

The SAP calculation sections are run as given in the order below:

• overall_dwelling_dimensions (Section 1)

• ventilation_rates (Section 2)

• heat_losses_and_heat_loss_parameter (Section 3)

• water_heating_requirement (Section 4)

• internal_gains_appendix_L

• internal_gains (Section 5)

• solar_gains_appendix_U3

• solar_gains (Section 6)

• utilisation_factor_for_heating_table_9a

• temperature_reduction_when_heating_is_off_table_9b

• heating_requirement_table_9c

• mean_internal_temperature (Section 7)

• utilisation_factor_for_heating_whole_house_table_9a

• space_heating_requirement (Section 8)

• energy_requirements (Section 9)

• fuel_costs (Section 10)

• SAP_rating (Section 11)

• CO2_emissions (Section 12)

Inputs

The ‘inputs’ dictionary holds all the inputs to run a complete SAP calculation. The dictionary is a collection of 18 individual dictionaries which contain the model inputs to individual calculation sections as listed above.

To see definitions of the model inputs, please see the documentation for the individual calculation sections.

For the calculate_worksheet function, not all inputs need to be provided for all calculation sections. This is because some inputs for later sections are calculated as outputs by earlier sections.

An example of a valid ‘inputs’ dictionary is:

{'overall_dwelling_dimensions':
     {'area':[0,63,63],
      'average_storey_height': [0,2.5,2.75]
      }
 'ventilation_rates':
     {'number_of_chimneys_main_heating': 0, 
      'number_of_chimneys_secondary_heating': 0, 
      'number_of_chimneys_other': 0, 
      'number_of_open_flues_main_heating': 0, 
      'number_of_open_flues_secondary_heating': 0, 
      'number_of_open_flues_other': 0, 
      'number_of_intermittant_fans_total': 0, 
      'number_of_passive_vents_total': 0, 
      'number_of_flueless_gas_fires_total': 0, 
      'air_permeability_value_q50': 11.78, 
      'number_of_storeys_in_the_dwelling': 2, 
      'structural_infiltration': 0, 
      'suspended_wooden_ground_floor_infiltration': 0, 
      'no_draft_lobby_infiltration': 0, 
      'percentage_of_windows_and_doors_draught_proofed': 0, 
      'number_of_sides_on_which_dwelling_is_sheltered': 2, 
      'monthly_average_wind_speed': [4.5, 4.5, 4.4, 3.9, 3.8, 3.4, 3.3, 3.3, 3.5, 3.8, 3.9, 4.1], 
      'applicable_case': 'natural ventilation or whole house positive input ventilation from loft', 
      'mechanical_ventilation_air_change_rate_through_system': 0.5, 
      'exhaust_air_heat_pump_using_Appendix_N': False, 
      'mechanical_ventilation_throughput_factor': None, 
      'efficiency_allowing_for_in_use_factor': None
      }
  'heat_losses_and_heat_loss_parameter':
      {'solid_door_net_area': 1.5, 
       'solid_door_u_value': 3, 
       'semi_glazed_door_net_area': 10.6, 
       'semi_glazed_door_u_value': 1.4, 
       'window_net_area': 23, 
       'window_u_value': 2, 
       'roof_window_net_area': 0, 
       'roof_window_u_value': None, 
       'basement_floor_net_area': 0, 
       'basement_floor_u_value': None, 
       'basement_floor_heat_capacity': None, 
       'ground_floor_net_area': 63, 
       'ground_floor_u_value': 0.63, 
       'ground_floor_heat_capacity': 20, 
       'exposed_floor_net_area': 0, 
       'exposed_floor_u_value': None, 
       'exposed_floor_heat_capacity': None, 
       'basement_wall_gross_area': 0, 
       'basement_wall_opening': 0, 
       'basement_wall_u_value': None, 
       'basement_wall_heat_capacity': None, 
       'external_wall_gross_area': 120, 
       'external_wall_opening': 35.1, 
       'external_wall_u_value': 1.5, 
       'external_wall_heat_capacity': 190, 
       'roof_gross_area': 63, 
       'roof_opening': 0, 
       'roof_u_value': 0.14, 
       'roof_heat_capacity': 9, 
       'party_wall_net_area': 47, 
       'party_wall_u_value': 0.5, 
       'party_wall_heat_capacity': 180, 
       'party_floor_net_area': 0, 
       'party_floor_heat_capacity': None, 
       'party_ceiling_net_area': 39, 
       'party_ceiling_heat_capacity': 100, 
       'internal_wall_net_area': 131, 
       'internal_wall_heat_capacity': 9, 
       'internal_floor_net_area': 63, 
       'internal_floor_heat_capacity': 18, 
       'internal_ceiling_net_area': 63, 
       'internal_ceiling_heat_capacity': 9, 
       'thermal_bridges_appendix_k': 36.9
       },
 'water_heating_requirement':
     {'assumed_occupancy': 2.88, 
      'V_dm_table_1c': [1.1, 1.06, 1.02, 0.98, 0.94, 0.9, 0.9, 0.94, 0.98, 1.02, 1.06, 1.1], 
      'days_in_month': [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31], 
      'T_table_1d': [41.2, 41.4, 40.1, 37.6, 36.4, 33.9, 30.4, 33.4, 33.5, 36.3, 39.4, 39.9], 
      'water_storage_loss_manufacturer': 0, 
      'temperature_factor_table_2b': 0, 
      'storage_volume_litres': 0, 
      'hot_water_storage_loss_table_2': 0, 
      'volume_factor_table_2a': 0, 
      'Vs_appendix_G3': 0, 
      'solar_storage_WWHRS_factor': 0, 
      'primary_circuit_loss_table_3': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 
      'combi_loss_table_3': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 
      'solar_DHW_input_appendix_G': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
      },
  'internal_gains_appendix_L':
      {'number_of_low_energy_light_bulbs': 0, 
       'total_number_of_light_bulbs': 10, 
       'frame_factor': 0.7, 
       'window_area': 23, 
       'light_access_factor_table_6d': 0, 
       'light_transmittance_factor_table_6d': 0, 
       'month_number': [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
       },
  'internal_gains':
      {'pumps_and_fans_gains':[3,3,3,3,3,3,3,3,3,3,3,3]
       }
  'solar_gains_appendix_U3':
      {'solar_radiation_horizontal_plane_monthly_table_U3': [28, 55, 97, 153, 191, 208, 194, 208, 163, 69, 35, 23], 
       'solar_declination_monthly_table_U3': [-20.7, -12.8, -1.8, 9.8, 18.8, 23.1, 21.2, 13.7, 2.9, -8.7, -18.4, -23], 
       'location_latitude_table_U4': 53.4, 
       'p_tilt': 90
       },
  'solar_gains':
      {'access_factor_table_6d_north': 0.77, 
       'access_factor_table_6d_north_east': 0, 
       'access_factor_table_6d_east': 0.77, 
       'access_factor_table_6d_south_east': 0, 
       'access_factor_table_6d_south': 0.77, 
       'access_factor_table_6d_south_west': 0, 
       'access_factor_table_6d_west': 0, 
       'access_factor_table_6d_north_west': 0, 
       'access_factor_table_6d_roof_windows': 0, 
       'area_north': 10, 
       'area_north_east': 0, 
       'area_east': 4.9, 
       'area_south_east': 0, 
       'area_south': 11.9, 
       'area_south_west': 0, 
       'area_west': 0, 
       'area_north_west': 0, 
       'area_roof_windows': 0, 
       'solar_flux_roof_windows': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 
       'g_table_6b_north': 0.72, 
       'g_table_6b_north_east': 0, 
       'g_table_6b_east': 0.72, 
       'g_table_6b_south_east': 0, 
       'g_table_6b_south': 0.72, 
       'g_table_6b_south_west': 0, 
       'g_table_6b_west': 0, 
       'g_table_6b_north_west': 0, 
       'g_table_6b_roof_windows': 0, 
       'FF_table_6b_north': 0.72, 
       'FF_table_6b_north_east': 0, 
       'FF_table_6b_east': 0.72, 
       'FF_table_6b_south_east': 0, 
       'FF_table_6b_south': 0.72, 
       'FF_table_6b_south_west': 0, 
       'FF_table_6b_west': 0, 
       'FF_table_6b_north_west': 0, 
       'FF_table_6b_roof_windows': 0
       },
  'utilisation_factor_for_heating_table_9a':
      {'temperature_during_heating_living_room': 20, 
       'heating_controls': 2, 
       'monthly_external_temperature_table_U1': [4.3, 4.8, 6.6, 9, 11.8, 14.8, 16.6, 16.5, 14, 10.5, 7.1, 4.2]
       },
  'temperature_reduction_when_heating_is_off_table_9b':
      {'hours_heating_is_off_1_weekday_living_room': 8, 
       'hours_heating_is_off_2_weekday_living_room': 8, 
       'hours_heating_is_off_1_weekend_living_room': 8, 
       'hours_heating_is_off_2_weekend_living_room': 8, 
       'hours_heating_is_off_1_weekday_rest_of_dwelling': 8, 
       'hours_heating_is_off_2_weekday_rest_of_dwelling': 8, 
       'hours_heating_is_off_1_weekend_rest_of_dwelling': 8, 
       'hours_heating_is_off_2_weekend_rest_of_dwelling': 8, 
       'responsiveness_of_heating_system': 1
       },
  'heating_requirement_table_9c':
      {'temperature_adjustment_table_4e': 0
       },
  'mean_internal_temperature':
      {'living_room_area': 16
       },
  'energy_requirements':
      {'fraction_of_space_heat_secondary_system': 0, 
       'fraction_of_space_heat_from_main_system_2': 0, 
       'efficiency_of_main_space_heating_system_1': 88.8, 
       'efficiency_of_main_space_heating_system_2': 0, 
       'efficiency_of_secondary_space_heating_system': 0, 
       'cooling_system_energy_efficiency_ratio_table_10c': 0, 
       'water_heater_type': 'gas/oil boiler main system', 
       'efficiency_of_water_heater': 80, 
       'efficiency_of_water_heater_adjustment_table_4c': 0, 
       'space_cooling_requirement_monthly': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 
       'electricity_demand_mechanical_ventilation_fans_table_4f': 0, 
       'electricity_demand_warm_air_heating_systems_fans_table_4f': 0, 
       'electricity_demand_central_heating_pump_or_water_pump_table_4f': 0, 
       'electricity_demand_oil_boiler_pump_table_4f': 0, 
       'electricity_demand_boiler_flue_fan_table_4f': 0, 
       'electricity_demand_keep_hot_facility_gas_combi_boiler_table_4f': 0, 
       'electricity_demand_pump_for_solar_water_heating_table_4f': 0, 
       'electricity_demand_pump_for_storage_WWHRS_Table_G3': 0, 
       'electricity_generated_by_PV_appendix_M': [0], 
       'electricity_generated_by_wind_turbine_appendix_M': [0], 
       'electricity_used_or_generated_by_micro_CHP_appendix_N': [0], 
       'electricity_generated_by_hydro_electric_generator_appendix_M': [0], 
       'appendix_Q_energy_saved': [0], 'appendix_Q_energy_used': [0]
       },
  'fuel_costs':
      {'space_heating_fuel_price_main_system_1': 3.48, 
       'space_heating_fuel_price_main_system_2': 0, 
       'space_heating_fuel_price_secondary': 0, 
       'water_heating_high_rate_fraction_table_13': 0, 
       'water_heating_low_rate_fraction_table_13': 1, 
       'high_rate_fuel_price': 0, 
       'low_rate_fuel_price': 3.48, 
       'water_heating_fuel_price_other': 0, 
       'space_cooling_fuel_used': 0, 
       'space_cooling_fuel_price': 0, 
       'electricity_for_pumps_fans_electric_keep_hot': 0, 
       'fuel_price_for_pumps_fans_electric_keep_hot': 0, 
       'fuel_price_for_lighting': 13.19, 
       'additional_standing_charges_table_12': 0, 
       'energy_saving_generation_technologies': [0], 
       'energy_saving_generation_technologies_fuel_price': [0], 
       'appendix_Q_energy_used_fuel_price': [0], 
       'appendix_Q_energy_saved_fuel_price': [0]
       },
 'SAP_rating':
     {'energy_cost_deflator': 0.42
      },
 'CO2_emissions':
     {'space_heating_fuel_emission_factor_main_system_1': 0.216, 
      'space_heating_fuel_emission_factor_main_system_2': 0, 
      'space_heating_fuel_emission_factor_secondary': 0, 
      'water_heating_fuel_emission_factor': 0.216, 
      'space_cooling_fuel_emission_factor': 0, 
      'fuel_emission_factor_for_pumps_fans_electric_keep_hot': 0, 
      'fuel_emission_factor_for_lighting': 0.519, 
      'energy_saving_generation_technologies_fuel_emission_factor': [0], 
      'appendix_Q_energy_used_fuel_emission_factor': [0], 
      'appendix_Q_energy_saved_fuel_emission_factor': [0]
      }
 }

Outputs

The calculate_worksheet function returns a dictionary containing the outputs of all SAP calculation sections.

The output dictionary is a collection of dictionaries, where each dictionary holds the outputs of an individual calculation section.

An example of an output dictionary as returned by the calculate_worksheet function is:

{
     "overall_dwelling_dimensions": {
         "volume": [
             0,
             157.5,
             173.25
         ],
         "total_floor_area": 126,
         "dwelling_volume": 330.75
     },
     "ventilation_rates": {
         "number_of_chimneys_total": 0,
         "number_of_chimneys_m3_per_hour": 0.0,
         "number_of_open_flues_total": 0,
         "number_of_open_flues_m3_per_hour": 0.0,
         "number_of_intermittant_fans_m3_per_hour": 0.0,
         "number_of_passive_vents_m3_per_hour": 0.0,
         "number_of_flueless_gas_fires_m3_per_hour": 0.0,
         "infiltration_due_to_chimneys_flues_fans_PSVs": 0.0,
         "additional_infiltration": null,
         "window_infiltration": null,
         "infiltration_rate": null,
         "infiltration_rate2": 0.589,
         "shelter_factor": 0.85,
         "infiltration_rate_incorporating_shelter_factor": 0.5006499999999999,
         "wind_factor": [
             1.125,
             1.125,
             1.1,
             0.975,
             0.95,
             0.85,
             0.825,
             0.825,
             0.875,
             0.95,
             0.975,
             1.025
         ],
         "adjusted_infiltration_rate_allowing_for_shelter_and_wind_speed": [
             0.56323125,
             0.56323125,
             0.550715,
             0.4881337499999999,
             0.4756174999999999,
             0.42555249999999994,
             0.41303624999999994,
             0.41303624999999994,
             0.43806874999999995,
             0.4756174999999999,
             0.4881337499999999,
             0.5131662499999999
         ],
         "exhaust_air_heat_pump_air_change_rate_through_system": null,
         "effective_air_change_rate": [
             0.6586147204882813,
             0.6586147204882813,
             0.6516435056125,
             0.6191372789445312,
             0.6131060031531249,
             0.590547465128125,
             0.5852994719070312,
             0.5852994719070312,
             0.5959521148632813,
             0.6131060031531249,
             0.6191372789445312,
             0.6316698000695312
         ]
     },
     "heat_losses_and_heat_loss_parameter": {
         "solid_floor_UA": 4.5,
         "semi_glazed_door_UA": 14.839999999999998,
         "window_UA": 46,
         "roof_window_UA": 0,
         "basement_floor_UA": 0,
         "basement_floor_Ak": 0,
         "ground_floor_UA": 39.69,
         "ground_floor_Ak": 1260,
         "exposed_floor_UA": 0,
         "exposed_floor_Ak": 0,
         "basement_wall_net_area": 0,
         "basement_wall_UA": 0,
         "basement_wall_Ak": 0,
         "external_wall_net_area": 84.9,
         "external_wall_UA": 127.35000000000001,
         "external_wall_Ak": 16131.000000000002,
         "roof_net_area": 63,
         "roof_UA": 8.82,
         "roof_Ak": 567,
         "total_area_of_external_elements": 246.0,
         "party_wall_UA": 23.5,
         "party_wall_Ak": 8460,
         "party_floor_Ak": 0,
         "party_ceiling_Ak": 3900,
         "internal_wall_Ak": 1179,
         "internal_floor_Ak": 1134,
         "internal_ceiling_Ak": 567,
         "fabric_heat_loss": 264.7,
         "heat_capacity": 33198.0,
         "thermal_mass_parameter": 263.4761904761905,
         "thermal_bridges": 36.9,
         "total_fabric_heat_loss": 301.59999999999997,
         "ventilation_heat_loss_calculated_monthly": [
             71.88615020449468,
             71.88615020449468,
             71.12525952884035,
             67.57728615359822,
             66.9189874791557,
             64.45677945007202,
             63.8839741099727,
             63.8839741099727,
             65.04668345703999,
             66.9189874791557,
             67.57728615359822,
             68.94517950308916
         ],
         "heat_transfer_coefficient": [
             373.48615020449466,
             373.48615020449466,
             372.7252595288403,
             369.1772861535982,
             368.51898747915567,
             366.056779450072,
             365.4839741099727,
             365.4839741099727,
             366.64668345703996,
             368.51898747915567,
             369.1772861535982,
             370.5451795030891
         ],
         "average_heat_transfer_coefficient": 369.1088914861237,
         "heat_loss_parameter": [
             2.9641757952737673,
             2.9641757952737673,
             2.9581369803876214,
             2.9299784615364937,
             2.924753868882188,
             2.905212535318032,
             2.9006664611902595,
             2.9006664611902595,
             2.909894313151111,
             2.924753868882188,
             2.9299784615364937,
             2.940834757961025
         ],
         "average_heat_loss_parameter": 0.27899387111573976
     },
     "water_heating_requirement": {
         "annual_hot_water_usage_litres_per_day": 108.0,
         "hot_water_usage_in_litres_per_day_monthly": [
             118.80000000000001,
             114.48,
             110.16,
             105.84,
             101.52,
             97.2,
             97.2,
             101.52,
             105.84,
             110.16,
             114.48,
             118.80000000000001
         ],
         "energy_content_of_water_used": [
             176.17696800000002,
             154.0855008,
             159.00243479999997,
             138.622176,
             133.01127839999998,
             114.77861999999999,
             106.35926399999998,
             122.04881039999998,
             123.50646,
             143.93487239999996,
             157.116168,
             170.617986
         ],
         "distribution_loss": [
             26.426545200000003,
             23.11282512,
             23.850365219999997,
             20.793326399999998,
             19.951691759999996,
             17.216793,
             15.953889599999997,
             18.307321559999995,
             18.525969,
             21.590230859999995,
             23.5674252,
             25.5926979
         ],
         "energy_lost_from_water_storage": 0,
         "water_storage_loss_monthly": [
             0,
             0,
             0,
             0,
             0,
             0,
             0,
             0,
             0,
             0,
             0,
             0
         ],
         "total_heat_required_for_water_heating": [
             176.17696800000002,
             154.0855008,
             159.00243479999997,
             138.622176,
             133.01127839999998,
             114.77861999999999,
             106.35926399999998,
             122.04881039999997,
             123.50646,
             143.93487239999996,
             157.116168,
             170.617986
         ],
         "output_from_water_heater_monthly": [
             176.17696800000002,
             154.0855008,
             159.00243479999997,
             138.622176,
             133.01127839999998,
             114.77861999999999,
             106.35926399999998,
             122.04881039999997,
             123.50646,
             143.93487239999996,
             157.116168,
             170.617986
         ],
         "heat_gains_from_water_heating_monthly": [
             58.57884186000001,
             51.233429016,
             52.868309571,
             46.09187352,
             44.22625006799999,
             38.16389115,
             35.364455279999994,
             40.58122945799999,
             41.06589795,
             47.85834507299999,
             52.24112586,
             56.730480345000004
         ]
     },
     "internal_gains_appendix_L": {
         "G_L": 0.0,
         "C_1": 1.0,
         "C_2": 1.433,
         "E_B": 961.3129846269878,
         "initial_annual_lighting_demand": 1377.5615069704736,
         "monthly_lighting_demand": [
             170.44004138215163,
             136.73333404409811,
             123.11320471364185,
             90.19801113556179,
             69.67153789610578,
             56.92224382365604,
             63.55670774707949,
             82.61341500897964,
             107.30665588605414,
             140.792137622484,
             159.02439796754066,
             175.17709717811994
         ],
         "annual_lighting_demand": 1375.548784405473,
         "lighting_gains": [
             194.72316555756572,
             172.9513897879217,
             140.65352689058545,
             106.48376314614931,
             79.59785915549719,
             67.19987118070505,
             72.61183008738921,
             94.38360585703319,
             126.68146875436948,
             160.85123249880564,
             187.7371364894577,
             200.1351244642499
         ],
         "initial_annual_electrical_appliance_demand": 3344.397090331292,
         "monthly_electrical_appliance_demand": [
             324.97196609445984,
             296.56891709489645,
             319.84634209264283,
             292.02145229267745,
             278.91906038248453,
             249.1509937495433,
             243.11740267414316,
             239.74521055639624,
             240.2351871057679,
             266.3338680661697,
             279.8422339220502,
             310.63334189407493
         ],
         "annual_electrical_appliance_demand": 3341.3859759253064,
         "appliances_gains": [
             436.7902770086826,
             441.32279329597685,
             429.9009974363479,
             405.5853504064965,
             374.89121019151145,
             346.0430468743657,
             326.77070251900966,
             322.2381862317154,
             333.6599820913443,
             357.9756291211959,
             388.66976933618076,
             417.5179326533265
         ],
         "cooking_gains": [
             55.16,
             55.16,
             55.16,
             55.16,
             55.16,
             55.16,
             55.16,
             55.16,
             55.16,
             55.16,
             55.16,
             55.16
         ],
         "losses": [
             -115.19999999999999,
             -115.19999999999999,
             -115.19999999999999,
             -115.19999999999999,
             -115.19999999999999,
             -115.19999999999999,
             -115.19999999999999,
             -115.19999999999999,
             -115.19999999999999,
             -115.19999999999999,
             -115.19999999999999,
             -115.19999999999999
         ],
         "water_heating_gains": [
             78.73500250000002,
             76.24022175,
             71.059555875,
             64.016491,
             59.44388449999999,
             53.005404375,
             47.532869999999996,
             54.544663249999985,
             57.035969375,
             64.32573262499999,
             72.55711925,
             76.250645625
         ],
         "metabolic_gains": [
             172.79999999999998,
             172.79999999999998,
             172.79999999999998,
             172.79999999999998,
             172.79999999999998,
             172.79999999999998,
             172.79999999999998,
             172.79999999999998,
             172.79999999999998,
             172.79999999999998,
             172.79999999999998,
             172.79999999999998
         ]
     },
     "internal_gains": {
         "total_internal_gains": [
             826.0084450662484,
             806.2744048338986,
             757.3740802019332,
             691.8456045526458,
             629.6929538470085,
             582.0083224300707,
             562.6754026063988,
             586.9264553387486,
             633.1374202207138,
             698.9125942450014,
             764.7240250756385,
             809.6637027425766
         ]
     },
     "solar_gains_appendix_U3": {
         "solar_flux_north": [
             11.436412538787879,
             20.68106276617149,
             34.88819996564874,
             56.60050580088716,
             74.37336606102218,
             83.23769024974976,
             76.70104638812194,
             78.53644960579577,
             58.8572132744309,
             25.27636829258531,
             13.896518711289401,
             9.694808146066876
         ],
         "solar_flux_north_east": [
             12.145680410782088,
             23.390120502005598,
             41.822541929590635,
             69.35106310279406,
             90.92010849368495,
             101.33317075341961,
             93.56166394939247,
             96.27172344125725,
             71.49571781748358,
             29.345278592731244,
             15.052394030804441,
             10.086433192648474
         ],
         "solar_flux_east": [
             21.134620057486963,
             39.10325251255132,
             63.89067906174743,
             94.07548963233845,
             112.45528635480359,
             120.35576029517244,
             113.08865238428933,
             125.3690022999708,
             104.24164026519922,
             47.62774419378216,
             25.95337911472664,
             17.67550544600751
         ],
         "solar_flux_south_east": [
             39.52445140930432,
             63.67584001530772,
             86.45248517226558,
             108.19002478773515,
             118.24508642072698,
             122.75319126127208,
             116.79405702599594,
             138.09149868418606,
             131.337465411037,
             72.24114109708997,
             46.62387627277164,
             34.40022790846911
         ],
         "solar_flux_south": [
             50.19978039205471,
             77.74870204827221,
             98.25759733263759,
             112.15296767461275,
             114.04561780476595,
             114.77624296019953,
             110.66770715027762,
             138.64572001814557,
             144.00160165626096,
             86.0766956546692,
             58.60023126922464,
             44.116758929075765
         ],
         "solar_flux_south_west": [
             39.52445140930432,
             63.67584001530772,
             86.45248517226558,
             108.19002478773515,
             118.24508642072698,
             122.75319126127208,
             116.79405702599594,
             138.09149868418606,
             131.337465411037,
             72.24114109708997,
             46.62387627277164,
             34.40022790846911
         ],
         "solar_flux_west": [
             21.134620057486963,
             39.10325251255132,
             63.89067906174743,
             94.07548963233845,
             112.45528635480359,
             120.35576029517244,
             113.08865238428933,
             125.3690022999708,
             104.24164026519922,
             47.62774419378216,
             25.95337911472664,
             17.67550544600751
         ],
         "solar_flux_north_west": [
             12.145680410782088,
             23.390120502005598,
             41.822541929590635,
             69.35106310279406,
             90.92010849368495,
             101.33317075341961,
             93.56166394939247,
             96.27172344125725,
             71.49571781748358,
             29.345278592731244,
             15.052394030804441,
             10.086433192648474
         ]
     },
     "solar_gains": {
         "gains_north": [
             41.085449282545916,
             74.29696616022427,
             125.33627703499268,
             203.33799629575677,
             267.187210054615,
             299.032401074509,
             275.5494295618847,
             282.14313764621653,
             211.44524497495226,
             90.80565640753223,
             49.923410228531715,
             34.828714602443
         ],
         "gains_north_east": [
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0
         ],
         "gains_east": [
             37.20392432426168,
             68.8346629062817,
             112.46873529656344,
             165.60398945092524,
             197.9585131896034,
             211.86596143347,
             199.07344696965018,
             220.6909261434296,
             183.4997783406816,
             83.84058884905545,
             45.68653469600037,
             31.1147380562152
         ],
         "gains_south_east": [
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0
         ],
         "gains_south": [
             214.60854301242728,
             332.38264266048253,
             420.0600010353155,
             479.4639498259235,
             487.55519810813206,
             490.6786858778245,
             473.1143284803312,
             592.7228313674555,
             615.6197035435115,
             367.98555885109886,
             250.52122050458306,
             188.60308316603607
         ],
         "gains_south_west": [
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0
         ],
         "gains_west": [
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0
         ],
         "gains_north_west": [
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0
         ],
         "gains_roof_windows": [
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0
         ],
         "solar_gains_watts": [
             292.8979166192349,
             475.5142717269885,
             657.8650133668716,
             848.4059355726056,
             952.7009213523504,
             1001.5770483858034,
             947.7372050118661,
             1095.5568951571017,
             1010.5647268591454,
             542.6318041076865,
             346.13116542911513,
             254.54653582469427
         ],
         "total_internal_and_solar_gains": [
             1118.9063616854833,
             1281.788676560887,
             1415.239093568805,
             1540.2515401252513,
             1582.393875199359,
             1583.5853708158743,
             1510.412607618265,
             1682.4833504958503,
             1643.702147079859,
             1241.544398352688,
             1110.8551905047536,
             1064.2102385672708
         ]
     },
     "utilisation_factor_for_heating_table_9a": {
         "time_constant": [
             24.690786155303304,
             24.690786155303304,
             24.741190544273064,
             24.97896542538086,
             25.02358624652486,
             25.19190241612353,
             25.23138446527864,
             25.23138446527864,
             25.151370741219782,
             25.02358624652486,
             24.97896542538086,
             24.886753833994458
         ],
         "a": [
             2.646052410353554,
             2.646052410353554,
             2.6494127029515377,
             2.6652643616920573,
             2.6682390831016574,
             2.679460161074902,
             2.6820922976852426,
             2.6820922976852426,
             2.6767580494146523,
             2.6682390831016574,
             2.6652643616920573,
             2.659116922266297
         ],
         "heat_loss_rate_living_room": [
             5863.732558210566,
             5676.989483108318,
             4994.51847768646,
             4060.95014768958,
             3021.855697329076,
             1903.495253140374,
             1242.6455119739067,
             1279.1939093849044,
             2199.88010074224,
             3500.9303810519787,
             4762.386991381417,
             5854.613836148808
         ],
         "y_living_room": [
             0.19081810955357412,
             0.2257866921146858,
             0.28335846586443425,
             0.37928353811522547,
             0.5236497151726959,
             0.8319355502480427,
             1.2154814812947081,
             1.3152684187691812,
             0.747178060533969,
             0.3546327013734052,
             0.23325596859622907,
             0.18177291762547967
         ],
         "utilisation_factor_for_heating_living_room": [
             0.9898710602320386,
             0.9848424812922535,
             0.9743732827705389,
             0.9517679810882888,
             0.9065144344272734,
             0.7913072833532275,
             0.6541059073056135,
             0.6227782770288123,
             0.8237698575019649,
             0.958475204499211,
             0.9840832115221984,
             0.9911951081097073
         ],
         "temperature_during_heating_rest_of_dwelling": [
             17.768019050166806,
             17.768019050166806,
             17.771077552507112,
             17.78541935388582,
             17.788094897246257,
             17.798142454296052,
             17.80048903206591,
             17.80048903206591,
             17.79572942965799,
             17.788094897246257,
             17.78541935388582,
             17.77987433150828
         ],
         "heat_loss_rate_rest_of_dwelling": [
             5030.118585927595,
             4843.375510825348,
             4163.742779975016,
             3243.377274788865,
             2206.726668462289,
             1097.4903711521472,
             438.7595023148832,
             475.30789972588104,
             1391.6916066843835,
             2685.8013521851917,
             3944.814118480702,
             5031.9569717981285
         ],
         "y_rest_of_dwelling": [
             0.22244134856298778,
             0.26464780062912374,
             0.3398958985591557,
             0.4748912659954175,
             0.7170774241388113,
             1.442915047312373,
             3.4424613020330477,
             3.5397756937475053,
             1.181082173079907,
             0.4622621838143601,
             0.28159886806848744,
             0.21149032961364614
         ],
         "utilisation_factor_for_heating_rest_of_dwelling": [
             0.9853699748581132,
             0.9780077699256723,
             0.9614077696920973,
             0.9228038974306823,
             0.8347106825562942,
             0.5854904937196589,
             0.2829256350308353,
             0.2756078214168028,
             0.6650196783967307,
             0.9270852526727167,
             0.9752439186346192,
             0.9872897632890457
         ]
     },
     "temperature_reduction_when_heating_is_off_table_9b": {
         "t_c": [
             10.172696538825825,
             10.172696538825825,
             10.185297636068267,
             10.244741356345216,
             10.255896561631214,
             10.297975604030881,
             10.30784611631966,
             10.30784611631966,
             10.287842685304945,
             10.255896561631214,
             10.244741356345216,
             10.221688458498615
         ],
         "internal_temperature_without_heating_living_room": [
             7.265499593319735,
             8.179937756795958,
             10.299698709041044,
             12.970889200651463,
             15.69250740817979,
             18.223246632997107,
             19.303182298260516,
             19.366922098850182,
             17.69301658672797,
             13.72911318422433,
             10.061108346609386,
             7.046724342447828
         ],
         "internal_temperature_without_heating_rest_of_dwelling": [
             7.252015042268464,
             8.15648131635647,
             10.25046861124734,
             12.850047599244316,
             15.384187291612122,
             17.332869851499847,
             17.76922895787599,
             17.76874392216354,
             16.98132868112836,
             13.623360101808329,
             10.034510896677231,
             7.035508144874141
         ],
         "temperature_reduction_when_heating_is_off_1_weekday_living_room": [
             1.6691084621239978,
             1.549253232000747,
             1.2698436036675929,
             0.9148252168084217,
             0.5600020847759796,
             0.23004564978867345,
             0.09013427815099194,
             0.08188945184807807,
             0.2989915357819771,
             0.815256118349966,
             1.2935275842416891,
             1.6896459210425174
         ],
         "temperature_reduction_when_heating_is_off_2_weekday_living_room": [
             1.6691084621239978,
             1.549253232000747,
             1.2698436036675929,
             0.9148252168084217,
             0.5600020847759796,
             0.23004564978867345,
             0.09013427815099194,
             0.08188945184807807,
             0.2989915357819771,
             0.815256118349966,
             1.2935275842416891,
             1.6896459210425174
         ],
         "temperature_reduction_when_heating_is_off_1_weekend_living_room": [
             1.6691084621239978,
             1.549253232000747,
             1.2698436036675929,
             0.9148252168084217,
             0.5600020847759796,
             0.23004564978867345,
             0.09013427815099194,
             0.08188945184807807,
             0.2989915357819771,
             0.815256118349966,
             1.2935275842416891,
             1.6896459210425174
         ],
         "temperature_reduction_when_heating_is_off_2_weekend_living_room": [
             1.6691084621239978,
             1.549253232000747,
             1.2698436036675929,
             0.9148252168084217,
             0.5600020847759796,
             0.23004564978867345,
             0.09013427815099194,
             0.08188945184807807,
             0.2989915357819771,
             0.815256118349966,
             1.2935275842416891,
             1.6896459210425174
         ],
         "temperature_reduction_when_heating_is_off_1_weekday_rest_of_dwelling": [
             1.378330575740952,
             1.2597823591973238,
             0.9845052100232168,
             0.6423291173456148,
             0.31252364155432943,
             0.06024130316953887,
             0.004043531349765543,
             0.004106271351504554,
             0.10554862646346783,
             0.541442641692104,
             1.008765790188604,
             1.4015122492084897
         ],
         "temperature_reduction_when_heating_is_off_2_weekday_rest_of_dwelling": [
             1.378330575740952,
             1.2597823591973238,
             0.9845052100232168,
             0.6423291173456148,
             0.31252364155432943,
             0.06024130316953887,
             0.004043531349765543,
             0.004106271351504554,
             0.10554862646346783,
             0.541442641692104,
             1.008765790188604,
             1.4015122492084897
         ],
         "temperature_reduction_when_heating_is_off_1_weekend_rest_of_dwelling": [
             1.378330575740952,
             1.2597823591973238,
             0.9845052100232168,
             0.6423291173456148,
             0.31252364155432943,
             0.06024130316953887,
             0.004043531349765543,
             0.004106271351504554,
             0.10554862646346783,
             0.541442641692104,
             1.008765790188604,
             1.4015122492084897
         ],
         "temperature_reduction_when_heating_is_off_2_weekend_rest_of_dwelling": [
             1.378330575740952,
             1.2597823591973238,
             0.9845052100232168,
             0.6423291173456148,
             0.31252364155432943,
             0.06024130316953887,
             0.004043531349765543,
             0.004106271351504554,
             0.10554862646346783,
             0.541442641692104,
             1.008765790188604,
             1.4015122492084897
         ]
     },
     "heating_requirement_table_9c": {
         "T_weekday_living_room": [
             16.661783075752005,
             16.901493535998505,
             17.460312792664816,
             18.170349566383155,
             18.879995830448042,
             19.539908700422654,
             19.819731443698018,
             19.836221096303845,
             19.402016928436044,
             18.369487763300068,
             17.412944831516622,
             16.620708157914965
         ],
         "T_weekend_living_room": [
             16.661783075752005,
             16.901493535998505,
             17.460312792664816,
             18.170349566383155,
             18.879995830448042,
             19.539908700422654,
             19.819731443698018,
             19.836221096303845,
             19.402016928436044,
             18.369487763300068,
             17.412944831516622,
             16.620708157914965
         ],
         "mean_internal_temperature_living_room_T1_Table_9c": [
             16.661783075752005,
             16.901493535998505,
             17.460312792664816,
             18.170349566383155,
             18.879995830448042,
             19.539908700422654,
             19.81973144369802,
             19.83622109630384,
             19.402016928436044,
             18.369487763300068,
             17.412944831516622,
             16.620708157914965
         ],
         "T_weekday_rest_of_dwelling": [
             15.011357898684903,
             15.248454331772159,
             15.802067132460678,
             16.500761119194593,
             17.163047614137596,
             17.677659847956974,
             17.79240196936638,
             17.7922764893629,
             17.584632176731052,
             16.70520961386205,
             15.767887773508614,
             14.976849833091302
         ],
         "T_weekend_rest_of_dwelling": [
             15.011357898684903,
             15.248454331772159,
             15.802067132460678,
             16.500761119194593,
             17.163047614137596,
             17.677659847956974,
             17.79240196936638,
             17.7922764893629,
             17.584632176731052,
             16.70520961386205,
             15.767887773508614,
             14.976849833091302
         ],
         "mean_internal_temperature_rest_of_dwelling_T2_table_9c": [
             15.011357898684903,
             15.24845433177216,
             15.802067132460678,
             16.500761119194593,
             17.163047614137596,
             17.677659847956974,
             17.79240196936638,
             17.7922764893629,
             17.584632176731052,
             16.70520961386205,
             15.767887773508614,
             14.976849833091302
         ]
     },
     "mean_internal_temperature": {
         "living_area_fraction": 0.12698412698412698,
         "mean_internal_temp_whole_dwelling": [
             15.220935698947391,
             15.45836407199138,
             16.01263800994692,
             16.712772350583617,
             17.381072784462734,
             17.91413589271452,
             18.049840632773574,
             18.05182501087921,
             17.815411192820577,
             16.916546521727195,
             15.976783907858838,
             15.185593747354623
         ]
     },
     "utilisation_factor_for_heating_whole_house_table_9a": {
         "time_constant_whole_house": [
             24.690786155303304,
             24.690786155303304,
             24.741190544273064,
             24.97896542538086,
             25.02358624652486,
             25.19190241612353,
             25.23138446527864,
             25.23138446527864,
             25.151370741219782,
             25.02358624652486,
             24.97896542538086,
             24.886753833994458
         ],
         "a_whole_house": [
             2.646052410353554,
             2.646052410353554,
             2.6494127029515377,
             2.6652643616920573,
             2.6682390831016574,
             2.679460161074902,
             2.6820922976852426,
             2.6820922976852426,
             2.6767580494146523,
             2.6682390831016574,
             2.6652643616920573,
             2.659116922266297
         ],
         "heat_loss_rate_whole_house": [
             4078.8182308306937,
             3980.7513647259616,
             3508.3279451084923,
             2847.380365108968,
             2056.731291577679,
             1139.9505556569516,
             529.8935162922027,
             567.1671720993851,
             1398.9078598725332,
             2364.619227299804,
             3277.1069928752577,
             4070.6588070615326
         ],
         "y_whole_house": [
             0.2743212122638783,
             0.3219966682468566,
             0.4033941854101783,
             0.5409363494245725,
             0.7693731707585074,
             1.3891702258114667,
             2.850407791714455,
             2.966468147773947,
             1.1749895716717405,
             0.5250504537977673,
             0.33897434319961434,
             0.261434398953099
         ],
         "utilisation_factor_for_heating_whole_house": [
             0.9761079099113684,
             0.9656434303833015,
             0.9441263026325147,
             0.9002533073727103,
             0.8145321748485704,
             0.600728558381495,
             0.3368108736174081,
             0.3247811027290035,
             0.6670380534773137,
             0.9060274656261859,
             0.9623032505637008,
             0.9789958324108872
         ]
     },
     "space_heating_requirement": {
         "useful_gains": [
             1092.1733500913508,
             1237.7508146607272,
             1336.1644527521073,
             1386.6165431836682,
             1288.9107246331912,
             951.3049568842453,
             508.7233898946552,
             546.4387978972308,
             1096.4118806846304,
             1124.8733247018736,
             1068.9795607282836,
             1041.8573883663541
         ],
         "heat_loss_rate_for_mean_internal_temperature": [
             4078.8182308306937,
             3980.7513647259616,
             3508.3279451084923,
             2847.380365108968,
             2056.731291577679,
             1139.9505556569516,
             529.8935162922027,
             567.1671720993851,
             1398.9078598725332,
             2364.619227299804,
             3277.1069928752577,
             4070.6588070615326
         ],
         "space_heating_requirement_monthly": [
             2222.0637912700713,
             1843.2963696438374,
             1616.0896383131505,
             1051.749951786216,
             571.2585018066987,
             135.82483111634852,
             15.750574039775303,
             15.421910406402821,
             217.79710501529001,
             922.3709515328603,
             1589.8517511458213,
             2253.428255509213
         ],
         "space_heating_requirement_yearly": 12454.903631585687,
         "space_heating_requirement_yearly_per_m2": 98.84844152052132
     },
     "energy_requirements": {
         "fraction_of_space_heat_from_main_systems": 1,
         "fraction_of_total_space_heat_from_main_system_1": 1,
         "fraction_of_total_space_heat_from_main_system_2": 0,
         "space_heating_fuel_main_system_1": [
             2502.3240892680983,
             2075.7842000493665,
             1819.9207638661605,
             1184.403098858351,
             643.3091236561924,
             0,
             0,
             0,
             0,
             1038.7060265009688,
             1790.3735936326816,
             2537.644431879745
         ],
         "space_heating_fuel_main_system_2": [
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0
         ],
         "space_heating_fuel_secondary_system": [
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0,
             0.0
         ],
         "efficiency_of_water_heater_table_4a": [
             88.08818571043759,
             88.05280057451473,
             87.93357632302069,
             87.67687598232241,
             86.99272176591167,
             84.54075372718351,
             81.03583975422129,
             80.89937924581712,
             85.40059859744034,
             87.50076184715809,
             87.93010620821106,
             88.11775553227744
         ],
         "fuel_for_water_heating_monthly": [
             200.0006772521423,
             174.99216355941462,
             180.8210713685868,
             158.10574275929866,
             152.8993181267732,
             135.76720686734745,
             131.2496598080352,
             150.8649529054458,
             144.62013384962597,
             164.49556479453074,
             178.6830185647248,
             193.62497940327455
         ],
         "space_cooling_fuel_monthly": [
             0,
             0,
             0,
             0,
             0,
             0,
             0,
             0,
             0,
             0,
             0,
             0
         ],
         "space_heating_fuel_used_main_system_1": 13592.465327711565,
         "space_heating_fuel_used_main_system_2": 0.0,
         "space_heating_fuel_used_secondary": 0.0,
         "water_fuel_used": 1966.1244892592,
         "space_cooling_fuel_used": 0,
         "electricity_for_pumps_fans_electric_keep_hot": 0,
         "energy_saving_generation_technologies_total": 0,
         "appendix_Q_energy_total": 0,
         "energy_for_lighting": 1375.548784405473,
         "total_energy_used": 16934.13860137624
     },
     "fuel_costs": {
         "space_heating_main_system_1_fuel_cost": 473.01779340436246,
         "space_heating_main_system_2_fuel_cost": 0.0,
         "space_heating_secondary_fuel_cost": 0.0,
         "water_heating_high_rate_fuel_cost": 0.0,
         "water_heating_low_rate_fuel_cost": 68.42113222622015,
         "water_heating_cost_other": 0.0,
         "space_cooling_cost": 0.0,
         "pumps_fan_keep_hot_cost": 0.0,
         "lighting_cost": 181.4348846630819,
         "appendix_Q_fuel_cost": 0.0,
         "energy_saving_total_fuel_cost": 0.0,
         "additional_standing_charges_table_12": 0,
         "total_fuel_cost": 722.8738102936645
     },
     "SAP_rating": {
         "energy_cost_factor": 1.7754795340546146,
         "SAP_rating_value": 75.23206049993813
     },
     "CO2_emissions": {
         "space_heating_main_system_1_emissions": 2935.972510785698,
         "space_heating_main_system_2_emissions": 0.0,
         "space_heating_secondary_emissions": 0.0,
         "water_used_emissions": 424.68288967998717,
         "space_cooling_used_emissions": 0,
         "pumps_fans_electric_keep_hot_emissions": 0,
         "lighting_emissions": 713.9098191064405,
         "appendix_Q_used_emissions": [
             0
         ],
         "appendix_Q_saved_emissions": [
             0
         ],
         "energy_saving_generation_technologies_emissions": [
             0
         ],
         "space_and_water_heating_emissions": 3360.655400465685,
         "appendix_Q_total_used_emissions": 0,
         "appendix_Q_total_saved_emissions": 0,
         "energy_saving_generation_technologies_total_emissions": 0,
         "total_CO2_emissions_yearly": 4074.5652195721254,
         "dwelling_CO2_emission_rate": 32.337819202953376,
         "CF": 23.82786678112354,
         "EI_rating": 68.07065851329446
     }
 }

1. Overall dwelling dimensions

sap2012.SAP_worksheet.overall_dwelling_dimensions.overall_dwelling_dimensions(area, average_storey_height)

Calculates the overall dwelling dimensions, Section 1.

Parameters

• area (list (float)) – A list of the areas of each floor. The first item is the basement, the second the ground floor etc. See (1a) to (1n).

• average_storey_height (list (float)) – A list of the average storey height of each floor. The first item is the basement, the second the ground floor etc. See (2a) to (2n).

Returns

A dictionary with keys (volume,total_floor_area,dwelling_volume).

• volume (list (float)) - A list of the volumes of each floor. The first item is the basement, the second the ground floor etc. See (3a) to (3n).

• total_floor_area (float) - See (4).

• dwelling_volume (float) - See (5).

Return type

dict

2. Ventilation rates

sap2012.SAP_worksheet.ventilation_rates.ventilation_rates(number_of_chimneys_main_heating, number_of_chimneys_secondary_heating, number_of_chimneys_other, number_of_open_flues_main_heating, number_of_open_flues_secondary_heating, number_of_open_flues_other, number_of_intermittant_fans_total, number_of_passive_vents_total, number_of_flueless_gas_fires_total, dwelling_volume, air_permeability_value_q50, number_of_storeys_in_the_dwelling, structural_infiltration, suspended_wooden_ground_floor_infiltration, no_draft_lobby_infiltration, percentage_of_windows_and_doors_draught_proofed, number_of_sides_on_which_dwelling_is_sheltered, monthly_average_wind_speed, applicable_case, mechanical_ventilation_air_change_rate_through_system, exhaust_air_heat_pump_using_Appendix_N, mechanical_ventilation_throughput_factor, efficiency_allowing_for_in_use_factor)

Calculates the ventilation rates, Section 2.

Parameters

• number_of_chimneys_main_heating (int) –

• number_of_chimneys_secondary_heating (int) –

• number_of_chimneys_other (int) –

• number_of_open_flues_main_heating (int) –

• number_of_open_flues_secondary_heating (int) –

• number_of_open_flues_other (int) –

• number_of_intermittant_fans_total (int) –

• number_of_passive_vents_total (int) –

• number_of_flueless_gas_fires_total (int) –

• dwelling_volume (float) – See (5).

• air_permeability_value_q50 (float or None) – See (17). Use None if not carried out.

• number_of_storeys_in_the_dwelling (int) – See (9).

• structural_infiltration (float) – See (11).

• suspended_wooden_ground_floor_infiltration (float) – See (12).

• no_draft_lobby_infiltration (float) – See (13).

• percentage_of_windows_and_doors_draught_proofed (float) – See (14).

• number_of_sides_on_which_dwelling_is_sheltered (int) – See (19).

• monthly_average_wind_speed (list (float)) – A list of the monthly wind speeds. 12 items, from Jan to Dec, see (22).

• applicable_case (str) – One of the following options: ‘balanced mechanical ventilation with heat recovery’; ‘balanced mechanical ventilation without heat recovery’; ‘whole house extract ventilation or positive input ventilation from outside’; or ‘natural ventilation or whole house positive input ventilation from loft’.

• mechanical_ventilation_air_change_rate_through_system (float) – See (23a).

• exhaust_air_heat_pump_using_Appendix_N (bool) – True if exhaust air heat pump using Appendix N, otherwise False.

• mechanical_ventilation_throughput_factor (float) – F_mv, see Equation N4.

• efficiency_allowing_for_in_use_factor (float) – In %, see (23c).

Returns

A dictionary with keys of ( number_of_chimneys_total, number_of_chimneys_m3_per_hour, number_of_open_flues_total, number_of_open_flues_m3_per_hour, number_of_intermittant_fans_m3_per_hour, number_of_passive_vents_m3_per_hour, number_of_flueless_gas_fires_m3_per_hour, infiltration_due_to_chimnneys_flues_fans_PSVs, additional_infiltration, window_infiltration, infiltration_rate, infiltration_rate2, shelter_factor, infiltration_rate_incorporating_shelter_factor, wind_factor, adjusted_infiltration_rate_allowing_for_shelter_and_wind_speed, exhaust_air_heat_pump_air_change_rate_through_system, effective_air_change_rate )

• number_of_chimneys_total (int) -

• number_of_chimneys_m3_per_hour (float) - See (6a).

• number_of_open_flues_total (int) -

• number_of_open_flues_m3_per_hour (float) - See (6b).

• infiltration_due_to_chimenys_flues_fans_PSVs (float) - See (8).

• additional_infiltration (float) - See (10).

• window_infiltration (float) - See (15).

• infiltration_rate (float) - See (16).

• infiltration_rate2 (float) - See (18).

• shelter_factor (float) - See (20).

• infiltration_rate_incorporating_shelter_factor (float) - See (21).

• wind_factor list (float) - See (22a).

• adjusted_infiltration_rate_allowing_for_shelter_and_wind_speed: list (float) - See (22b).

• exhaust_air_heat_pump_air_change_rate_through_system (float) - See (23b).

• effective_air_change_rate list (float) - See (25).

Return type

dict

3. Heat losses and heat loss parameter

sap2012.SAP_worksheet.heat_losses_and_heat_loss_parameter.heat_losses_and_heat_loss_parameter(solid_door_net_area, solid_door_u_value, semi_glazed_door_net_area, semi_glazed_door_u_value, window_net_area, window_u_value, roof_window_net_area, roof_window_u_value, basement_floor_net_area, basement_floor_u_value, basement_floor_heat_capacity, ground_floor_net_area, ground_floor_u_value, ground_floor_heat_capacity, exposed_floor_net_area, exposed_floor_u_value, exposed_floor_heat_capacity, basement_wall_gross_area, basement_wall_opening, basement_wall_u_value, basement_wall_heat_capacity, external_wall_gross_area, external_wall_opening, external_wall_u_value, external_wall_heat_capacity, roof_gross_area, roof_opening, roof_u_value, roof_heat_capacity, party_wall_net_area, party_wall_u_value, party_wall_heat_capacity, party_floor_net_area, party_floor_heat_capacity, party_ceiling_net_area, party_ceiling_heat_capacity, internal_wall_net_area, internal_wall_heat_capacity, internal_floor_net_area, internal_floor_heat_capacity, internal_ceiling_net_area, internal_ceiling_heat_capacity, total_floor_area, thermal_bridges_appendix_k, effective_air_change_rate, dwelling_volume)

Calculates the heat losses and the heat loss parameter, Section 3.

Parameters

• solid_door_net_area (float) – See (26), in m2.

• solid_door_u_value (float or None) – See (26), in W/m2K.

• semi_glazed_door_net_area (float) – See (26a), in m2.

• semi_glazed_door_u_value (float or None) – See (26a), in W/m2K.

• window_net_area (float) – See (27), in m2.

• window_u_value (float or None) – See (27), in W/m2K. For windows and roof windows, use effective window U-value. Calculated using formula 1/[(1/U-value)+0.04] as given in paragraph 3.2.

• roof_window_net_area (float) – See (27a), in m2. For windows and roof windows, use effective window U-value. Calculated using formula 1/[(1/U-value)+0.04] as given in paragraph 3.2.

• roof_window_u_value (float or None) – See (27a), in W/m2K.

• basement_floor_net_area (float) – See (28), in m2.

• basement_floor_u_value (float or None) – See (28), in W/m2K.

• basement_floor_heat_capacity (float or None) – See (28), in kJ/m2K.

• ground_floor_net_area (float) – See (28a), in m2.

• ground_floor_u_value (float or None) – See (28a), in W/m2K.

• ground_floor_heat_capacity (float or None) – See (28a), in kJ/m2K.

• exposed_floor_net_area (float) – See (28b), in m2.

• exposed_floor_u_value (float or None) – See (28b), in W/m2K.

• exposed_floor_heat_capacity (float or None) – See (28b), in kJ/m2K.

• basement_wall_gross_area (float) – See (29), in m2.

• basement_wall_opening (float) – See (29), in m2.

• basement_wall_u_value (float or None) – See (29), in W/m2K.

• basement_wall_heat_capacity (float or None) – See (29), in kJ/m2K.

• external_wall_gross_area (float) – See (29a), in m2.

• external_wall_opening (float) – See (29a), in m2.

• external_wall_u_value (float or None) – See (29a), in W/m2K.

• external_wall_heat_capacity (float or None) – See (29a), in kJ/m2K.

• roof_gross_area (float) – See (30), in m2.

• roof_opening (float) – See (30), in m2.

• roof_u_value (float or None) – See (30), in W/m2K.

• roof_heat_capacity (float or None) – See (30), in kJ/m2K.

• party_wall_net_area (float) – See (32), in m2.

• party_wall_u_value (float or None) – See (32), in W/m2K.

• party_wall_heat_capacity (float or None) – See (32), in kJ/m2K.

• party_floor_net_area (float) – See (32a), in m2.

• party_floor_heat_capacity (float or None) – See (32a), in kJ/m2K.

• party_ceiling_net_area (float) – See (32b), in m2.

• party_ceiling_heat_capacity (float or None) – See (32b), in kJ/m2K.

• internal_wall_net_area (float) – See (32c), in m2.

• internal_wall_heat_capacity (float or None) – See (32c), in kJ/m2K.

• internal_floor_net_area (float) – See (32d), in m2.

• internal_floor_heat_capacity (float or None) – See (32d), in kJ/m2K.

• internal_ceiling_net_area (float) – See (32e), in m2.

• internal_ceiling_heat_capacity (float or None) – See (32e), in kJ/m2K.

• total_floor_area (float) – See (4).

• thermal_bridges_appendix_k (float or None) – in W/K. The transmission heat loss coefficient due to non-repeating thermal bridges as calculated using Appendix K. If None, then a simplified calculation is done in this module.

• effective_air_change_rate (list (of floats)) – See (25).

• dwelling_volume (float) – See (5), in m3.

Returns

A dictionary with keys of ( solid_floor_UA, semi_glazed_door_UA, window_UA, roof_window_UA, basement_floor_UA, basement_floor_Ak, ground_floor_UA, ground_floor_Ak, exposed_floor_UA, exposed_floor_Ak, basement_wall_net_area, basement_wall_UA, basement_wall_Ak, external_wall_net_area, external_wall_UA, external_wall_Ak, roof_net_area, roof_UA, roof_Ak, total_area_of_external_elements, party_wall_UA, party_wall_Ak, party_floor_Ak, party_ceiling_Ak, internal_wall_Ak, internal_floor_Ak, internal_ceiling_Ak, fabric_heat_loss, heat_capacity, thermal_mass_parameter, thermal_bridges, total_fabric_heat_loss, ventilation_heat_loss_calculated_monthly, heat_transfer_coefficient, average_heat_transfer_coefficient, heat_loss_parameter, average_heat_loss_parameter )

• solid_floor_UA (float): See (26), in W/K.

• semi_glazed_door_UA (float): See (26a), in W/K.

• window_UA (float): See (27), in W/K.

• roof_window_UA (float): See (27a), in W/K.

• basement_floor_UA (float): See (28), in W/K.

• basement_floor_Ak (float): See (28), in kJ/K.

• ground_floor_UA (float): See (28a), in W/K.

• ground_floor_Ak (float): See (28a), in kJ/K.

• exposed_floor_UA (float): See (28b), in W/K.

• exposed_floor_Ak (float): See (28b), in kJ/K.

• basement_wall_net_area (float): See (29), in m2.

• basement_wall_UA (float): See (29), in W/K.

• basement_wall_Ak (float): See (29), in kJ/K.

• external_wall_net_area (float): See (29a), in m2.

• external_wall_UA (float): See (29a), in W/K.

• external_wall_Ak (float): See (29a), in kJ/K.

• roof_net_area (float): See (30), in m2.

• roof_UA (float): See (30), in W/K.

• roof_Ak (float): See (30), in kJ/K.

• total_area_of_external_elements (float): See (31), in m2.

• party_wall_UA (float): See (32), in W/K.

• party_wall_Ak (float): See (32), in kJ/K.

• party_floor_Ak (float): See (32a), in kJ/K.

• party_ceiling_Ak (float): See (32b), in kJ/K.

• internal_wall_Ak (float): See (32c), in kJ/K.

• internal_floor_Ak (float): See (32d), in kJ/K.

• internal_ceiling_Ak (float): See (32e), in kJ/K.

• fabric_heat_loss (float): See (33), in W/K.

• heat_capacity (float): See (34), in kJ/K.

• thermal_mass_parameter (float): See (35), in kJ/m2K.

• thermal_bridges (float): See (36), in W/K.

• total_fabric_heat_loss (float): See (37), in W/K.

• ventilation_heat_loss_calculated_monthly (list (float): See (82), in W/K.

• heat_transfer_coefficient (list (float): See (39), in W/K.

• average_heat_transfer_coefficient (float): See (39), in W/K.

• heat_loss_parameter (list (float): See (40), in W/m2K.

• average_heat_loss_parameter (float): See (40), in W/m2K.

Return type

dict

4. Water heating requirement

sap2012.SAP_worksheet.water_heating_requirement.water_heating_requirement(assumed_occupancy, V_dm_table_1c, days_in_month, T_table_1d, water_storage_loss_manufacturer, temperature_factor_table_2b, storage_volume_litres, hot_water_storage_loss_table_2, volume_factor_table_2a, Vs_appendix_G3, solar_storage_WWHRS_factor, primary_circuit_loss_table_3, combi_loss_table_3, solar_DHW_input_appendix_G)

Calculates water heating requirement, Section 4.

Parameters

• assumed_occupancy (float) – See (42). Calculated using equation from (42). If TFA > 13.9, N = 1 + 1.76 * [1 - exp(-0.000349 * (TFA -13.9)2)] + 0.0013 * (TFA -13.9). if TFA =< 13.9, N = 1. Where TFA is the Total Floor Area.

• V_dm_table_1c (list (float)) – See Table 1c.

• days_in_month (list (int)) – List of the number of days in each month of the calendar year.

• T_table_1d (list (float)) – See Table 1d.

• storage_volume_litres (int) – See (47). Value is 0 if no tank in dwelling. If no tank or combi boiler enter ‘0’. If community heating enter ‘110’.

• water_storage_loss_manufacturer (float or None) – See (48). Value is None if unknown or no tank in dwelling.

• temperature_factor_table_2b (float) – See (49/53). Value is 0 if no tank in dwelling.

• hot_water_storage_loss_table_2 (float) – See (51). Value is 0 if no tank in dwelling.

• volume_factor_table_2a (float) – See (52). Value is 0 if no tank in dwelling.

• Vs_appendix_G3 (float or None) – See appendix G3. Only applies where solar storage is within dwelling.

• solar_storage_WWHRS_factor (int or None) – Applies to dwellings with solar storage.

• primary_circuit_loss_table_3 (float) – See (59). Values found in Table 3.

• combi_loss_table_3 (float) – See (61). Values found in Table 3.

• solar_DHW_input_appendix_G (float or None) – See Appendix G.

Returns

A dictionary with keys of ( annual_hot_water_usage_litres_per_day, hot_water_usage_in_litres_per_day_monthly, energy_content_of_water_used, distribution_loss, energy_lost_from_water_storage, water_storage_loss_monthly, total_heat_required_for_water_heating, output_from_water_heater_monthly, heat_gains_from_water_heating_monthly )

• annual_hot_water_usage_litres_per_day (float): (43) in L.

• hot_water_usage_in_litres_per_day_monthly (list (float)): (44) in L.

• energy_content_of_water_used (list (float)): (45) in kWh/month.

• distribution_loss (list (float)): (46) in kWh/month.

• energy_lost_from_water_storage (list (float)): (50/55) in kWh/month.

• water_storage_loss_monthly (list (float)): (56) in kWh/month.

• total_heat_required_for_water_heating (list (float)): (62) in kWh/month.

• output_from_water_heater_monthly (list (float)): (64) in kWh/month.

• heat_gains_from_water_heating_monthly (list (float)): (65) in kWh/month.

Return type

dict

5. Internal gains

sap2012.SAP_worksheet.internal_gains.internal_gains(metabolic_gains, lighting_gains, appliances_gains, cooking_gains, pumps_and_fans_gains, losses, water_heating_gains)

Calculates Internal Gains, Section 5.

Parameters

• metabolic_gains (list (float)) – Calculated using table 5. See (66), in W.

• lighting_gains (list (float)) – Calculated using table 5. See (67), in W.

• appliances_gains (list (float)) – Calculated using Table 5. See (68), in W.

• cooking_gains (list (float)) – Calculated using Table 5. See (69), in W.

• pumps_and_fans_gains (list (float)) – Calculated using Table 5a. See (70), in W.

• losses (list (float)) – Calculated using Table 5. See (71), in W.

• water_heating_gains (list (float)) – Calculated using Table 5. See (72), in W.

Returns

A dictionary with keys ( total_internal_gains )

• total_internal_gains (list (float)): Sum of all internal gains. See (73), in W.

Return type

dict

6. Solar gains

sap2012.SAP_worksheet.solar_gains.solar_gains(access_factor_table_6d_north, access_factor_table_6d_north_east, access_factor_table_6d_east, access_factor_table_6d_south_east, access_factor_table_6d_south, access_factor_table_6d_south_west, access_factor_table_6d_west, access_factor_table_6d_north_west, access_factor_table_6d_roof_windows, area_north, area_north_east, area_east, area_south_east, area_south, area_south_west, area_west, area_north_west, area_roof_windows, solar_flux_north, solar_flux_north_east, solar_flux_east, solar_flux_south_east, solar_flux_south, solar_flux_south_west, solar_flux_west, solar_flux_north_west, solar_flux_roof_windows, g_table_6b_north, g_table_6b_north_east, g_table_6b_east, g_table_6b_south_east, g_table_6b_south, g_table_6b_south_west, g_table_6b_west, g_table_6b_north_west, g_table_6b_roof_windows, FF_table_6b_north, FF_table_6b_north_east, FF_table_6b_east, FF_table_6b_south_east, FF_table_6b_south, FF_table_6b_south_west, FF_table_6b_west, FF_table_6b_north_west, FF_table_6b_roof_windows, total_internal_gains)

Calculates Solar Gains, Section 6.

Also includes U3 from appendix U to calculate solar gains. This calculation is found in tables/solar_gains_appendix_U.

Parameters

• access_factor_table_6d_north (float) – See (74).

• access_factor_table_6d_north_east (float) –

• access_factor_table_6d_east (float) –

• access_factor_table_6d_south_east (float) –

• access_factor_table_6d_south (float) –

• access_factor_table_6d_south_west (float) –

• access_factor_table_6d_west (float) –

• access_factor_table_6d_north_west (float) –

• access_factor_table_6d_roof_windows (float) –

• area_north (float) – See (74) in m.

• area_north_east (float) – See (75) in m.

• area_east (float) – See (76) in m.

• area_south_east (float) – See (77) in m.

• area_south (float) – See (78) in m.

• area_south_west (float) – See (79) in m.

• area_west (float) – See (80) in m.

• area_north_west (float) – See (81) in m.

• area_roof_windows (float) – See (82) in m.

• solar_flux_north (float) –

• solar_flux_north_east (float) –

• solar_flux_east (float) –

• solar_flux_south_east (float) –

• solar_flux_south (float) –

• solar_flux_south_west (float) –

• solar_flux_west (float) –

• solar_flux_north_west (float) –

• solar_flux_roof_windows (float) –

• g_table_6b_north (float) – See (74).

• g_table_6b_north_east (float) – See (75).

• g_table_6b_east (float) – See (76).

• g_table_6b_south_east (float) – See (77).

• g_table_6b_south (float) – See (78).

• g_table_6b_south_west (float) – See (79).

• g_table_6b_west (float) – See (80).

• g_table_6b_north_west (float) – See (81).

• g_table_6b_roof_windows (float) – See (82).

• FF_table_6b_north (float) – See (74).

• FF_table_6b_north_east (float) – See (75).

• FF_table_6b_east (float) – See (76).

• FF_table_6b_south_east (float) – See (77).

• FF_table_6b_south (float) – See (78).

• FF_table_6b_south_west (float) – See (79).

• FF_table_6b_west (float) – See (80).

• FF_table_6b_north_west (float) – See (81).

• FF_table_6b_roof_windows (float) – See (82).

Returns

A dictionary with keys of ( gains_north, gains_north_east, gains_east, gains_south_east, gains_south, gains_south_west, gains_west, gains_north_west, gains_roof_windows, solar_gains_watts, total_internal_and_solar_gains)

• gains_north (list (float)): See (74).

• gains_north_east (list (float)): See (75).

• gains_east (list (float)): See (76).

• gains_south_east (list (float)): See (77).

• gains_south (list (float)): See (78).

• gains_south_west (list (float)): See (79).

• gains_west (list (float)): See (80).

• gains_north_west (list (float)): See (81).

• gains_roof_windows (list (float)): See (82).

• solar_gains_watts (list (float)): See (83) in W.

• total_internal_and_solar_gains (list (float)): See (84) in W.

Return type

dict

7. Mean internal temperature

sap2012.SAP_worksheet.mean_internal_temperature.mean_internal_temperature(mean_internal_temperature_living_room_T1_Table_9c, mean_internal_temperature_rest_of_dwelling_T2_table_9c, living_room_area, total_floor_area, temperature_adjustment_table_4e)

Calculates Mean Internal Temperature, Section 7.

Parameters

• mean_internal_temperature_living_room_T1_Table_9c (list (float)) – See (87) in degC.

• mean_internal_temperature_rest_of_dwelling_T2_table_9c (list (float)) – See (90) in degC.

• living_room_area (float) – See (91) in m.

• total_floor_area (float) – in m.

• temperature_adjustment_table_4e (float) – See (93) in degC. Adjustments found in table 4a.

Returns

A dictionary with keys of ( living_area_fraction, mean_internal_temp_whole_dwelling )

• living_area_fraction (float):

• mean_internal_temp_whole_dwelling (float): See (92) in degC.

Return type

dict

8. Space heating requirement

sap2012.SAP_worksheet.space_heating_requirement.space_heating_requirement(utilisation_factor_for_heating_whole_house, total_internal_and_solar_gains, monthly_external_temperature_table_U1, mean_internal_temp_whole_dwelling, heat_transfer_coefficient, days_in_month, total_floor_area)

Calculates Space Heating Requirement, Section 8.

Parameters

• utilisation_factor_for_gains_table_9a (float) – See (94).

• total_gains_internal_and_solar (float) – See (84) in W.

• monthly_external_temperature_table_U1 (float) – See (96) in degC.

• mean_internal_temperature_whole_dwelling (float) – See (92) in degC.

• heat_transfer_coefficient (float) – See (39).

• days_in_month (float) –

• total_floor_area (float) – in m.

Returns

A dictionary with keys of ( useful_gains, heat_loss_rate_for_mean_internal_temperature, space_heating_requirement_monthly, space_heating_requirement_yearly, space_heating_requirement_yearly_per_m2 )

• useful_gains (float): See (95) in W.

• heat_loss_rate_for_mean_internal_temperature (float): See (97) in W.

• space_heating_requirement_monthly (float): See (98) in kWh/month.

• space_heating_requirement_yearly (float): See (98) in kWh.

• space_heating_requirement_yearly_per_m2 (float): See (99) in kWh/m2/yr.

Return type

dict

9. Energy requirements

sap2012.SAP_worksheet.energy_requirements.energy_requirements(fraction_of_space_heat_secondary_system, fraction_of_space_heat_from_main_system_2, efficiency_of_main_space_heating_system_1, efficiency_of_main_space_heating_system_2, efficiency_of_secondary_space_heating_system, cooling_system_energy_efficiency_ratio_table_10c, space_heating_requirement_monthly, output_from_water_heater_monthly, water_heater_type, efficiency_of_water_heater, efficiency_of_water_heater_adjustment_table_4c, space_cooling_requirement_monthly, electricity_demand_mechanical_ventilation_fans_table_4f, electricity_demand_warm_air_heating_systems_fans_table_4f, electricity_demand_central_heating_pump_or_water_pump_table_4f, electricity_demand_oil_boiler_pump_table_4f, electricity_demand_boiler_flue_fan_table_4f, electricity_demand_keep_hot_facility_gas_combi_boiler_table_4f, electricity_demand_pump_for_solar_water_heating_table_4f, electricity_demand_pump_for_storage_WWHRS_Table_G3, annual_lighting_demand, electricity_generated_by_PV_appendix_M, electricity_generated_by_wind_turbine_appendix_M, electricity_used_or_generated_by_micro_CHP_appendix_N, electricity_generated_by_hydro_electric_generator_appendix_M, appendix_Q_energy_saved, appendix_Q_energy_used)

Calculates Energy Requirements, Section 9a.

Parameters

• fraction_of_space_heat_secondary_system (float) – See (201).

• fraction_of_space_heat_from_main_system_2 (float) – See (202).

• efficiency_of_main_space_heating_system_1 (float) – See (206).

• efficiency_of_main_space_heating_system_2 (float) – See (207).

• efficiency_of_secondary_space_heating_system (float) – See (208).

• cooling_system_energy_efficiency_ratio_table_10c (list of floats) – See (209).

• space_heating_requirement_monthly (list of floats) – See (211).

• output_from_water_heater_monthly (list of floats) – See (216).

• efficiency_of_water_heater_table_4a (float) – See (216).

• space_cooling_requirement_monthly (list of floats) – See (219).

• electricity_demand_mechanical_ventilation_fans_table_4f (float) – See (230) in kWh/yr.

• electricity_demand_warm_air_heating_systems_fans_table_4f (float) – See (230) in kWh/yr.

• electricity_demand_central_heating_pump_or_water_pump_table_4f (float) – See (230) in kWh/yr.

• electricity_demand_oil_boiler_pump_table_4f (float) – See (230) in kWh/yr.

• electricity_demand_boiler_flue_fan_table_4f (float) – See (230) in kWh/yr.

• electricity_demand_keep_hot_facility_gas_combi_boiler_table_4f (float) – See (230) in kWh/yr.

• electricity_demand_pump_for_solar_water_heating_table_4f (float) – See (230) in kWh/yr.

• electricity_demand_pump_for_storage_WWHRS_Table_G3 (float) – See (230) in kWh/yr.

• electricity_for_lighting (float) – See (232) in kWh/yr.

• electricity_generated_by_PV_appendix_M (float) – See (233) in kWh/yr.

• electricity_generated_by_wind_turbine_appendix_M (float) – See (234) in kWh/yr.

• electricity_used_or_generated_by_micro_CHP_appendix_N (float) – See (235) in kWh/yr.

• electricity_generated_by_hydro_electric_generator,appendix_M (float) – See (235) in kWh/yr.

• appendix_Q_energy_saved (float) – See (236) in kWh/yr.

• appendix_Q_energy_used (float) – See (237) in kWh/yr.

Returns

A dictionary with keys of ( fraction_of_space_heat_from_main_systems, fraction_of_total_space_heat_from_main_system_1, fraction_of_total_space_heat_from_main_system_2, space_heating_fuel_main_system_1, space_heating_fuel_main_system_2, space_heating_fuel_secondary_system, efficiency_of_water_heater_table_4a, fuel_for_water_heating_monthly, space_cooling_fuel_monthly, space_heating_fuel_used_main_system_1, space_heating_fuel_used_main_system_2, space_heating_fuel_used_secondary, water_fuel_used, space_cooling_fuel_used, electricity_for_pumps_fans_electric_keep_hot, energy_saving_generation_technologies_total, appendix_Q_energy_total, energy_for_lighting, total_energy_used )

• fraction_of_space_heat_from_main_systems (float):

• fraction_of_total_space_heat_from_main_system_1 (float):

• fraction_of_total_space_heat_from_main_system_2 (float):

• space_heating_fuel_main_system_1 (list (float)): See (211) in kWh/month.

• space_heating_fuel_main_system_2 (list (float)): See (213) in kWh/month.

• space_heating_fuel_main_system_secondary_system (list (float)): See (214) in kWh/month.

• fuel_for_water_heating_monthly (list (float)): See (219) in kWh/month.

• space_cooling_fuel_monthly (list (float)): See (221) in kWh/month.

• space_heating_fuel_used_main_system_1 (float): See (211) in kWh/yr.

• space_heating_fuel_used_main_system_2 (float): See (213) in kWh/yr.

• space_heating_fuel_used_secondary (float): See (215) in kWh/yr.

• water_fuel_used (float): See (219) in kWh/yr.

• space_cooling_fuel_used (float): See (221) in kWh/yr.

• electricity_for_pumps_fans_electric_keep_hot (float): See (230) in kWh/yr.

• energy_saving_generation_technologies (float): See (230) in kWh/yr.

• appendix_Q_energy (float): See (237) in kWh/yr.

• total_energy_used (float): See (237) in kWh/yr.

Return type

dict

10. Fuel costs

sap2012.SAP_worksheet.fuel_costs.fuel_costs(space_heating_fuel_used_main_system_1, space_heating_fuel_used_main_system_2, space_heating_fuel_used_secondary, space_heating_fuel_price_main_system_1, space_heating_fuel_price_main_system_2, space_heating_fuel_price_secondary, water_heating_high_rate_fraction_table_13, water_heating_low_rate_fraction_table_13, high_rate_fuel_price, low_rate_fuel_price, water_fuel_used, water_heating_fuel_price_other, space_cooling_fuel_used, space_cooling_fuel_price, electricity_for_pumps_fans_electric_keep_hot, fuel_price_for_pumps_fans_electric_keep_hot, energy_for_lighting, fuel_price_for_lighting, additional_standing_charges_table_12, energy_saving_generation_technologies, energy_saving_generation_technologies_fuel_price, appendix_Q_energy_used, appendix_Q_energy_used_fuel_price, appendix_Q_energy_saved, appendix_Q_energy_saved_fuel_price)

Calculates Fuel Costs, Section 10.

Table 12 is used for fuel price factors.

Parameters

• space_heating_fuel_main_system_1 (float) – See (211) in kWh/year.

• space_heating_fuel_main_system_2 (float) – See (212) in kWh/year.

• space_heating_fuel_secondary (float) – See (213) in kWh/year.

• space_heating_fuel_price_main_system_1 (float) – See (240) in £/kWh.

• space_heating_fuel_price_main_system_2 (float) – See (241) in £/kWh.

• space_heating_fuel_price_secondary (float) – See (242) in £/kWh.

• water_heating_high_rate_fraction_table_13 (float) – See (243) in £/kWh.

• water_heating_low_rate_fraction_table_13 (float) – See (244) in £/kWh.

• high_rate_fuel_price (float) – See (245) in £/kWh.

• low_rate_fuel_price (float) – See (246) in £/kWh.

• water_fuel_used (float) – See (219) in kWh/year.

• water_heating_fuel_price_other (float) – See (247) in £/kWh.

• space_cooling_fuel_used (float) – See (248) in kWh/year.

• space_cooling_fuel_price (float) – See (248) in £/kWh.

• electricity_for_pumps_fans_electric_keep_hot (float) – See (249) in kWh/year.

• fuel_price_for_pumps_fans_electric_keep_hot (float) – See (249) in £/kWh.

• energy_for_lighting (float) – See (231) in kWh/year.

• fuel_price_for_lighting (float) – See (250) in £/kWh.

• additional_standing_charges_table_12 (float) – See (251) in £/kWh.

• energy_saving_generation_technologies (float) – See (252) in kWh/year.

• energy_saving_generation_technologies_fuel_price (float) – See (252) in £/kWh.

• appendix_Q_energy_used (float) – See (253) in kWh/year.

• appendix_Q_energy_used_fuel_price (float) – See (253) in £/kWh.

• appendix_Q_energy_saved (float) – See (254) in kWh/year.

• appendix_Q_energy_saved_fuel_price (float) – See (254) in £/kWh.

Returns

A dictionary with keys of ( space_heating_main_system_1_fuel_cost, space_heating_main_system_2_fuel_cost, space_heating_secondary_fuel_cost, water_heating_high_rate_fuel_cost, water_heating_low_rate_fuel_cost, water_heating_cost_other, space_cooling_cost, pumps_fan_keep_hot_cost, lighting_cost, appendix_Q_fuel_cost, energy_saving_total_fuel_cost, additional_standing_charges_table_12, total_fuel_cost )

• space_heating_main_system_1_fuel_cost (float): See (240) in £/year.

• space_heating_main_system_2_fuel_cost (float): See (241) in £/year.

• space_heating_secondary_fuel_cost (float): See (242) in £/year.

• water_heating_high_rate_fuel_cost (float): See (245) in £/year.

• water_heating_low_rate_fuel_cost (float): See (246) in £/year.

• water_heating_cost_other (float): See (247) in £/year.

• space_cooling_cost (float): See (248) in £/year.

• pumps_fan_keep_hot_cost (float): See (249) in £/year.

• lighting_cost (float): See (250) in £/year.

• appendix_Q_used_fuel_cost (float): See (253) in £/year.

• appendix_Q_saved_fuel_cost (float): See (254) in £/year.

• energy_saving_generation_technologies_fuel_cost (float): See (252) in £/year.

• appendix_Q_fuel_cost (float): in £/year.

• energy_saving_total_fuel_cost (float): in £/year.

• total_fuel_cost (float): See (255) in £/year.

Return type

dict

11. SAP rating

sap2012.SAP_worksheet.SAP_rating.SAP_rating(energy_cost_deflator, total_fuel_cost, total_floor_area)

Calculates SAP rating, Section 11.

Parameters

• energy_cost_deflator (float) – See (256). Found in Table 12.

• total_energy_cost (float) – See (255) in £.

• total_floor_area (float) – in m2.

Returns

A dictionary with keys of ( energy_cost_factor, SAP_rating_value )

• energy_cost_factor (float): See (257)

• SAP_rating_value (float): See (258)

Return type

dict

12. CO2 emissions

sap2012.SAP_worksheet.CO2_emissions.CO2_emissions(space_heating_fuel_used_main_system_1, space_heating_fuel_used_main_system_2, space_heating_fuel_used_secondary, space_heating_fuel_emission_factor_main_system_1, space_heating_fuel_emission_factor_main_system_2, space_heating_fuel_emission_factor_secondary, water_fuel_used, water_heating_fuel_emission_factor, space_cooling_fuel_used, space_cooling_fuel_emission_factor, electricity_for_pumps_fans_electric_keep_hot, fuel_emission_factor_for_pumps_fans_electric_keep_hot, energy_for_lighting, fuel_emission_factor_for_lighting, energy_saving_generation_technologies, energy_saving_generation_technologies_fuel_emission_factor, appendix_Q_energy_used, appendix_Q_energy_used_fuel_emission_factor, appendix_Q_energy_saved, appendix_Q_energy_saved_fuel_emission_factor, total_floor_area)

Calculates CO2 emissions, Section 12.

Table 12 is used for fuel emission factors.

Parameters

• space_heating_fuel_main_system_1 (float) – See (211) in kWh/year.

• space_heating_fuel_main_system_2 (float) – See (212) in kWh/year.

• space_heating_fuel_secondary (float) – See (213) in kWh/year.

• space_heating_fuel_emission_factor_main_system_1 (float) – See (261) in kg CO2/kWh.

• space_heating_fuel_emission_factor_main_system_2 (float) – See (262) in kg CO2/kWh.

• space_heating_fuel_emission_factor_secondary (float) – See (263) in kg CO2/kWh.

• water_fuel_used (float) – in kWh/year.

• water_heating_fuel_emission_factor (float) – See (264) in kg CO2/kWh.

• space_cooling_fuel_used (float) – in kWh/year.

• space_cooling_fuel_emission_factor (float) – See (266) in kg CO2/kWh.

• electricity_for_pumps_fans_electric_keep_hot (float) – in kWh/year.

• fuel_emission_factor_for_pumps_fans_electric_keep_hot (float) – See (267) in kg CO2/kWh.

• energy_for_lighting (float) – in kWh/year.

• fuel_emission_factor_for_lighting (float) – See (268) in kg CO2/kWh.

• space_cooling_fuel_used – in kWh/year.

• energy_saving_generation_technologies (float) – in kWh/year.

• energy_saving_generation_technologies_fuel_emission_factor (float) – See (269) in kg CO2/kWh.

• appendix_Q_energy_used (float) – in kWh/year.

• appendix_Q_energy_used_fuel_emission_factor (float) – See (270) in kg CO2/kWh.

• appendix_Q_energy_saved (float) – in kWh/year.

• appendix_Q_energy_saved_fuel_emission_factor (float) – See (271) in kg CO2/kWh.

• total_floor_area (float) – in m2.

Returns

A dictionary with keys of ( space_heating_main_system_1_emissions, space_heating_main_system_2_emissions, space_heating_secondary_emissions, water_used_emissions, space_cooling_used_emissions, pumps_fans_electric_keep_hot_emissions, lighting_emissions, appendix_Q_used_emissions, appendix_Q_saved_emissions, energy_saving_generation_technologies_emissions, space_and_water_heating_emissions, appendix_Q_total_used_emissions, appendix_Q_total_saved_emissions, energy_saving_generation_technologies_total_emissions, total_CO2_emissions_yearly, dwelling_CO2_emission_rate, CF, EI_rating )

• space_heating_main_system_1_emissions (float): See (261) in kg CO2/yr.

• space_heating_main_system_2_emissions (float): See (262) in kg CO2/yr.

• space_heating_secondary_emissions (float): See (263) in kg CO2/yr.

• water_used_emissions (float): See (264) in kg CO2/yr.

• space_cooling_used_emissions (float): See (266) in kg CO2/yr.

• pumps_fans_electric_keep_hot_emissions (float): See (267) in kg CO2/yr.

• lighting_emissions (float): See (268) in kg CO2/yr.

• appendix_Q_used_emissions (float): See (270) in kg CO2/yr.

• appendix_Q_saved_emissions (float): See (271) in kg CO2/yr.

• energy_saving_generation_technologies_emissions (float): See (269) in kg CO2/yr.

• space_and_water_heating_emissions (float): See (265) in kg CO2/yr.

• appendix_Q_total_used_emissions (float): in kg CO2/yr.

• appendix_Q_total_saved_emissions (float): in kg CO2/yr.

• energy_saving_generation_technologies_total_emissions (float): in kg CO2/yr.

• total_CO2_emissions_yearly (float): See (272) in kg CO2/yr.

• dwelling_CO2_emission_rate (float): See (273) in kg CO2/m2/yr.

• CF (float):

• EI_rating (float): See (274).

Return type

dict

internal_gains_appendix_L function

sap2012.SAP_appendices.internal_gains_appendix_L.internal_gains_appendix_L(total_floor_area, assumed_occupancy, number_of_low_energy_light_bulbs, total_number_of_light_bulbs, frame_factor, window_area, light_access_factor_table_6d, light_transmittance_factor_table_6d, month_number, days_in_month, heat_gains_from_water_heating_monthly)

Internal gain calculations as given in Appendix L.

Parameters

• total_floor_area (float) – See (4).

• assumed_occupancy (float) – See (42). Calculated using equation from (42). If TFA > 13.9, N = 1 + 1.76 * [1 - exp(-0.000349 * (TFA -13.9)2)] + 0.0013 * (TFA -13.9). if TFA =< 13.9, N = 1. Where TFA is the Total Floor Area.

• number_of_low_energy_light_bulbs (int) –

• total_number_of_light_bulbs (int) –

• frame_factor (float) –

• window_area (float) –

• light_access_factor_table_6d (float) –

• light_transmittance_factor_table_6d (float) –

• month_number (list(int)) –

• days_in_month (float(int)) – List of the number of days in each month of the calendar year.

• heat_gains_from_water_heating_monthly (list(float)) –

  65. in kWh/month.

Returns

A dictionary with keys of ( G_L, C_1, C_2, E_B, initial_annual_lighting_demand, monthly_lighting_demand, annual_lighting_demand, lighting_gains, initial_annual_electrical_appliance_demand, monthly_electrical_appliance_demand, annual_electrical_appliance_demand, appliances_gains, cooking_gains, losses, water_heating_gains, metabolic_gains )

• G_L (float)-

• C_1 (float)-

• C_2 (float)-

• E_B (float)-

• initial_annual_lighting_demand (float)-

• monthly_lighting_demand (list (float))-

• annual_lighting_demand (float)-

• lighting_gains (list (float))-

• initial_annual_electrical_appliance_demand (float)-

• monthly_electrical_appliance_demand (list (float))-

• annual_electrical_appliance_demand (float)-

• appliances_gains (list (float))-

• cooking_gains (list (float))-

• losses (list (float))-

• water_heating_gains (list (float))-

• metabolic_gains (list (float))-

Return type

dict

solar_gains_appendix_U3 function

sap2012.SAP_appendices.solar_gains_appendix_U3.solar_gains_appendix_U3(solar_radiation_horizontal_plane_monthly_table_U3, solar_declination_monthly_table_U3, location_latitude_table_U4, p_tilt)

Solar gains calculations as given in Appendix U3.

Parameters

• solar_radiation_horizontal_plane_monthly_table_U3 (list(float)) –

• solar_declination_monthly_table_U3 (list(float)) –

• location_latitude_table_U4 (float) –

• p_tilt (float) –

Returns

A dictionary with keys of ( solar_flux_north, solar_flux_north_east, solar_flux_east, solar_flux_south_east, solar_flux_south, solar_flux_south_west, solar_flux_west, solar_flux_north_west )

• solar_flux_north (list (float)) -

• solar_flux_north_east (list (float)) -

• solar_flux_east (list (float)) -

• solar_flux_south_east (list (float)) -

• solar_flux_south (list (float)) -

• solar_flux_south_west (list (float)) -

• solar_flux_west (list (float)) -

• solar_flux_north_west (list (float)) -

Return type

dict

utilisation_factor_for_heating_table_9a function

sap2012.SAP_tables.utilisation_factor_for_heating_table_9a.utilisation_factor_for_heating_table_9a(heat_transfer_coefficient, total_internal_and_solar_gains, temperature_during_heating_living_room, heating_controls, monthly_external_temperature_table_U1, thermal_mass_parameter, heat_loss_parameter)

Utilisation factor calculations for heating from Table 9a.

Parameters

• heat_transfer_coefficient (list(float)) – See (39), in W/K.

• total_internal_and_solar_gains (list(float)) – See (84) in W.

• temperature_during_heating_living_room (float) –

• heating_controls (int) –

• monthly_external_temperature_table_U1 (list(float)) –

• thermal_mass_parameter (float) – See (35), in kJ/m2K.

• heat_loss_parameter (list(float)) – See (40), in W/m2K.

Returns

A dictionary with keys of ( time_constant, a, heat_loss_rate_living_room, y_living_room, utilisation_factor_for_heating_living_room, temperature_during_heating_rest_of_dwelling, heat_loss_rate_rest_of_dwelling, y_rest_of_dwelling, utilisation_factor_for_heating_rest_of_dwelling )

• time_constant (list (float)) -

• a (list (float)) -

• heat_loss_rate_living_room (list (float)) -

• y_living_room (list (float)) -

• utilisation_factor_for_heating_living_room (list (float)) -

• temperature_during_heating_rest_of_dwelling (list (float)) -

• heat_loss_rate_rest_of_dwelling (list (float)) -

• y_rest_of_dwelling (list (float)) -

• utilisation_factor_for_heating_rest_of_dwelling (list (float)) -

Return type

dict

utilisation_factor_for_heating_whole_house_table_9a function

sap2012.SAP_tables.utilisation_factor_for_heating_whole_house_table_9a.utilisation_factor_for_heating_whole_house_table_9a(heat_transfer_coefficient, total_internal_and_solar_gains, mean_internal_temp_whole_dwelling, monthly_external_temperature_table_U1, thermal_mass_parameter, heat_loss_parameter)

Utilisation factor calculations for heating from Table 9a.

Parameters

• heat_transfer_coefficient (list(float)) – See (39), in W/K.

• total_internal_and_solar_gains (list(float)) – See (84) in W.

• mean_internal_temp_whole_dwelling (float) – See (92) in degC.

• monthly_external_temperature_table_U1 (list(float)) –

• thermal_mass_parameter (float) – See (35), in kJ/m2K.

• heat_loss_parameter (list(float)) – See (40), in W/m2K.

Returns

A dictionary with keys of ( time_constant_whole_house, a_whole_house, heat_loss_rate_whole_house, y_whole_house, utilisation_factor_for_heating_whole_house )

• time_constant_whole_house (list (float)) -

• a_whole_house (list (float)) -

• heat_loss_rate_whole_house (list (float)) -

• y_whole_house (list (float)) -

• utilisation_factor_for_heating_whole_house (list (float)) -

Return type

dict

temperature_reduction_when_heating_is_off_table_9b function

sap2012.SAP_tables.temperature_reduction_when_heating_is_off_table_9b.temperature_reduction_when_heating_is_off_table_9b(time_constant, hours_heating_is_off_1_weekday_living_room, hours_heating_is_off_2_weekday_living_room, hours_heating_is_off_1_weekend_living_room, hours_heating_is_off_2_weekend_living_room, hours_heating_is_off_1_weekday_rest_of_dwelling, hours_heating_is_off_2_weekday_rest_of_dwelling, hours_heating_is_off_1_weekend_rest_of_dwelling, hours_heating_is_off_2_weekend_rest_of_dwelling, temperature_during_heating_living_room, temperature_during_heating_rest_of_dwelling, responsiveness_of_heating_system, monthly_external_temperature_table_U1, utilisation_factor_for_heating_living_room, utilisation_factor_for_heating_rest_of_dwelling, heat_transfer_coefficient, total_internal_and_solar_gains)

Calculates temperature reduction as given in Table 9b.

Parameters

• time_constant (list(float)) –

• hours_heating_is_off_1_weekday_living_room (float) –

• hours_heating_is_off_2_weekday_living_room (float) –

• hours_heating_is_off_1_weekend_living_room (float) –

• hours_heating_is_off_2_weekend_living_room (float) –

• hours_heating_is_off_1_weekday_rest_of_dwelling (float) –

• hours_heating_is_off_2_weekday_rest_of_dwelling (float) –

• hours_heating_is_off_1_weekend_rest_of_dwelling (float) –

• hours_heating_is_off_2_weekend_rest_of_dwelling (float) –

• temperature_during_heating_living_room (float) –

• temperature_during_heating_rest_of_dwelling (list(float)) –

• responsiveness_of_heating_system (float) –

• monthly_external_temperature_table_U1 (list(float)) –

• utilisation_factor_for_heating_living_room (list(float)) –

• utilisation_factor_for_heating_rest_of_dwelling (list(float)) –

• heat_transfer_coefficient (list(float)) – See (39), in W/K.

• total_internal_and_solar_gains (list(float)) – See (84) in W.

Returns

A dictionary with keys ( t_c, internal_temperature_without_heating_living_room, internal_temperature_without_heating_rest_of_dwelling, temperature_reduction_when_heating_is_off_1_weekday_living_room, temperature_reduction_when_heating_is_off_2_weekday_living_room, temperature_reduction_when_heating_is_off_1_weekend_living_room, temperature_reduction_when_heating_is_off_2_weekend_living_room, temperature_reduction_when_heating_is_off_1_weekday_rest_of_dwelling, temperature_reduction_when_heating_is_off_2_weekday_rest_of_dwelling, temperature_reduction_when_heating_is_off_1_weekend_rest_of_dwelling, temperature_reduction_when_heating_is_off_2_weekend_rest_of_dwelling )

• t_c (list (float)) -

• internal_temperature_without_heating_living_room (list (float)) -

• internal_temperature_without_heating_rest_of_dwelling (list (float)) -

• temperature_reduction_when_heating_is_off_1_weekday_living_room (list (float)) -

• temperature_reduction_when_heating_is_off_2_weekday_living_room (list (float)) -

• temperature_reduction_when_heating_is_off_1_weekend_living_room (list (float)) -

• temperature_reduction_when_heating_is_off_2_weekend_living_room (list (float)) -

• temperature_reduction_when_heating_is_off_1_weekday_rest_of_dwelling (list (float)) -

• temperature_reduction_when_heating_is_off_2_weekday_rest_of_dwelling (list (float)) -

• temperature_reduction_when_heating_is_off_1_weekend_rest_of_dwelling (list (float)) -

• temperature_reduction_when_heating_is_off_2_weekend_rest_of_dwelling (list (float)) -

Return type

dict

heating_requirement_table_9c function

sap2012.SAP_tables.heating_requirement_table_9c.heating_requirement_table_9c(temperature_reduction_when_heating_is_off_1_weekday_living_room, temperature_reduction_when_heating_is_off_2_weekday_living_room, temperature_reduction_when_heating_is_off_1_weekend_living_room, temperature_reduction_when_heating_is_off_2_weekend_living_room, temperature_reduction_when_heating_is_off_1_weekday_rest_of_dwelling, temperature_reduction_when_heating_is_off_2_weekday_rest_of_dwelling, temperature_reduction_when_heating_is_off_1_weekend_rest_of_dwelling, temperature_reduction_when_heating_is_off_2_weekend_rest_of_dwelling, temperature_during_heating_living_room, temperature_during_heating_rest_of_dwelling, temperature_adjustment_table_4e)

Calculates the heating requirement as given in Table 9c.

Parameters

• temperature_reduction_when_heating_is_off_1_weekday_living_room (list(float)) –

• temperature_reduction_when_heating_is_off_2_weekday_living_room (list(float)) –

• temperature_reduction_when_heating_is_off_1_weekend_living_room (list(float)) –

• temperature_reduction_when_heating_is_off_2_weekend_living_room (list(float)) –

• temperature_reduction_when_heating_is_off_1_weekday_rest_of_dwelling (list(float)) –

• temperature_reduction_when_heating_is_off_2_weekday_rest_of_dwelling (list(float)) –

• temperature_reduction_when_heating_is_off_1_weekend_rest_of_dwelling (list(float)) –

• temperature_reduction_when_heating_is_off_2_weekend_rest_of_dwelling (list(float)) –

• temperature_during_heating_living_room (float) –

• temperature_during_heating_rest_of_dwelling (list(float)) –

• temperature_adjustment_table_4e (float) –

Returns

A dictionary with keys ( T_weekday_living_room, T_weekend_living_room, mean_internal_temperature_living_room_T1_Table_9c, T_weekday_rest_of_dwelling, T_weekend_rest_of_dwelling, mean_internal_temperature_rest_of_dwelling_T2_table_9c )

• T_weekday_living_room (list (float)) -

• T_weekend_living_room (list (float)) -

• mean_internal_temperature_living_room_T1_Table_9c (list (float)) -

• T_weekday_rest_of_dwelling (list (float)) -

• T_weekend_rest_of_dwelling (list (float)) -

• mean_internal_temperature_rest_of_dwelling_T2_table_9c (list (float)) -

Return type

dict

Indices and tables

• Index

• Module Index

• Search Page