HERS® Diagnostic Output Schema Specification

Data Model

Enumerations

SchemaType

Enumerator	Description	Notes
`HERS_DIAGNOSTIC_OUTPUT`	HERS Diagnostic Output

FuelType

Enumerator	Description	Notes
`ELECTRICITY`	Electricity
`NATURAL_GAS`	Natural gas
`FUEL_OIL_2`	Fuel oil #2
`LIQUID_PETROLEUM_GAS`	Liquid petroleum gas
`BIOMASS`	Biomass

Data Groups

HERSDiagnosticOutput

Name	Description	Data Type	Units	Constraints	Req	Notes
`metadata`	ASHRAE Standard 232P metadata	`{Metadata}`		`schema=HERS_DIAGNOSTIC_OUTPUT`	$✓$
`project_name`	Name of the file or project used to generate this data	`String`			$✓$
`home_description`	Supplementary descriptive information about the home	`String`
`software_name`	Name of the software used to generate this data	`String`			$✓$
`software_version`	Version of the software used to generate this data	`String`			$✓$
`weather_data_location`	Descriptive name of the weather data location	`String`			$✓$	For example: City, town, or airport name.
`weather_data_state`	State	`String`		`"[A-Z]{2}"`	$✓$
`conditioned_floor_area`	Conditioned floor area	`Numeric`	ft^2^	`>0`	$✓$
`number_of_bedrooms`	Number of bedrooms	`Integer`		`≥1`	$✓$
`number_of_stories`	Number of above-grade stories	`Integer`		`≥1`	$✓$
`hers_index`	HERS Index	`Numeric`	-		$✓$	Unrounded value based on the latest version of MINHERS®
`carbon_index`	RESNET® Carbon Index	`Numeric`	-		$✓$	Unrounded value based on the latest version of MINHERS®
`electricity_co2_emissions_factors`	Regional emissions factors for electricity use	`[Numeric][8760]`	lb/kWh	`≥0`	$✓$
`outdoor_drybulb_temperature`	Outdoor drybulb temperature	`[Numeric]`	F	`[8760]`	$✓$
`on_site_power_production`	On-site power production (OPP) of the rated home	`[Numeric][8760]`	kWh	`≥0`
`battery_storage_losses`	Battery storage losses (BSL) of the rated home	`[Numeric][8760]`	kWh	`≥0`
`rated_home_output`	Rated Home outputs	`{HomeOutputs}`			$✓$
`hers_reference_home_output`	HERS Reference Home outputs	`{HomeOutputs}`			$✓$
`co2_reference_home_output`	CO2 Reference Home outputs	`{HomeOutputs}`			$✓$
`iad_rated_home_output`	Index Adjustment Design (IAD) Rated Home outputs	`{HomeOutputs}`			$✓$
`iad_hers_reference_home_output`	Index Adjustment Design (IAD) HERS Reference Home outputs	`{HomeOutputs}`			$✓$

EnergyOutput

Name	Description	Data Type	Units	Constraints	Req	Notes
`fuel_type`	Fuel type	`<FuelType>`			$✓$
`energy`	Energy use	`[Numeric][8760]`	kBtu	`≥0`	$✓$

SystemOutput

Name	Description	Data Type	Units	Constraints	Req	Notes
`primary_fuel_type`	System primary fuel type (needed to determine 'a' and 'b' coefficients for normalized energy consumption)	`<FuelType>`			$✓$
`equipment_efficiency_coefficient`	Equipment efficiency coefficient (EEC)	`Numeric`	-	`≥0`	$✓$
`load`	System load	`[Numeric][8760]`	kBtu	`≥0`		Only required for systems of the HERS Reference Home
`energy_use`	System energy use	`[{EnergyOutput}][1..]`			$✓$

HomeOutputs

Name	Description	Data Type	Units	Req
`conditioned_space_temperature`	Conditioned space temperature	`[Numeric][8760]`	F	$✓$
`space_heating_system_output`	Array of outputs for space heating systems	`[{SystemOutput}][1..]`		$✓$
`space_cooling_system_output`	Array of outputs for space cooling systems	`[{SystemOutput}][1..]`		$✓$
`water_heating_system_output`	Array of outputs for water heating systems	`[{SystemOutput}][1..]`		$✓$
`lighting_and_appliance_energy`	Lighting and appliance energy use	`[{EnergyOutput}][1..]`		$✓$
`ventilation_energy`	Ventilation energy use	`[{EnergyOutput}][1..]`		$✓$
`dehumidification_energy`	Dehumidification energy use	`[{EnergyOutput}][1..]`