HVAC

Term	Term Definition	Options	Unit of Measure
Geothermal Loop	The type of loop field used in a geothermal system (e.g., heat pump)	View	None
Heat Pump Backup AFUE	Annual Fuel Utilization Efficiency of backup system for heat pump	View	None
Heat Pump Backup Heating Switchover Temperature	Minimum outside temperature at which the heat pump can operate	View	F
Heat Pump Backup System Fuel	Backup fuel used by the heat pump	View	None
Heat Pump Sink Source Type	Sink source of the heat pump	View	None
Heat Recovery Type	Type of heat recovery between two systems.	View	None
Heating Delivery Type	Method for delivering and or distributing heat to the building or Space Function. May be multiple delivery methods for each plant.	View	None
Heating Medium	Medium used to transport heat from a central heating system to individual zones.	View	None
Heating Source	Source of heating	View	None
Heating Stage Capacity Fraction	Average capacity of each heating stage, at ARI rated conditions, expressed as a fraction of total capacity	View	None
Heating Staging	The method of heating staging used by the unit. Select ÒSingle StageÓ for units with single stage (on/off) control. Select ÒMultiple, Discrete StagesÓ for units with multiple discrete stages (low-fire / high-fire). Select ÒModulatingÓ for units which contain modulating burners.	View	None
Heating Type	Source of heat. Heating delivery is recorded in a separate data field. Use of fans or blowers by themselves without heated air or water is not included in this definition of heating.	View	None
Hot Water Distribution Type		View	None
Humidification Type	Humidification type in air-distribution system.	View	None
HVAC Category	Category of equpment related to heating, ventilation, and air conditioning (HVAC).	View	None
HVAC Component	Type of heating ventilating and air-conditioning equipment component.	View	None
Ignition Type	Ignition mechanism in gas heating equipment. Either pilot light or an intermittent ignition device (IID)	View	None
Input Capacity	The energy consumption of the heating plant at full load.	View	MMBtu
Installed Flow Rate	Actual flow rate under normal operating conditions	View	cfm
Maximum Fan Power	Fan power at maximum flow rate (full load)	View	W
Maximum Flow Rate	Highest flow rate	View	cfm
Minimum Flow Rate	Lowest flow rate	View	cfm
Minimum Part Load Ratio	The minimum part load ratio at which the equipment is able to operate (0-1).	View	None
Motor Application		View	None
Motor Location Relative To Air Stream	Location of the fan motor relative to the air stream.	View	None

HVAC

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