HVAC

Term	Term Definition	Options	Unit of Measure
Cooling Medium	Medium used to transport cooling energy from a central cooling system to individual zones.	View	None
Cooling Stage Capacity	Average capacity of each cooling stage, at ARI rated conditions, expressed as a fraction of total capacity	View	None
Cooling Type	Source of cooling. Cooling delivery is recorded in a separate data field. Use of fans or blowers by themselves without chilled air or water is not included in this definition of cooling. Stand-alone dehumidifiers are also not included.	View	None
Dehumidification Type	Dehumidification type in air-distribution system.	View	None
Design Static Pressure	The design static pressure for the fan	View	Pa
Draft Type	Draft mechanism used for drawing air through a boiler, furnace, or water heater.	View	None
Duct Configuration	Configuration of ducts.	View	None
Duct Insulation R Value	R-value of duct insulation.	View	hr-ft2-F/Btu
Duct Leakage Test Method	Method used to estimate duct leakage	View	None
Duct Pressure Test Leakage Percentage	Duct leakage found from pressure test. Reported as a percentage. [%]	View	percent
Duct Pressure Test Leakage Rate	Duct leakage found from pressure test. Reported in cubic feet per minute.	View	cfm
Duct Sealing	Condition of duct sealing.	View	None
Duct Surface Area	Total surface area of ducts associated with this air distribution system.	View	ft2
Duct Type	Type of duct material.	View	None
Equipment Redundancy	Redundancy availability or formal redundancy level for specified equipment	View	None
Evaporative Cooling Type	Defines the type of evaporative cooler operation	View	None
Evaporative Wet Bulb Effectiveness	The ratio of the difference between inlet and outlet air temperature to the difference between inlet air temperature and its wet bulb temperature	View	None
Evaporatively Cooled Condenser	Availability of evaporative cooling to enhance heat rejection from the condenser coils.	View	None
Fan Application	Application of fan (supply, return, or exhaust)	View	None
Fan Control Type	Type of fan control	View	None
Fan Placement	Placement of fan relative to the air stream.	View	None
Fan Power Minimum Ratio	The minimum power draw of the fan, expressed as a ratio of the full load fan power.	View	None
Fan Size	Maximum air flow produced by the fan.	View	cfm
Fan Type	Method of generating air flow	View	None
Flow Control Type	Type of air flow control.	View	None

HVAC

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