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Glossary 2016-11-22T18:37:11+00:00

Air Conditioning:

Control of the temperature, humidity, air movement, and cleaning of air, in a confined space.

Backdraft Damper:

A damper with blades actuated by gravity, spring loading or counter balancing, permitting air to pass through them in one direction only.


British Thermal Unit. Measures the amount of heat required to raise or lower the temperature of one pound of water one degree Fahrenheit.

Carbon Monoxide:

Colorless, odorless and poisonous gas(CO) produced when carbon or carbonaceous fuels are burned with too little air.


Cubic Feet per Minute. A measurement of airflow volume.


A fluid formed when a gas is cooled to its liquid state


A device that removes humidity, or moisture, from the air.

Drain Pan:

Also a condensate pan. As the refrigerant vapor is liquefied, the drain pan collects the condensate and funnels it to the drain line.


Heating, Ventilation and Air Conditioning.


Heating, Ventilation and Air Conditioning.


PolyVinyl Chloride. A coating added to galvanized metal that gives it added resistance to chemicals and moisture.

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