Glossary of Heating, Ventilation and Air Conditioning Terms

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Adequate Exposure Diversity (AED)

A calculation of the total glass load to see if any hourly total exceeds the 12 hr average by more than 20 or 30%


AFUE

Annual Fuel Utilization Efficiency. AFUE is a rating that reflects how efficiently a gas furnace converts fuel to energy. An AFUE of 90 means that approximately 90 percent of the fuel is utilized to provide warmth to your home, while the remaining 10 percent escapes as exhaust.


Air Balancing

Adjusting an air conditioning system so that the right amount of air is delivered to the right places in your home in order to achieve the proper heating and cooling effect.

 


Air Cleaner

A device that removes allergens, pollutants and other undesirable particles from air that is heated or cooled.


Air Conditioner

Equipment htat conditions air by cleaning, cooling,heating, humidifying or dehumidifying it. A term often applied to comfort cooling equipment.


Air Filter

A device for removing particulate material from the air stream. The higher the MERV rating the better the filter.


Air Handler
The portion of your air conditioner or heating system that forces air through your home's ductwork.
ARI

Air Conditioning and Refrigeration Institute, a non-profit, voluntary organization composed of heating, air conditioning and refrigeration manufacturers. ARI publishes standards for testing and rating heat pumps and air conditioners.

 


Aspiration

Using a partial vacuum to draw up gas. Air that is discharged at a high velocity from our outlets creates a vacuum, and the air is then pulled into this vacuum creating a blend of conditioned air.


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