Glossary of Applied Air HVAC Terminology

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
BacNet
BacNet is a communication protocol developed under the auspices of ASHRAE that allows open communications between pieces of HVAC equipment on a building.  BacNet is not restricted to any particular manufacturer or line of equipment.
Balancing
Process of adjusting the flow of air in duct systems, or water flow in hot-water heating systems.
Barometer
An instrument for measuring atmospheric pressure.
Blower
An enclosed air-moving device which redirects the airflow by 90 degrees towards one or more exit points.
BTU (British Thermal Unit)
Quantity of heat required to raise the temperature of one pound of water one degree Fahrenheit.
Burner
A device used to prepare and burn fuel.