| CFM: |
Cubic feet per minute - the measure of air
flow. |
| BTU: |
British Thermal Unit - which is the quantity
of heat required to raise the temperature of 1 pound of water 1 degree
Fahrenheit. |
| HVAC: |
Heating, Ventilation and Air Conditioning |
| SMACNA: |
Sheet Metal and Air Conditioning Contractors'
National Association |
| BOCA: |
Building Officials and Code Administrators
International, Inc. |
| ICC: |
International Code Council |
| NFPA: |
National Fire protection Association |
| NHRAW: |
NorthAmerican Heating, Refrigeration and Air Conditioning
Wholesalers Association |
| ASHRAE |
American Society of Heating, Refrigerating and Air
Conditioning Engineers, Inc. |
| NAHB: |
National Association of Home Builders |
| Ductboard: |
A type of Fiberglass board used in
construction duct. |
| Flexible Duct: |
A type of air duct that is constructed from a flexible core
that is typically wrapped with a thin layer of fiberglass insulation. |
| Static
Pressure: |
|
| Velocity
Pressure: |
|
| Galvanizing: |
It is a nickel/zinc coating applied to sheet metal to retard
the oxidation process. (commonly known as rusting) |
| Air Flow
Characteristics: |
Different temperature air has predictable characteristics:
Warmer air always rises and cooler air always falls. |
| Condensor: |
A heat exchanger designed to liquefy refrigerant vapor by
removal of heat. This is typically the unit that sits outside your house. |
| A-Coil: |
A device that is used by the Condensor for heat removal.
This typically sits on top of your furnace. |
| Humidity: |
Is the amount of water suspended in the air. |
| Hot Water Heat: |
A method of using hot water to provide heat
for an area, typically by heating water with an appliance called a boiler
and then distributing the heat by pumping the hot water through radiators
that pull the heat from the water and then radiate that heat into an area. |
| Air Handler: |
A blower or fan used for the purpose of
distributing supply air to a room, space or area. |
| Heat Exchanger: |
A device that transfers heat from one medium to another. |
