HVAC Terminology
a
- A-Coil
- Absolute Humidity
- AC
- AC or DC
- ACCA
- Accumulator
- Acoustical
- AFUE
- AGA
- AHRI
- Air Balance
- Air Changes Per Hour
- Air Cleaner
- Air Conditioner
- Air Filtration System
- Air Flow Volume
- Air Handler
- Airside Economizer
- Ambient Temperature
- ARI
- ASHRAE
b
- Backdrafting
- Bioaerosols
- Blower
- Boiler
- Brazing
- British Thermal Unit
- British Thermal Units per Hour
- BTU
- BTUH
- Burner
- Burner Orifice
- Burner (sealed combustion)
- Bypass Damper
c
- CADR
- Capacitor
- Capacity
- Capillary Tube System
- Carbon Monoxide
- CAV
- Celsius
- Central Air-Conditioning
- Certified Matched System
- CFM
- Charge
- Charging Hose
- Check Valve
- Chiller
- Clean Air Delivery Rate
- Coil
- Compressor
- Condensate
- Condensate Pump
- Condenser
- Condenser Coil
- Condenser Fan
- Condensing Unit
- Constant Air Volume
- Contactor
- Controller
- Crankcase heater
- CSA
- Cubic Feet Per Minute (CFM)
d
- Damper
- DB (Decibels)
- DC
- Decibel (dB)
- Defrost
- Degree-day
- Dehumidifier
- Delta T
- Department Of Energy (DOE)
- Desuperheater
- Diffuser
- DOE
- Downflow furnace
- Drain Line
- Drain pan
- Drier
- Dry bulb temperature
- Dry bulb thermometer
- Dry-Charged Unit
- Dual Compressors
- Dual-Fuel
- Ducts
- Ductwork
- DX
e
- ECM (Electronically Commutated Motor)
- Ecologic
- Economizer Cycle
- EER
- Electronic Air Cleaner
- Electronic Air Cleaner (EAC)
- Energy Efficiency Ratio (EER)
- Energy Recovery Ventilator (ERV)
- ENERGY STAR®
- Environmental Protection Agency (EPA)
- Evaporative Cooler
- Evaporator
- Evaporator Coil

