2,400+ Definitions
HVAC GLOSSARY
Every HVAC term, acronym, and industry phrase — defined in plain English.
Window Air Conditioner
A window air conditioner is a self-contained cooling system designed…
Window Film
Window film is a thin polyester or PET-based coating applied…
Window Sensor HVAC
A window sensor HVAC device detects whether windows are open…
Window U Factor
Window U Factor measures the rate of heat transfer through…
Winter Design Temperature
Winter design temperature is the minimum outdoor air temperature expected…
Wire Gauge
Wire gauge measures the diameter and cross-sectional area of electrical…
Wire Mesh Screen
A wire mesh screen is a woven or welded grid…
Wireless Sensor
A wireless sensor is a battery-powered or hardwired temperature and…
Wiring Diagram
A wiring diagram is a visual schematic showing electrical connections,…
Work of Compression
Work of compression is the energy input required by the…