2,400+ Definitions

HVAC GLOSSARY

Every HVAC term, acronym, and industry phrase — defined in plain English.

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Jet Fan
Jet fans are axial fans mounted in tunnel ceilings that…
Joule Thomson Effect
The Joule-Thomson Effect describes the temperature change that occurs when…
Journeyman Technician
A journeyman technician is a skilled HVAC professional who has…