2,400+ Definitions
HVAC GLOSSARY
Every HVAC term, acronym, and industry phrase — defined in plain English.
R-410A
R-410A is a hydrofluorocarbon (HFC) refrigerant that became the standard…
R-454B
R-454B (brand name Opteon XL41, manufactured by Chemours) is the…
Refrigerant
Refrigerant is the working fluid in an HVAC or refrigeration…
Refrigerant Charge
Refrigerant charge refers to the specific amount of refrigerant in…
Refrigerant Leak Detection
Refrigerant leak detection is the process of locating refrigerant leaks…
Refrigerant Recovery
Refrigerant recovery is the mandatory process of removing refrigerant from…
Refrigeration Cycle
The refrigeration cycle is the thermodynamic process by which HVAC…