2,400+ Definitions
HVAC GLOSSARY
Every HVAC term, acronym, and industry phrase — defined in plain English.
Economizer
An economizer is a control system that uses outdoor air…
EER
EER (Energy Efficiency Ratio) measures an air conditioner or heat…
ENERGY STAR
ENERGY STAR is a certification program run by the U.S.…
EPA 608 Certification
EPA Section 608 Certification is the federal certification required by…
ERV (Energy Recovery Ventilator)
An Energy Recovery Ventilator (ERV) provides controlled fresh air ventilation…
Evaporator Coil
The evaporator coil is the indoor heat exchange component of…