2,400+ Definitions
HVAC GLOSSARY
Every HVAC term, acronym, and industry phrase — defined in plain English.
Isentropic Efficiency
Isentropic efficiency is a thermodynamic performance metric that compares the…
Island Mode
Island mode occurs when a grid-tied solar system continues operating…
ISO Class
ISO Class is a designation from the ISO 14644-1 standard…
Isolated System
An isolated system permits no exchange of energy or mass…
Isolation Room
An isolation room is a specialized hospital space with negative…
Isothermal Process
An isothermal process is a thermodynamic process in which the…
ITC
ITC stands for Investment Tax Credit, a federal incentive allowing…