2,400+ Definitions
HVAC GLOSSARY
Every HVAC term, acronym, and industry phrase — defined in plain English.
Virtual Islanding
Virtual islanding is a control strategy that allows a grid-connected…
Virtual Net Metering
Virtual net metering allows customers to receive bill credits for…
Virtual Power Plant
A virtual power plant is a network of distributed energy…
Visible Transmittance
The fraction of visible light in the solar spectrum that…
VOC
Volatile organic compounds (VOCs) are carbon-containing chemicals that evaporate at…
VOC Monitor
A VOC monitor detects volatile organic compounds in indoor air,…
Volatile Organic Compound
Volatile Organic Compounds (VOCs) are carbon-containing chemicals that evaporate at…
Volatile Organic Compound Offgassing
The release of gaseous chemicals from solid or liquid materials…
Volatile Organic Compound Sources
Volatile Organic Compound (VOC) Sources are materials and products that…
Volt
A volt (V) is the unit of electrical potential difference…
Volume Damper
A volume damper is a manually or electronically adjustable valve…
VRF System
VRF (Variable Refrigerant Flow) is a sophisticated HVAC technology used…