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Variable air volume

Variable air volume (VAV) is a type of heating, ventilating, and/or air-conditioning (HVAC) system. Unlike constant air volume (CAV) systems, which supply a constant airflow at a variable temperature, VAV systems vary the airflow at a constant or varying temperature. The advantages of VAV systems over constant-volume systems include more precise…

Technology, Applications & Measurement

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Reheat applications - Controls and energy issues

Reheat systems
1 related topics

Box technology

Supply air ductAir-handling unitVariable-speed drivesFans
4 related topics

Multiple-zone systems

Air handlerDamperActuatorPneumatic
4 related topics

Overview

HVACConstant air volume
2 related topics

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Overview

Box technology

Multiple-zone systems

Reheat applications - Controls and energy issues

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Variable air volume

Nodes16
Edges15
Triples0
Avg. degree1.88
Density0.125
Components1

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Important terminology

vav air temperature box control airflow space systems maximum heating system flow cooling reheat energy fan minimum setpoint supply single

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