Variable Air Volume System

Variable Air Volume System is an established form of airside distribution, widely used in large centralized systems. This system is normally installed in applications whereby air conditioning is supplied to a large occupied zone with multiple interior zones requiring individual temperature controls. The variation in volume of air supplied to the individual zones depends on the room temperature requirements, detected by the zone thermostats. Coupled with frequency inverters, the Air Handling Units will be used to supply air to the entire occupied zone, with VAV boxes directly controlling the volume of air to be supplied to the various occupied zones.