Withair® VAV unit system combines the practicality and costeffectiveness of constant volume unitary systems, like packaged rooftop units and split systems, with dampers and a central control panel. This allows independent temperature control. 

Withair® offers the most complete range of variable air-volume (VAV) unit systems in the industry. VAV systems are one of the most energy efficient HVACR solutions. 

Meeting customer’s various needs, presenting attractive appearance and realizing convenient installation.