The Air Handler Unit is the core of the modular fan system. It is designed to deliver flow outside make up air for installations needing constant air exchanges. Units are designed for indoor or outdoor applications and are available in upright or level discharge arrangements.

Packages are available in sizes up to 22,000 CFM, and external static pressures up to 4″ W.G. Units have big doors on both sides to provide ample access to all interior components. Units consist of a covered enclosure with a blower and engine. Belt drive units also add pulleys and belt(s). The blower module has a standard level inlet that provides an outside air inlet hood with a standard 2″ filter and screen.

Combination packages that include exhaust and supply fans mounted on a single roof curb are also available.