Greenheck’s QEID direct drive mixed flow fan is available in a roof-mounted exhaust or upblast configuration to discharge clean air or fume exhaust up and away from a building. The upblast’s mixed flow wheel offers higher efficiency operation than a belt drive fan and requires less maintenance by eliminating belts, pulleys and fan-shaft bearings.
A factory-programmed VFD enables easy adjustment and control. A fully welded heavy-gauge curb cap eliminates leaks and allows for quick mounting to a roof curb. Butterfly dampers provide backflow protection and prevent rain penetration. The windband protects the dampers from debris and keeps the blades closed when not in operation.
Residential and Light Commercial HVAC Business of Johnson Controls
