Where local codes permit, the bathroom exhaust fan can eliminate the need for a ceiling radiation damper.

This factory-mounted and wired variable-speed control is used for three-phase motors up to 10 horsepower. 

The DFD, FD, and FSD Series dampers can be specified for use in UL floor/ceiling design I503, which is a two-hour fire-rated floor/ceiling assembly made from steel studs and gypsum board. 

Model HBS-430 and HBS-431 blast dampers are designed to protect against blasts and any instantaneous pressure changes. 

The Grease Trapper Pollution Control Unit removes grease, smoke, and odors from kitchen exhaust. It uses a three-stage mechanical filter arrangement to remove grease and smoke particles from the exhaust air at an economical first cost. 

The Model ECV energy recovery ventilator (ERV) utilizes a total energy core to provide preconditioned, fresh outdoor air for commercial and institutional applications ranging 500-1,000 cfm. 

Greenheck’s variable geometry nozzle is sustainable, saves energy, and ensures laboratory exhaust fumes are safely discharged away from the roof deck at a constant velocity. 

The eCAPS® fan application suite is an online fan selection program designed specifically for HVAC engineers.