Air Performance Service Inc. designs, manufactures and installs Backdraft Damper Doors. Our design allows the doors to withstand the high differential pressures which are common with these systems. Backdraft Dampers are beneficial to help eliminate costly system shutdowns and they allow the building to operate on fewer fans during times when air demands are the lowest.
 
The dampers are fabricated to mount on the discharge diffuser of the fans. These dampers can be custom fabricated to meet nonstandard applications.
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