Flowmaster AFC Butterfly Damper Series

The AFC in the Condor roof ventilator is used to control the air flow from the building, and address any detrimental and erratic internal temperature values as may occur.

Sealing off the area allows the roof void to be used as a heat bank during cooler months, allowing the heat to be channelled down into the rooms below during the day offsetting heating costs of the evening particularly in residential buildings.