Make up air dampers for Range hoods.

BROAN® Directwire Make-Up Air Damper

We install vented Range Hoods 

Providing make-up air for exhaust devices is easy, controlling it is not – until now.

In homes with combustion appliances like a furnace, kitchen range hoods that exhaust more than 400 cu. ft. of air per minute require makeup air so they don't depressurize the home and draw combustion gases from the appliance into the living space.