The backflow damper prevents the ingress of cold or warm air and wind from entering through the ventilation duct. The 4 inch Backdraft damper is made out of a Galvanized steel, the flap leaves are ...

Q. This week: I had my kitchen remodeled recently and purchased a new downdraft range, vented to the exterior. This winter I feel a cold draft when the stove is not in use. There is cold air coming ...

LOUISVILLE, KY--(Marketwired - May 19, 2015) - When Keith O'Loane, an experienced Dryer Vent Wizard (DVW) franchise owner and technician, receives service calls in the spring about customers' dryers ...