Roof Air Vent Turbine

Much like a window this round vent is powered by the wind.

Roof air vent turbine.

While a turbine looks a little complex at first glance it s actually very simple. Air vent airhawk 12 in aluminum externally braced roof turbine vent. Whirlybirds a type of roof vent that provides a valuable service no homeowner should overlook. Allows cool dry air to enter the attic.

A turbine vent is a passive ventilation device. All things being equal wind driven turbine vents also known as a whirlybird roof vent do move more air than flat vents but only when the wind blows. Air vent s wind turbines are available in both internally and externally braced styles. The popular ridge and soffit ventilation systems and the traditional metal pot vents are also passive ventilation systems.

Flat roof vents have no moving parts to break or squeak but don t vent as much air as wind driven vents. Brown aluminum internally braced wind turbine model tib12sbr 50 00 50 00. Item 863694 model tob12sbr. Item 863694 model tob12sbr.

Those are turbines a k a. Set your store to see local availability. Air vent 12 in. Here s what to know.

A small 12 inch diameter turbine vent with a constant wind speed of 5 miles per hour mph can remove 347 cubic feet of air per minute cfm from the attic space. As soon as it starts to spin it vacuums air out of your attic. Air vent airhawk 12 in aluminum externally braced roof turbine vent. Choose one of the following products to meet the recommended exhaust nfva of 528 square inches.

Patented delrin bearings assure long lasting quiet operation with no metal parts to squeak. A single 14 inch diameter turbine vent that is subjected to 15 mph winds can expel up to 1 342 cfm of air. Large flashing allows for easy installation. Two piece base fits roof pitches from 3 12 up to 12 12.

Ventsure 4 foot strip heat moisture ridge vent. Wind driven roof vents will pull more air from the attic but only when the wind is blowing.