Choose one of the following products to meet the recommended exhaust nfva of 528 square inches.
Roof air vent turbine.
Wind turbine attic vent turbine roof vent built in thermostat roof turbines black roof turbines roof toppers roof t tops.
Ventsure 4 foot strip heat moisture ridge vent.
Allows cool dry air to enter the attic.
Flat roof vents have no moving parts to break or squeak but don t vent as much air as wind driven vents.
While a turbine looks a little complex at first glance it s actually very simple.
A turbine vents spins with the slightest breeze.
Air vent airhawk 12 in aluminum externally braced roof turbine vent.
Much like a window this round vent is powered by the wind.
The popular ridge and soffit ventilation systems and the traditional metal pot vents are also passive ventilation systems.
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 airhawk 12 in aluminum externally braced roof turbine vent.
Brown aluminum internally braced wind turbine model tib12sbr 50 00 50 00.
Item 863694 model tob12sbr.
As soon as it starts to spin it vacuums air out of your attic.
Wind driven roof vents will pull more air from the attic but only when the wind is blowing.
Air vent 12 in.
Two piece base fits roof pitches from 3 12 up to 12 12.
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.
Those are turbines a k a.
A single 14 inch diameter turbine vent that is subjected to 15 mph winds can expel up to 1 342 cfm of air.
The following product options will allow you to achieve an intake nfva of 528 square inches.
Patented delrin bearings assure long lasting quiet operation with no metal parts to squeak.
Whirlybirds a type of roof vent that provides a valuable service no homeowner should overlook.
Set your store to see local availability.
A turbine vent is a passive ventilation device.