Turbine Roof Vents How They Work

Intake vents located at the lowest part of the roof under.

Turbine roof vents how they work.

It houses a circular fan that s very sensitive to breezes. The same steps can be used when doing a whirlybird roof turbine vents. 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. Because warm air rises up the wind powered vents with their spinning action tend to suck the air outside.

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. Wind driven roof vents will pull more air from the attic but only when the wind is blowing. A turbine is installed directly on the top of a roof and uses wind power to suck hot and humid air out of the attic.

Find roof turbine vents at lowe s today. How do turbine roof vents work. A single 14 inch diameter turbine vent that is subjected to 15 mph winds can expel up to 1 342 cfm of air. While a turbine looks a little complex at first glance it s actually very simple.

A turbine vents spins with the slightest breeze. A turbine vent is a passive ventilation device. 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.

Unlike turbines this venting style does not have any moving parts. When the wind blows the right way it turns the fan which in turn draws up air from the attic and disperses it. Whirlybird roof turbine vents are as easy to install as turtle vents and are one of the most popular ways remove hot air out of the attic space. Cool air in hot air out attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

A turbine has a series of vanes that spin as wind passes through them. A ridge vent runs across the top of the roof s peak. Dependable construction has made a video on how to replace a turtle vent on a roof.