Item 863694 model tob12sbr.
Attic ventilation turbine vents.
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.
Intake vents located at the lowest part of the roof under the eaves allow cool.
A ridge vent runs across the top of the roof s peak.
Two types of attic ventilation vents compared turbine vents roof with turbine attic vent.
Rough opening width in.
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A turbine has a series of vanes that spin as wind passes through them.
They may not work as well in areas that don t get enough wind but they are easier to install.
Price high to low.
Roofing attic ventilation.
Only a small section of roof needs to be removed to put in the vent and then it gets sealed with flashing and sealant.
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.
Flat roof vents have no moving parts to break or squeak but don t vent as much air as wind driven vents.
Price low to high.
Unlike turbines this venting style does not have any moving parts.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.