As the wind moves across your rooftop it turns these turbines and draws air up out of your attic area.
No turbines on roof.
But the fact is neither of those conditions are likely to occur on a rooftop.
No additional source of power is needed and turbines are available in a wide variety of sizes and styles.
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.
It s a measure of how much power the turbine will generate at the highest wind speed that the turbine can tolerate.
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Turbine vents do indeed look like small wind turbines installed on your roof.
In addition pay attention to the maximum roof pitch that will work with the turbines.
Examine the turbine from the exterior from the roof.
Aluminum no rust.
These will not rust.
If you decide to add more turbine vents to your roof be sure to buy ones that are aluminum.
First the rated power of a turbine is a best case scenario.
The turbines are adjustable so that the spinning part is level even though the roof is slanted.