Turbine type vents may be electrically powered or they may turn as the wind blows.
Attic fan vs wind turbine.
Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof.
Attic must have 5 sq.
My experience with the attic fan usually 1500 cfms is that they don t stay ahead of the heat production during full sun and only help in late afternoon.
Turbine fans have no power other than wind so when the.
These can be ridge vents wind turbines or the flat vents your roofer wants to install.
Use an electric motor to create a draft that pulls air out through the fan.
The wind rotates the fan blade causing air movement in the attic as air is pulled out through the turbine and replaced with outside air.
A solar fan doesn t rely on the wind and it actually has a more powerful motor in it so it keeps the temperature of your attic regulated regardless of wind conditions.
The sun does that.
Good attic ventilation is important for preventing ice dams in the winter.
A ridge vent runs across the top of the roof s peak.
A solar fan is able to actively pull more air into your attic than a turbine can.
You would probably benefit more with the wind driven turbines than the attic fans.
Solar fans don t require any electricity wind or attic pressure to spin.
It is costing you to run the attic fans.