Turbine movement creates the same type of draft as electrically powered devices.
Electric attic fan or turbine.
Read about roof vents and why fan or turbine vents are not as efficient as ridge vents.
A turbine has a series of vanes that spin as wind passes through them.
The sun does that.
Solar powered fans have photovoltaic cells that capture energy from the sun and use it to drive the fan.
Full length ridge vent in combination with soffit vents is best.
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.
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The whirly bird or turbine vents are worse than useless.
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.
A solar fan is able to actively pull more air into your attic than a turbine can.
It is a con to make people think the spinning action is like running a fan and mechanically drawing hot air out.
Find out why fan vents don t work and how a ridge and soffit vent system is better for your roof and attic.
Roof vents vs whirly birds.
Interesting i take it you now don t have turbines just the attic fans.
You would probably benefit more with the wind driven turbines than the attic fans.
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.
Turbine fans have angled slits cut into a capped cylinder which create a continuous fan blade.
One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home.
Unlike turbines this venting style does not have any moving parts.
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A ridge vent runs across the top of the roof s peak.
They make noise too.
Solar fans don t require any electricity wind or attic pressure to spin.
Master flow 1250 cfm black galvanized steel electric powered attic fan with adjustable thermostat.