Attic Fans Vs Turbines

A ridge vent runs across the top of the roof s peak.

Attic fans vs turbines. Pros power vents are generally roof or gable mounted and are also known as pav s power attic vents. Wind driven roof vents will pull more air from the attic but only when the wind is blowing. Roof turbines are a cheaper alternative to attic ventilation. Best ventilation is open soffit venting to a open vented ridge vent.

Combining an attic power vent fan with a ridge vent is usually not recommended because. It could reverse the natural flow of hot air out the ridge vent. A turbine has a series of vanes that spin as wind passes through them. More than 50 of the attic fans i see do not work and have current still live to the motor.

Roof vents and power roof vents are made to work in conjunction with vented soffits so that outside air will replace superheated attic air during hot summer days. Read about roof vents and why fan or turbine vents are not as efficient as ridge vents. Flat roof vent 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. 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.

If air is drawn in through the ridge vent while it s raining it might pull rainwater in with it which could lead to leaking or mold in the attic. These types of vents contain motors that drive large fans in order to remove the moisture and hot air from your attic. Find out why fan vents don t work and how a ridge and soffit vent system is better for your roof and attic. Turbine fans have angled slits cut into a capped cylinder which create a continuous fan blade.

The wind rotates the fan blade causing air movement in the attic as air is pulled out through the. Do not use mechanical means electric attic fans. One of the leading causes for fires. Unlike turbines this venting style does not have any moving parts.