Wind Turbine Vs Attic Fan

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

Wind turbine vs attic fan.

A turbine has a series of vanes that spin as wind passes through them. Attic fans w curb mount flange aura attic fan cmf. The wind spins the turbine which is linked to a fan blade that pulls hot air up and out the same vented turbine. No additional source of power is needed and turbines are available in a wide variety of sizes and styles.

The issue with turbines roof turbines are a cheaper alternative to attic ventilation. 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. These work best in association with other vent types to maximize the air intake from another type of vent to replace the stagnant and heated air. Oh and the solar attic fan is much quieter than the neighbors turbines and electric attic fans.

The soffit vents let in the cooler air and the turbine vents let out the heated air. Round back attic fan. The wind rotates the fan blade causing air movement in the attic as air is pulled out through the. Turbine fans have angled slits cut into a capped cylinder which create a continuous fan blade.

Turbine vents do indeed look like small wind turbines installed on your roof. Features compared side by side. Seems installing those along with leaving the passive roof wind vents and adding blown in insulation either fiberglass or cellulose should make a world of difference and should be done. Wind driven roof vents will pull more air from the attic but only when the wind is blowing.

Unlike turbines this venting style does not have any moving parts. They can perform like an active roof vent when the wind is blowing or there is an excellent static pressure in your attic but most of the hot months in texas do not promote the spinning and performance of a roof turbine. It is costing you to run the attic fans. Roof mounted wind turbine vents versus aura gravity ventilators.

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. Company info roof exhaust vents. Mon jun 14 2010 2 28 am. Assume the house to be fitted with three turbine vents on the roof and 30 soffit vents 4 centers both eaves.