Attic Fans Vs Turbines

More than 50 of the attic fans i see do not work and have current still live to the motor.

Attic fans vs turbines.

Unlike turbines this venting style does not have any moving parts. A turbine has a series of vanes that spin as wind passes through them. Do not use mechanical means electric 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.

Best ventilation is open soffit venting to a open vented ridge vent. Roof turbines are a cheaper alternative to attic ventilation. Read about roof vents and why fan or turbine vents are not as efficient as ridge vents. 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.

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. The wind rotates the fan blade causing air movement in the attic as air is pulled out through the. 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. Wind driven roof vents will pull more air from the attic but only when the wind is blowing.

Combining an attic power vent fan with a ridge vent is usually not recommended because. Find out why fan vents don t work and how a ridge and soffit vent system is better for your roof and attic. Ridge vent must me installed per the manufactures instructions. It could reverse the natural flow of hot air out the ridge vent.

One of the leading causes for fires. Turbine fans have angled slits cut into a capped cylinder which create a continuous fan blade. Of course you try to make the attic scuttle hole use air tight trim on your ceiling cans but it would be foolish to ignore the benefits of a reasonably powered attic fan working in. 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.