Do Turbine Attic Fans Work

An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic.

Do turbine attic fans work.

It does this 365 7 24. Good attic ventilation is important for preventing ice dams in the winter. But the question our customers often ask is do they really work. Passive vents work for free and in almost all instances are silent.

When exploring the best attic ventilation practices consider installing an attic ventilation fan to keep the hot air from settling in. These are very common to see on older roofs. 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. Whirlybird roof turbines vents you know those funny spinning things you see up on the roof tops.

Ventilating attic spaces in winter months is often more important than venting them in summer. Most fans cannot keep up. A turbine has a series of vanes that spin as wind passes through them. Best ventilation is open soffit venting to a open vented ridge vent.

How an attic fan works. Even though an attic exhaust fan can incrementally lower the temperature of a very hot attic using a fan does not stop the source radiant heat. During the day any cooler air brought in by the fan will be heated up immediately by the surrounding structure. More than 50 of the attic fans i see do not work and have current still live to the motor.

Attic fans exhaust hot air from your attic to the outside. Ridge vent must me installed per the manufactures instructions. A ridge vent runs across the top of the roof s peak. The last thing you want to do is stuff insulation in the vents.

Most residential homes have some type of attic ventilation. The answer is yes they really do. Unlike turbines this venting style does not have any moving parts. 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.

Air movement in the attic helps prevent moisture buildup on rafters and on the bottom of roofing materials. Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof. Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside. Attic must have 5 sq.

How does an attic fan work. In summer air movement helps rid the attic space of. These can be ridge vents wind turbines or the flat vents your roofer wants to install. Do not use mechanical means electric attic fans.