Attic Heat Fans

However the utility of attic ventilation fans is actually quite a controversial topic.

Attic heat fans.

Much of that heat then conducts downward and finds its way into the house. An attic fan can reduce the heat in your roof space by between 40 f and 50 f. Most fans cannot keep up. Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool.

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. Your air conditioner doesn t have to work so hard to keep your house cool so it helps reduce your electricity bill. Your attic fan must be built from material sturdy enough to survive the excessive heat that can build up in an attic. The downside of attic ventilation fans.

Iliving 800 cfm shutter exhaust fan at amazon this fan can easily remove excess heat moisture and odor from any space up to 1 200 square feet. Trying to solve the heat gain problem in your attic by using a fan is like lying out at the beach with a fan blowing over you and thinking you re not. Lastly i am curious about the recommendation on your blog to reverse the ceiling fans to decrease the radiant heat transmitted from the attic through the ceiling. Ventilation fans or powered attic ventilators are designed to cool the attic pushing out the hot attic air and rushing in a flow of cool outside air.

This has a knock on effect. That is a new one on me. Cheaper fans with plastic components may begin to fail over time under these. They are typically easier to install and won t detract from the appearance of your roof.

Thanks for some very informative posts by all. Using a fan to blow hot air out of the attic doesn t address the radiant heat flow from the roof to the attic floor. They can quickly remove a larger volume of hot and or humid air from your attic compared to static ventilation which helps save money on your heating and cooling. Master flow egv5 gable mount attic ventilators are master flow egv5 gable mount attic ventilators are a great choice for exhaust ventilation.

Good insulation reduces fan effectiveness.