Attic Heat Fans

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.

Attic heat fans.

Thanks for some very informative posts by all. 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. 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. Good insulation reduces fan effectiveness.

Quietcool smart 2830 cfm power gable mount attic fan at amazon this model is our top pick for its ease of use simple installation and maximum energy efficiency best budget. The downside of attic ventilation fans. Cheaper fans with plastic components may begin to fail over time under these. This has a knock on effect.

Your attic fan must be built from material sturdy enough to survive the excessive heat that can build up in an attic. Most fans cannot keep up. During the day any cooler air brought in by the fan will be heated up immediately by the surrounding structure. Master flow egv5 gable mount attic ventilators are master flow egv5 gable mount attic ventilators are a great choice for exhaust ventilation.

An attic fan can reduce the heat in your roof space by between 40 f and 50 f. 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. 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. 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.

They are typically easier to install and won t detract from the appearance of your roof. However the utility of attic ventilation fans is actually quite a controversial topic. Your air conditioner doesn t have to work so hard to keep your house cool so it helps reduce your electricity bill. Much of that heat then conducts downward and finds its way into the house.

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.