Are Attic Ventilation Fans Good Idea

One of the leading causes for fires.

Are attic ventilation fans good idea.

I can get a roof mounted power attic vent fan that is 1400 1600 cfm. 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. The result is a cooler attic space with plenty of air exchange. Do not use mechanical means electric attic fans.

Three years ago i wrote an article titled don t let your attic suck power attic ventilators are a bad idea nearly a hundred thousand page views and 93 comments later it s still generating lots of heat. Many homeowners hear about attic fans installed by friends and neighbors and want to know if an attic fan is a good idea or just a waste of money. And use a set of the shutters like used with whole house fans. Best ventilation is open soffit venting to a open vented ridge vent.

Quietcool attic fans work almost everywhere almost anytime. However the utility of attic ventilation fans is actually quite a controversial topic. Let s discuss the primary concern homeowners have about attic fan installation. The downside of attic ventilation fans.

But asking if i could use a roof mounted attic power vent fan. Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic. Good insulation reduces fan effectiveness. More than 50 of the attic fans i see do not work and have current still live to the motor.

And since the roof must be penetrated for some attic fan installations there is concern about that it may lead to water damage. And get the same effect as a whfan like my fathers house. During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly. I was not asking about whole house fans.

With an attic fan you can cool the attic to the same temperature as it is outside greatly reducing the house from heating as quickly. 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. In short are attic fans good or bad. 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.