Are Attic Ventilation Fans Good Idea

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.

Are attic ventilation fans good idea.

One of the leading causes for fires. Good insulation reduces fan effectiveness. 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. 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.

I was not asking about whole house fans. And since the roof must be penetrated for some attic fan installations there is concern about that it may lead to water damage. The result is a cooler attic space with plenty of air exchange. Ridge vent must me installed per the manufactures instructions.

And get the same effect as a whfan like my fathers house. 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. The downside of attic ventilation fans. More than 50 of the attic fans i see do not work and have current still live to the motor.

I don t know why so many people are so defensive about power attic ventilators but here are a few of the things they ve said to me in the comments. But asking if i could use a roof mounted attic power vent fan. Do not use mechanical means electric attic fans. Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic.

During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly. Buy the way my attic area is about 750 800 sf. In short are attic fans good or bad. However the utility of attic ventilation fans is actually quite a controversial topic.

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. And use a set of the shutters like used with whole house fans. 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.