Are Attic Ventilation Fans Good Idea

More than 50 of the attic fans i see do not work and have current still live to the motor.

Are attic ventilation fans good idea. 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. However the utility of attic ventilation fans is actually quite a controversial topic. 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. 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. And get the same effect as a whfan like my fathers 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. The result is a cooler attic space with plenty of air exchange.

Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic. 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. Buy the way my attic area is about 750 800 sf. Quietcool attic fans work almost everywhere almost anytime.

Ridge vent must me installed per the manufactures instructions. Best ventilation is open soffit venting to a open vented ridge vent. And since the roof must be penetrated for some attic fan installations there is concern about that it may lead to water damage. 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.

Do not use mechanical means electric attic fans. During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly. One of the leading causes for fires. I was not asking about whole house fans.

But asking if i could use a roof mounted attic power vent fan. The downside of attic ventilation fans. Let s discuss the primary concern homeowners have about attic fan installation. Good insulation reduces fan effectiveness.