Attic Fans Good Or Bad Idea

I can t find a definitive answer as to whether or not powered attic fans are a good idea if you don t have ac or a whole house fan.

Attic fans good or bad idea.

Every homeowner has been told at some point or another about how important ventilation is to your attic especially by roofing companies and those in the business of selling attic fans. There are lots of solar attic fans available with the obvious attraction that they cost nothing to run. If you have installed enough insulation on your attic floor a hot attic won t make your house hot. Whole house fans good or bad.

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. Good insulation reduces fan effectiveness. The downside of attic ventilation fans. However the utility of attic ventilation fans is actually quite a controversial topic.

And since the roof must be penetrated for some attic fan installations there is concern about that it may lead to water damage. Attic fans are necessary for keeping your home cooled during summer months and also to help prevent the growth of mold and mildew. Are they worth it a. 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.

No they are not worth it. Attic ventilation strategies are attic fans a good idea. Many attics are exposed to high humidity levels in both the winter and summer months and having a good attic fan helps ease these worries. These fans are sold with the idea they pull bad air out of the attic and it gets replaced with ambient outdoor air.

A well ventilated attic helps to avoid problems with moisture and heat buildup. Good article describing the best conventional wisdom on these 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. So checking two or three sources will give you a good idea.

I like the quote air is stupid it goes wherever it wants. Let s discuss the primary concern homeowners have about attic fan installation. The underpinnings of most are similar to wired fans though the best are designed to make the most use of the solar energy available. The engineer we consulted.

In short are attic fans good or bad. Return to homepage please subscribe to keep reading. There are a number of companies promoting and selling large fans that install in the ceiling of a central location typically that pull in air from the outside and force that air into the attic and out the attic vents.