Attic Fans Good Or Bad 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.

Attic fans good or bad idea.

Make sure your whole house fan is insulated and air tight so it doesn t look like this. 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. Whole house fans good or bad.

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. No they are not worth it. 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. Good article describing the best conventional wisdom on these fans.

The underpinnings of most are similar to wired fans though the best are designed to make the most use of the solar energy available. These fans are sold with the idea they pull bad air out of the attic and it gets replaced with ambient outdoor air. And since the roof must be penetrated for some attic fan installations there is concern about that it may lead to water damage. Are they worth it a.

A well ventilated attic helps to avoid problems with moisture and heat buildup. 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. However the utility of attic ventilation fans is actually quite a controversial topic. 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.

The downside of attic ventilation fans. Good insulation reduces fan effectiveness. I like the quote air is stupid it goes wherever it wants. In short are attic fans good or bad.

Let s discuss the primary concern homeowners have about attic fan installation. So checking two or three sources will give you a good idea. There are lots of solar attic fans available with the obvious attraction that they cost nothing to run. The engineer we consulted.

The good and the bad of attic fans by jeff stock owner of elk ridge electric jun 29 2014 jun 29 2014. If you have installed enough insulation on your attic floor a hot attic won t make your house hot. Attic fans are necessary for keeping your home cooled during summer months and also to help prevent the growth of mold and mildew.