Good insulation reduces fan effectiveness.
Attic fans good or bad idea.
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 downside of attic ventilation fans.
So checking two or three sources will give you a good idea.
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.
Good article describing the best conventional wisdom on these fans.
No they are not worth it.
The engineer we consulted.
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.
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Make sure your whole house fan is insulated and air tight so it doesn t look like this.
Are they worth it a.
Attic fans are necessary for keeping your home cooled during summer months and also to help prevent the growth of mold and mildew.
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.
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.
I like the quote air is stupid it goes wherever it wants.
Whole house fans good or bad.
Let s discuss the primary concern homeowners have about attic fan installation.
However the utility of attic ventilation fans is actually quite a controversial topic.
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.
The good and the bad of attic fans by jeff stock owner of elk ridge electric jun 29 2014 jun 29 2014.
These fans are sold with the idea they pull bad air out of the attic and it gets replaced with ambient outdoor air.
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.
A well ventilated attic helps to avoid problems with moisture and heat buildup.
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.
And since the roof must be penetrated for some attic fan installations there is concern about that it may lead to water damage.
If you have installed enough insulation on your attic floor a hot attic won t make your house hot.
Attic ventilation strategies are attic fans a good idea.