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.
Are they worth it.
Good insulation reduces fan effectiveness.
Attic fans are installed in order to reduce the heat during summer time in your attic.
The downside of attic ventilation fans.
Will they cool the home.
However the utility of attic ventilation fans is actually quite a controversial topic.
If you have an attic then you already know the answer to this question.
In short are attic fans good or bad.
Attic fans exhaust hot air from your attic to the outside.
Let s discuss the primary concern homeowners have about attic fan installation.
I ve found two sites that recommend them if you have no ac and others saying there s almost always a bad idea.
Jun 14 2011.
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.
An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic.
Many attics are exposed to high humidity levels in both the winter and summer months and.
Venting a homes attic is a very important best building practices will say 50 at the ridge and 50 at the soffits unobstructed.
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.
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.
Powered attic fan with no ac.
Good roof ventilation can do.
More than 50 of the attic fans i.
A properly install attic fan can reduce your attic temperature by as m.
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These fans are designed to remove excess heat from your attic which in theory is supposed to lessen the load on the air conditioning in your home.
Are attic fans good or bad.
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.
As a certified licensed home inspector it is not correct to say too much ventilation is bad for an attic unless rain moisture is getting in.
And since the roof must be penetrated for some attic fan installations there is concern about that it may lead to water damage.