Here is some information so you can decide whether an attic fan is right for your home.
Do attic fans work reddit.
Don t use a fan to force air into your attic this creates positive pressure that could push dust and insulation into your living space.
Whether or not an attic fan really works is a controversial subject.
Instead we bought 2 attic fans for 500 and had a contractor who was already scheduled to do some work put them in.
Attic fans work on the principle of pushing out the attic s hot air and replacing it with cool air from outside.
My downstairs feels icy cold.
My ac is working itself to an early death.
I ve noticed that the attic is very hot somewhere in the 150 range min.
If you have a fan it needs to pull air out of the attic.
And adding an attic fan yourself is like 80 for the fan comes with its own thermostat.
My upstairs won t cool down below 75 even after i got my unit defrosted and recharged.
My summer bills are running up to 500 dollars for admittedly a 4 3 bd br two story house.
I added a whole house fan and it would overheat and shutoff after 10 minutes because we didn t have enough venting mostly due to my overoptimistic expectations of the soffit vents.
You may wind up with a cooler upstairs but it will be a really inefficient way of achieving it.
Attic fans are a bad idea in general but especially if you have ac.
Even if he d charged us 500 that s 1000 total.
When our attic fan broke we could not get our heat below 82 degrees.
We had 3 days in a row in the 90s and it was never remotely uncomfortable inside.
Someone told me to install fans but i need advice before i pay a guy the 1000 to do wiring cutting etc.
Yea yea and yea again.
Reconfiguring your entire roofline is way more expensive and invasive when attic fans can work in some.
Manufacturers of attic fans as well as hvac companies will tell you otherwise.
It s great to blow out the attic after a weekend away nice to exhaust cooking smells in minutes and if you have a handy friend it is an easy install.
There are several different types of attic ventilation systems but most of them feature small vents soffit and gable which draw in cool air along with a primary fan that pushes air outside.
Attic vent area is key for this to work you need to have a very good idea of your total soffit ridge and gable vents for this to work.
Fwiw that price is a ripoff you don t need a quietcool fan search up triangle fan company.
If your upper floor is hot because of attic heat you need more insulation and possibly better circulation.
When i fixed it we could get to to 68.
Energy professionals will tell you that they do more harm than good.
Attic fans do work here in nc 100.
I know the best solution are solar panels hands down but they cost 20k plus and i don t want that investment on this house because its in clayton county and its.
In ceiling fans are remarkably quiet when you match the attic venting to the fan size.
