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.
Do attic fans work reddit.
Yea yea and yea again.
They depressurize the house and cause your ac to work even more to cool all the infiltrating air not to mention the considerable energy the fan itself uses.
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.
Do attic fans work.
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.
My summer bills are running up to 500 dollars for admittedly a 4 3 bd br two story house.
We got quoted 11k for a c.
Whether or not an attic fan really works is a controversial subject.
When our attic fan broke we could not get our heat below 82 degrees.
Reconfiguring your entire roofline is way more expensive and invasive when attic fans can work in some.
And adding an attic fan yourself is like 80 for the fan comes with its own thermostat.
You may wind up with a cooler upstairs but it will be a really inefficient way of achieving it.
Even if he d charged us 500 that s 1000 total.
Attic fans are a bad idea in general but especially if you have ac.
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.
When i fixed it we could get to to 68.
I ve noticed that the attic is very hot somewhere in the 150 range min.
My ac is working itself to an early death.
Instead we bought 2 attic fans for 500 and had a contractor who was already scheduled to do some work put them in.
If your upper floor is hot because of attic heat you need more insulation and possibly better circulation.
Energy professionals will tell you that they do more harm than good.
My upstairs won t cool down below 75 even after i got my unit defrosted and recharged.
In ceiling fans are remarkably quiet when you match the attic venting to the fan size.
We had 3 days in a row in the 90s and it was never remotely uncomfortable inside.
Fwiw that price is a ripoff you don t need a quietcool fan search up triangle fan company.
Attic fans work on the principle of pushing out the attic s hot air and replacing it with cool air from outside.
Manufacturers of attic fans as well as hvac companies will tell you otherwise.
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.
Someone told me to install fans but i need advice before i pay a guy the 1000 to do wiring cutting etc.
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.
