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.

Do attic fans work reddit.

Whether or not an attic fan really works is a controversial subject. Attic fans work on the principle of pushing out the attic s hot air and replacing it with cool air from outside. 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. Even if he d charged us 500 that s 1000 total.

I ve noticed that the attic is very hot somewhere in the 150 range min. My summer bills are running up to 500 dollars for admittedly a 4 3 bd br two story house. Manufacturers of attic fans as well as hvac companies will tell you otherwise. You may wind up with a cooler upstairs but it will be a really inefficient way of achieving it.

Reconfiguring your entire roofline is way more expensive and invasive when attic fans can work in some. In ceiling fans are remarkably quiet when you match the attic venting to the fan size. My ac is working itself to an early death. And adding an attic fan yourself is like 80 for the fan comes with its own thermostat.

We had 3 days in a row in the 90s and it was never remotely uncomfortable inside. 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. Yea yea and yea again. My upstairs won t cool down below 75 even after i got my unit defrosted and recharged.

If you have a fan it needs to pull air out of the attic. 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. Fwiw that price is a ripoff you don t need a quietcool fan search up triangle fan company.

When our attic fan broke we could not get our heat below 82 degrees. Energy professionals will tell you that they do more harm than good. When i fixed it we could get to to 68. 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. Here is some information so you can decide whether an attic fan is right for your home. 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.

My downstairs feels icy cold. We got quoted 11k for a c. 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.