The attic fans are fitted with thermostats that will switch on and off the fan depending on the homeowner s preference.
Never install an attic fan.
In such doing the attic fan will reduce the temperature in the attic space that in turn cools down the whole house.
When exploring the best attic ventilation practices consider installing an attic ventilation fan to keep the hot air from settling in.
Attic fan installation inadequate ventilation can lead to a buildup of heat and moisture in your attic.
The money you spend on installing and operating powered attic ventilation fans will never be recovered in energy savings.
This is the best installation tutorial on youtube.
Now i m going to say that it s probably ok in this particular house to install an attic fan because you don t have central air conditioning.
If you ve never installed an attic fan before it s worth checking out a few videos to see how it s done.
An attic fan works by drawing in cool air to the attic space that pushes out the hot air through vents.
As long as you have enough space at the base of the roof for an equal amount of soffit vents you shouldn t need a fan.
Alternatively you can hire a professional to do it for you and save yourself the hassle.
If you were thinking about spending 300 on powered attic ventilators and another 30 per year in electricity to run them take the 330 you would have spent during the first.
2 drill a pilot hole through the roof where you want your fan to go.
Never try to install an attic fan on your roof with the electricity on.
It s also a good idea to turn any wall switches in the attic to the off position.
If you can improve ventilation in your attic and reduce the amount of heat the space holds and pushes into your home you ll reduce the cooling load on your air conditioner and save money on your utility bills.
It s money down the drain.
The big complaint that leads to an attic fan request is usually a hot second floor which can largely be mitigated by air sealing the attic and installing a generous bit of insulation drastically reducing conduction and convection.
A fan might be necessary if the construction of your house is such that you.
All of a sudden that attic fan isn t needed anyway.
