Never Install An Attic Fan

This is the best installation tutorial on youtube.

Never install an attic fan.

Here is a corollary. The attic fans are fitted with thermostats that will switch on and off the fan depending on the homeowner s preference. 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. Never try to install an attic fan on your roof with the electricity on.

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. It s money down the drain. It s also a good idea to turn any wall switches in the attic to the off position. 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. An attic fan works by drawing in cool air to the attic space that pushes out the hot air through vents. 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. 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.

Attic fan installation inadequate ventilation can lead to a buildup of heat and moisture in your attic. This can lead to higher cooling costs and take a toll on your home s framing insulation and roofing materials. The money you spend on installing and operating powered attic ventilation fans will never be recovered in energy savings. If you ve never installed an attic fan before it s worth checking out a few videos to see how it s done.

Now in theory an attic fan would be mounted on the roof and it would draw air out of the attic. When exploring the best attic ventilation practices consider installing an attic ventilation fan to keep the hot air from settling in. Alternatively you can hire a professional to do it for you and save yourself the hassle.