Wouldn’t it be great if you could cool your entire home on a sweltering hot summer day without any air conditioning? With a whole house attic fan that you make yourself using a few inexpensive items, you can get a nice cool home on a hot day without turning the AC on at all.
Take a look below for the simple instructions on how to make an attic fan using a box fan. When you rig up your system it will work to draw out all the hot air as it rises while bringing all cool air in from any open windows.
source: Jennies Garage
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