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by cmdrfred 3682 days ago
You can also leverage the stack effect[0] with a whole house fan[1] if you have a basement. It drops my temps about 5 - 10 degrees allowing me to put off turning on the AC for a month or so a year.

[0]https://en.wikipedia.org/wiki/Stack_effect

[1]http://www.northerntool.com/shop/tool/product_200510953_2005...