Here’s Geoff from geoffmobile.com with some tips on how to make your home cooler in the hot weather.
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The goal is to make your apartment as cool as possible using only fans (no air conditioner). The idea is that you want the air to flow from the cold area (such as a cooler room) to the warm area. To encourage the air to flow, try turning on exhaust fans such as the kitchen fan and/or the bathroom exhaust fan.
To make fans more effective in creating flow, put the fans in their stationary setting, so that they do not rotate. You may notice an overall cooler room when the fans are not rotating :)
Filmed on a Google Nexus 5 in Vertical Video Mode.