LPT: At night during the summer, open 2 windows and use a large fan to blow the hot air out of one window, which pulls cooler air into the house from the other window. This is much more effective than trying to blow cooler air in directly with the fan
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Posted in r/LifeProTips by u/Nice_Dude • 170 points and 58 comments
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The original was posted on /r/lifeprotips by /u/Nice_Dude on 2025-06-03 18:33:07+00:00.

Original Title: LPT: At night during the summer, open 2 windows and use a large fan to blow the hot air out of one window, which pulls cooler air into the house from the other window. This is much more effective than trying to blow cooler air in directly with the fan