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A comment on Ask HN: Do I place the fan so that it blows air inwards or outwards?. Parent comment

Re:Ask HN: Do I place the fan so that it blows air inwards o... by mark212 on Monday May 28, 2018 @04:25PM (#17174621)
I think the key there is to open the windows at a time when it’s cooler outside. Without sufficient openings to pull air in, the pressure differential is inefficient
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