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A comment on Places Are Increasingly Getting So Hot That People Just Die. Parent comment

Re:Places Are Increasingly Getting So Hot That People Just Die by jbrot on Thursday July 08, 2021 @12:55AM (#27768597)
My understanding is that underground is a constant 50-60°F — wouldn’t that provide a heat difference?
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Re:Places Are Increasingly Getting So Hot That People Just Die by alephaleph on Thursday July 08, 2021 @10:59PM (#27780087)
Yep, there are even commercial applications: https://en.wikipedia.org/wiki/Ground_source_heat_pump
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