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A comment on Device wraps around hot surfaces, turns wasted heat to electricity. Parent comment

Re:Device wraps around hot surfaces, turns wasted heat to el... by PinguTS on Monday January 24, 2022 @06:20AM (#30056164)
But isn't that "waste" heat already used to heat the office building and other buildings nearby. So there is a use case already.

Of course during the year there are times, when heating is not needed. Then it would make sense to use the heat otherwise.

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Re:Device wraps around hot surfaces, turns wasted heat to el... by adrianN on Monday January 24, 2022 @01:50PM (#30062085)
I think most industrial waste heat is indeed wasted. You don't tend to build for example chemical factories close to where you would have offices or homes.
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