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A comment on Ask HN: Any Hardware Startups Here?. Parent comment

Re:Ask HN: Any Hardware Startups Here? by inamberclad on Wednesday July 05, 2023 @11:59PM (#36611050)
That 'up to 3 times' is a very generic sounding Carnot cycle number. It's about the upper limit for heat pump performance, so it's not a very meaningful number IMO.
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