Don’t think I need to summarize this one. This is bad news for everyone.

  • AJ1@lemmy.ca
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    20 hours ago

    as a Canadian, I agree totally. -40 is wayyyy more tolerable than +40. I’ll take Hoth over Tatooine any fucking day of the week

      • douglasg14b@lemmy.world
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        12 hours ago

        Heat pumps work at >100% thermal efficiency.

        Air conditioners dont.

        An air conditioner is a heat pump… That just works in one direction. It uses refrigeration just the same.

        They both rely on creating a thermal gradient between two heat exchangers. And they are both negatively affected by extreme temperature gaps.

        The heat exchanger facing outside with a heat pump must be colder than ambient temperature by a reasonable margin. The opposite goes for an AC. These qualities break down in extreme ranges for typical hardware.

        This also, as expected, reduces the efficiency.