• rollerbang@lemmy.world
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    4 days ago

    What about AC units that do heat as well? There are also COP ratings for heating with AC, same as for cooling.

    • ProdigalFrog@slrpnk.net
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      4 days ago

      Those are proper heat pumps, they have the extra valve. I’m not used to them since my window AC units back when I had them were from the late 80’s and mid 90’s 😅