• CanadaPlus@lemmy.sdf.org
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    14 hours ago

    but the electric “tops up” the pre-warmed air that the heat pump makes.

    Is the heater at the hot end? The reason they crap out is that they can no longer move and vapourise their coolant, so I’d expect it to be somewhere else, probably the cold end.

    • kent_eh@lemmy.ca
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      9 hours ago

      The ones I’ve seen, the aux heat is in the duct airflow after the hear exchanger.