I got a goodman. You are dead on about the defrost cycle. Its usually followed by an air brake sound and aloud vibration as the fan stops, but compressor keeps going. Usually when its in heat pump mode and its near freezing its blowing smoke like so never seen the steam cloud.
Funny note, we had it checked up a few years ago. Was told we had a leak and was low 3 lbs of freon and needed to get it fixes. Still going with no problems.
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Originally Posted by basjoos
My old Goodman heat pump used to defrost on a fixed schedule when running as a heat pump.
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