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5215's avatar
5215
Explorer
Sep 01, 2021

Coleman heat pump and heating element together

I'm shopping for a new rooftop air conditioner. Getting one with a heat pump seems like a good way to save electricity. However, heat pumps stop working when the outside temperature gets close to fr...
dougrainer's avatar
dougrainer
Nomad
Sep 01, 2021
From RVP For MANUAL ceiling controls NOT wall tstats

The heat pump will operate on reverse cycle refrigerant
heating at outdoor temperatures above freezing. When the
outdoor temperature is below freezing, the heat pump
compressor will shut down to prevent outdoor coil freeze-up.
At this time, the optional electric resistance heater will be
utilized to take the chill out of the indoor air. The electric
resistance heater is not a substitute for a furnace at these low
outdoor temperatures.

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