Question about Heating & Cooling
It depends if it has a defrost control built into it or not. Most units do not come with them installed they are an add on feature that you have to pay for. if the outside unit is icing up then the outside temperature is probably to low to run the compressor. I would switch over to aux. or emegency heat option on the thermostat as in low temperatures it is not efficent to run a heat pump anyway. Hope this helps have a wondeful evening.
Posted on Jan 30, 2010
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Posted on Jan 02, 2017
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