Quote:
Originally Posted by asphaltgambler
I'm not sure I understand your theory. With HVAC in heat pump mode; the system essentially works in reverse. The evaporator is now the heat sink, the compressor coils / unit become the evaporator; so spraying the coils with water which are cold already does not make any sense to me in theory.
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The theory is that the outside air is currently 36°, but the water temp should be closer to 55°. When the outdoor air temp is 50-55° the heat pump works pretty well. 🎃