Quote:
Originally Posted by MDSheds_SS
Depends on the unit, most residential split systems can run down to 35* ambient temp. Before the electric heat /propane heat kicks in.
Diakin mini splits can run as low as 0* Discharging 95+ degrees.
Not sure if this answers your question.
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Just seems to be no straight answer as to where the efficiency of running a heat pump goes below the cost of running the gas furnace. I have my set point at around ~40*F at the moment, and just gonna evaluate how the bills go. AFAIK, gas is much cheaper than electric so its confusing as to why running the "AC" year round will save money.