Had a new Fujitsu Xtra Low Heating mini split single zone installed back in August that said is capable of heating to -15F. Outdoor thermometer was showing -12f at its lowest and its still was blowing warm enough air. Don't think my boiler ever kicked on (Have that set to around 60f).
Alternative_Copy_768 t1_j7gadnt wrote
Reply to Heat Pumps During Recent Cold Weather by thread100
Had a new Fujitsu Xtra Low Heating mini split single zone installed back in August that said is capable of heating to -15F. Outdoor thermometer was showing -12f at its lowest and its still was blowing warm enough air. Don't think my boiler ever kicked on (Have that set to around 60f).