What temperatures can the All-Weather 120V heat pump operate in? December 10, 2024 17:43 Updated The All-Weather 120V heat pump outdoor operating temperatures air range from -13 ºF to 115 ºF Related articles What room size is the All-Weather 120V heat pump designed to cover? What is the CEER and HEER of the All-Weather 120V heat pump? How is this product any different than a mini-split? What is the power supply requirement for the All-Weather 120V™ Window Heat Pump? What refrigerant does the All-Weather 120V heat pump use?