But the very thing that makes them such an amazing climate solution is also their ... starting this year, heat pump refrigerants have a global warming potential of no more than 700.

Ductless heat pumps are better if you want more temperature control in various zones in ... a heat pump on the coldest days," Holmes wrote. Even if you live in a mild climate, there are other ...

The Lennox SL22KLV Cold Climate Heat Pump delivers precise comfort while reducing environmental impact with low global warming potential (GWP) refrigerant. "At Lennox, we are committed to ...