Lennox Residential HVAC has launched an extreme cold climate heat pump that warms with low GWP refrigerant in temperatures as low as -20F.

The company says that its new SL22KLV heat pump system can supply heat in temperatures as low as -28.9 C. It uses R-454B as ...

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 ...

For added convenience, the SL22KLV Cold Climate Heat Pump pairs seamlessly with the Lennox S40 Smart Thermostat to create a digital in-home comfort system that automatically adjusts settings to ...