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 ... with efficiency ratings of up to 21.10 SEER2, 13.2 EER2, and 10.50 HSPF2, which can provide energy savings ...

US-based heating specialist Lennox has unveiled ... the new heat pump system is claimed to have an efficiency rating of up to 21 for Seasonal Energy Efficiency Ratio 2 (SEER2), 13.2 for Energy ...

The SL22KLV delivers impressive performance with efficiency ratings of up to 21.10 SEER2, 13.2 EER2 ... the SL22KLV Cold Climate Heat Pump pairs seamlessly with the Lennox S40 Smart Thermostat ...