Lennox Residential HVAC has launched an extreme cold climate heat pump that warms a house with low global warming potential (GWP) refrigerant in temperatures as low as -20F. It’s called the ...

US-based heating specialist Lennox has unveiled has unveiled a novel heat pump for extreme cold temperatures. Dubbed SL22KLV, the new heat pump system is claimed to have an efficiency rating of up ...

The Lennox SL22KLV Cold Climate Heat Pump delivers precise comfort while reducing environmental impact with low global warming potential (GWP) refrigerant. RICHARDSON, Texas, Feb. 20, 2025 ...