Lennox SL22KLV | Cold Climate Heat Pump | Up to 21.1 SEER2
Dave Lennox Signature® cold climate heat pump with up to 21.1 SEER2 and 10.5 HSPF2, operating comfortably down to -20°F using Electronic Refrigerant Injection technology.
• Up to 21.1 SEER2 / 10.5 HSPF2 / 13.2 EER2
• Electronic Refrigerant Injection (ERI) cold climate technology
• Operates comfortably at -20°F
• Variable-speed compressor
• Sound as low as 58 dB
• R-454B refrigerant (2025 EPA compliant, low GWP)
• ENERGY STAR® Most Efficient Cold Climate 2025
• Fully communicating with Lennox S40 Smart Thermostat
• Innovative removable louver panel cabinet
• Precision-balanced direct-drive fan
• Dave Lennox Signature® Collection
• 10-Year Limited Warranty (WarrantyYourWay)
SEER2: Up to 21.1 | HSPF2: 10.5 | EER2: 13.2 | Refrigerant: R-454B (Low GWP) | Min Operating Temp: -20°F | Sound: As low as 58 dB | ENERGY STAR: Most Efficient Cold Climate 2025 | Thermostat: S40 Smart | Series: Dave Lennox Signature® | Warranty: 10-Yr Limited