The Dave Lennox Signature® Collection SL22KLV is a heat pump like no other. Utilising Lennox’s most advanced cold climate heat pump technology, it optimises efficiency while delivering rich, warm comfort in temperatures as low as -20°F. From its innovative cabinet design that increases durability to its digital communication features that maximise accurate control, no other heat pump delivers this level of efficiency and precision.
Our leading heat pump is engineered with Lennox’s most advanced cold climate technology. Using a variable-speed compressor with Electronic Refrigerant Injection (ERI) to adjust the energy usage based on the outside temperature, this unit maintains 100% capacity at 5°F. In colder temperatures, the ERI increases heating output efficiently, providing the warm, rich comfort of a gas furnace with the efficiency of a heat pump, maintaining a heat output of 90°F or greater at 5°F.
With efficiencies of up to 21.10 SEER2, 13.60 EER2 , and 10.50 HSPF2, the SL22KLV can lower your energy bills year-round. As an ENERGY STAR® Most Efficient Cold Climate heat pump, this unit qualifies for vast rebates and incentives including federal tax credits, utility rebates, and more. Additionally, the SL22KLV has been engineered with a variable-capacity compressor which allows it to primarily run at low speed—drastically minimising the sound of air kicking on or off inside the home. Add in a special sound-dampening system to absorb outdoor noise, and this lets it operate at sound levels as low as 58 dB, or the sound of a microwave.
Our most innovative cabinet design features panels that fit securely to the unit to prevent excess noise, along with an easily removable louver panel that allows for quick access by your technician. This proprietary design makes Lennox units more attractive and durable, quieter, and easier to install and service, so nothing stands between you and having perfect air in your home. Furthermore, the composite unit base and top, plus the galvanised steel cabinet’s powder finish, prevent corrosion and ensure that your unit will stand up to the elements in any climate for years to come.
To complete your system, this truly digital product is designed to pair with the Lennox S40 Smart Thermostat as part of a fully communicating home comfort system. Sensors in the equipment allow the thermostat to diagnose issues and automatically make system adjustments to more accurately and efficiently maintain temperature, humidity, and air quality. And as part of the all-new Ultimate Comfort System™, the factory-integrated Refrigerant Detection System offers a simple plug-and-play approach for dealers, ensuring reliable performance and added peace of mind for homeowners.
Altogether, the SL22KLV is the most precise and efficient heat pump available. Its combination of advanced cold climate technology, ultra-quiet operation, and digital intelligence delivers unprecedented performance. With exceptional energy efficiency, robust durability, and seamless integration with the Lennox Ultimate Comfort System, the SL22KLV isn’t just a heat pump—it’s a complete comfort solution engineered for performance, reliability, and peace of mind in every season.
