Upgrade to the SL22KLV Efficient Heat Pump, designed for cold climates with high SEER ratings, precise temperature control, and full compatibility with 2025-compliant refrigerants.
The Dave Lennox Signature® Collection SL22KLV is a heat pump like no other. Utilizing Lennox’ most advanced cold climate heat pump technology, it optimizes 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 maximize accurate control, no other heat pump delivers this level of efficiency and precision.*
Our leading heat pump is engineered with Lennox’ 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. 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.
To reduce operating sound levels, the SL22KLV uses a sound-dampening system with a precision-balanced, direct-drive fan to ensure smooth, quiet operation. This lets it operate at a volume as quiet as 58 dB, or the sound of a microwave.
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.
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.
This product is compliant with 2025 EPA regulations for lower global warming potential (GWP) refrigerants. The Lennox choice of 2025 Compliant Refrigerant has a lower GWP than its predecessor and is formulated to provide excellent, reliable performance of your system for years to come.
High-efficiency, digital-ready, variable-capacity cold climate heat pump compatible with 2025 Compliant Refrigerant
Our advanced cold climate technology delivers a greater amount of heat compared to traditional heat pumps, resulting in a feeling similar to the rich, warm comfort of a gas furnace—even during the coldest outdoor temperatures.
To reduce operating sound levels, the EL21KLV uses a sound-dampening system with a precision-balanced, proprietary direct-drive fan to ensure smooth, quiet operation. This lets it operate at a volume as quiet as 55 dB, or the sound of a microwave.
The compact, efficient EL21KLV variable-speed heat pump is your digital bridge into a world of perfect air. When paired with a fully digital furnace or air handler and a Lennox S40 Smart Thermostat, it can step into a fully communicating home comfort system, maximizing its 21.00 SEER2 efficiency with modern communication features.
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.
This product is compliant with 2025 EPA regulations for lower global warming potential (GWP) refrigerants. The Lennox choice of 2025 Compliant Refrigerant has a lower GWP than its predecessor and is formulated to provide excellent, reliable performance of your system for years to come.
Mid-efficiency, single-stage heat pump compatible with 2025 Compliant Refrigerant.
A single-stage unit is either on or off, working at full capacity when in use. With this simplified mode of operation, this product provides the heating and cooling levels you’d expect.
With efficiencies of up to 17.00 SEER2 and an HSPF2 of 8.50, the EL16KP1 can deliver significant energy savings. In fact, it can help cut your energy bills year-round. It may even help you qualify for energy rebates.
To reduce operating sound levels, the EL16KP1 uses a sound-dampening system with a precision-balanced, direct-drive fan to ensure smooth, quiet operation. This lets it operate at a volume as quiet as 71 dB, or the sound of a handheld food mixer.
With years of rigorous testing under the most extreme conditions, our Quantum Coil – featuring a proprietary aluminum alloy exclusive to Lennox – is designed to weather the harshest elements.
This product is compliant with 2025 EPA regulations for lower global warming potential (GWP) refrigerants. The Lennox choice of 2025 Compliant Refrigerant has a lower GWP than its predecessor and is formulated to provide excellent, reliable performance of your system for years to come.
Standard-efficiency, single-stage heat pump compatible with 2025 Compliant Refrigerant
Energy Efficiency & Performance
Quiet Operation
Craftsmanship & Reliability
Safety & Sustainability
This product is compliant with 2025 EPA regulations for lower global warming potential (GWP) refrigerants. The Lennox choice of 2025 Compliant Refrigerant has a lower GWP than its predecessor and is formulated to provide excellent, reliable performance of your system for years to come.
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