The Lennox SL22KLV Heat Pump is one of the most advanced home comfort systems available in Canada—offering elite-level efficiency, quiet performance, and powerful cold-climate heating. As part of Lennox’s Signature Series lineup, it’s engineered for homeowners who want luxury comfort and real energy savings in every season.
Built with next-generation inverter technology, the SL22KLV automatically adjusts its output to deliver the perfect temperature and humidity balance all year long—keeping your Ottawa home cool in the summer and comfortably warm through our freezing winters.
Why Homeowners Choose the Lennox SL22KLV Heat Pump
- All-Season Comfort:
Delivers reliable, efficient heating even in temperatures as low as –25 °C while providing whisper-quiet cooling performance through Ottawa’s hot, humid summers. - Variable-Capacity Inverter Technology:
The advanced inverter compressor continuously modulates output to maintain consistent indoor comfort with minimal temperature swings and maximum efficiency. - Industry-Leading Efficiency (Up to 22 SEER2 / 10.5 HSPF2):
One of the highest-efficiency dual-purpose systems in its class—cutting hydro and heating costs by up to 50% compared to older HVAC units. - Ultra-Quiet Operation:
Sound-dampening insulation and precision fan engineering keep operating noise as low as 55 decibels—quiet enough to enjoy your backyard or deck in peace. - Smart, Communicating Control:
When paired with the Lennox S40 Smart Thermostat, the system communicates in real time to fine-tune performance and efficiency automatically. - Eco-Friendly R-454B Refrigerant:
Uses the latest low-GWP refrigerant for superior efficiency and compliance with Canada’s new environmental standards.







