Dave Lennox Signature® Collection
SLP99VK Gas Furnace
The Lennox SLP99VK Gas Furnace is one of the most efficient and quietest furnaces available today, delivering up to 99% AFUE for exceptional energy savings and performance. Designed with an integrated refrigerant detection system for 2025 compliance, it combines advanced technology with premium comfort.
This fully modulating furnace adjusts heat output in small increments to maintain consistent temperatures throughout your home. The variable-speed motor ensures steady airflow, while SilentComfort™ technology provides ultra-quiet operation.
The SLP99VK is iComfort®-enabled, integrates with the PureAir™ S air purification system, offers enhanced humidity control, and is dual-fuel compatible with Lennox heat pumps for added efficiency.
For homeowners in Toronto seeking top-tier comfort, quiet performance, and maximum efficiency, the SLP99VK is a premium heating solution from Cozy Castle HVAC.




















