Dave Lennox Signature® Collection – SL280VK Gas Furnace
Integrated Efficiency with Quiet, Reliable Performance

The Dave Lennox Signature® SL280VK Gas Furnace delivers standard-efficiency heating while incorporating an integrated refrigerant detection system to meet 2025 refrigerant compliance. Designed as a quiet, high-performance solution, it offers reliable warmth and energy savings compared to older systems. Its upflow/horizontal design, coupled with variable-speed and two-stage operation, ensures consistent temperatures, improved humidity control, and exceptional indoor air quality.

Energy Efficiency & Performance

• 80% AFUE heating efficiency, helping save on annual energy costs

• Enhanced cooling efficiency when paired with a Lennox air conditioner or heat pump

• Dual-fuel capability for optimal energy use, automatically switching between gas and electric heating

• iComfort™-enabled technology for smart, automated performance adjustments

• Sealed blower compartment minimizes energy loss

Quiet Operation

• The quietest furnace in its class, up to 4.5× quieter than competitive models

• SilentComfort™ technology and sound-absorbing materials reduce operational noise

• Ultra-low continuous fan speed provides a gentle, constant airflow

Reliable Home Comfort

• Two-stage operation for even temperatures

• Variable-speed technology for consistent airflow and better humidity control

• High-quality steel construction with a sleek, durable cabinet

• SureLight® igniter and control board ensure reliable operation and long product life

The SL280VK is engineered for homeowners seeking energy efficiency, ultra-quiet performance, and dependable comfort, all in a durable, high-quality design.

Short Description

Dave Lennox Signature® SL280VK Gas Furnace – Quiet, Efficient, and Reliable

The SL280VK Gas Furnace delivers 80% AFUE heating, dual-fuel capability, and variable-speed operation for quiet, energy-efficient home comfort. Integrated refrigerant detection ensures 2025 compliance, while SilentComfort™ technology minimizes operational noise.

Key Benefits of the 2 Ton Variable Speed Gas Furnace

✅ 80% AFUE for energy-efficient heating
✅ Dual-fuel capable for gas and electric operation
✅ Variable-speed and two-stage operation for consistent comfort
✅ Integrated refrigerant detection system for 2025 compliance
✅ Ultra-quiet operation with SilentComfort™ technology
✅ Durable high-quality steel construction