Dave Lennox Signature® SL280V Variable Speed Gas Furnace – Quiet, Efficient, and Reliable

The Dave Lennox Signature® SL280V Gas Furnace is the quietest furnace in its class, engineered to provide reliable, cozy home heating while minimizing operational noise. Designed for peak efficiency, it helps homeowners save on energy costs compared to older systems. The furnace supports upflow and horizontal installations, making it versatile for most home layouts.

Energy Efficiency & Performance

• 80% AFUE heating efficiency to reduce annual energy costs

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

• Dual-fuel capability enables automatic switching between gas and electric heating for maximum savings

• iComfort™-enabled technology allows smart adjustments via the programmable iComfort Wi-Fi® thermostat

• Sealed blower compartment minimizes energy loss and maximizes comfort

Quiet Operation

• Up to 4.5× quieter than competitive models

• SilentComfort™ technology and sound-absorbing materials reduce noise

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

Home Comfort & Reliability

• Two-stage operation for even indoor temperatures

• Variable-speed blower enhances humidity control, consistent airflow, and indoor air quality

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

• SureLight® igniter and control board ensure reliable, long-lasting performance

Key Benefits of the 3 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
✅ Ultra-quiet operation with SilentComfort™ technology
✅ iComfort™-enabled smart thermostat compatibility
✅ Durable high-quality steel construction

The SL280V furnace delivers unmatched quiet operation, energy efficiency, and comfort, making it ideal for homeowners seeking dependable and cost-effective heating solutions.

LEGAL INFORMATION

California Only

This furnace does not meet the South Coast Air Quality Management District (SCAQMD) Rule 1111 and San Joaquin Valley Air Pollution Control District (SJVAPCD) Rule 4905 NOx emission limit (14 ng/J) and cannot be installed within the SCAQMD and SJVAPCD areas.