Description
5 Ton Variable Speed Gas Furnace – Dave Lennox Signature Collection
Dave Lennox Signature® SL280V Variable Speed Gas Furnace – Quiet, Efficient, and Reliable
The Dave Lennox Signature® SL280UH090V60C is the quietest furnace in its class, engineered to provide cozy, reliable warmth while minimizing operational noise. Built for peak efficiency, it helps homeowners save substantially on energy costs compared to older systems. Its versatile upflow/horizontal design fits a wide range of home installations.
Energy Efficiency & Performance
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80% AFUE heating efficiency to reduce energy costs
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Improved cooling efficiency when paired with a Lennox air conditioner or heat pump
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Dual-fuel capability enables seamless switching between gas and electric heating for maximum savings
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iComfort™-enabled technology allows smart adjustments through the programmable Wi-Fi thermostat
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Sealed blower compartment minimizes energy loss and maximizes comfort
Quiet Operation
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Up to 4.5× quieter than competitive models
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SilentComfort™ technology and sound-absorbing materials for ultra-quiet operation
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Ultra-low continuous fan speed provides gentle, consistent airflow
Home Comfort & Reliability
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Two-stage operation provides even indoor temperatures
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Variable-speed blower enhances humidity control, consistent airflow, and indoor air quality
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Durable high-quality steel construction with contoured cabinet design
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SureLight® igniter and control board ensure reliable, long-lasting operation
Key Benefits of the 5 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
✅ High-quality steel construction for durability
✅ Enhanced indoor air quality and humidity control
✅ Reduced energy costs compared to older furnaces
The SL280UH090V60C combines ultra-quiet operation, energy efficiency, and durable performance, delivering dependable, cost-effective heating for any home.




