| Energy Efficiency | 80% AFUE |
|---|---|
| Stages of Heating | Two-Stage |
| Quiet Operation | SilentComfort™ Technology and Sound Absorbing Insulation |
| Motor | Variable Speed |
| Enhanced Humidity Control |  |
| Blower Compartment | Insulated |
| Air Filter and Humidifier Compatible | |
| Ultra-Low Continuous Fan | |
| Dual-Fuel Capable | Y |
| Ignition | SureLight® Silicon Nitride Ignitor |
| Parts Warranty | 10-Year Limited Warranty on covered components |
| Heat Exchanger Warranty | 20-Year Limited Warranty |
Lennox SL280NV Gas Furnace
Variable-speed, ultra-low emissions gas furnace.
Efficient and environmentally friendly, the SL280NV with our revolutionary design produces 65% lower NOx emissions than standard low-NOx furnaces. So you can feel good about your environment, inside and out.
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