|Energy Efficiency||80% AFUE|
|Stages of Heating||Two-Stage|
|Quiet Operation||SilentComfort™ Technology and Sound Absorbing Insulation|
|Enhanced Humidity Control|
|Air Filter and Humidifier Compatible|
|Ultra-Low Continuous Fan|
|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.