Lennox SL280V Gas Furnace MD | Congressional HVAC

Energy Efficiency | 80% AFUE |
Stages of Heating | Two-Stage |
Quiet Operation | SilentComfor™ Technology and Sound Absorbing Insulation |
Motor | Variable Speed |
Enhanced Humidity Control | ✓ |
Blower Compartment | Insulated |
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 |