Efficiency Rating (AFUE) up to 80
Warranty 20-Year Limited Warranty on Heat Exchanger. 10-Year Limited Warranty on covered components.
While most furnaces are either off or on, the SL280V can actually deliver two different levels of heat based on how cold it is outside. This lets it fine-tune fuel use to carefully match your comfort, keeping your home warm and energy-smart.
|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|