|Energy Efficiency||80% AFUE|
|Stages of Heating||Two-Stage|
|Quiet Operation||Steel Cabinet with Sound Absorbing Insulation|
|Air Filter and Humidifier Compatible|
|Ignition||SureLight® Silicon Nitride Ignitor|
|Parts Warranty||5-Year Limited Warranty on covered components. This product may be eligible for valuable 10-Year Limited Extended Warranty coverage with product registration.|
|Heat Exchanger Warranty||20-Year Limited Warranty|
Lennox EL280 Gas Furnace
Two-Stage Gas Furnace.
The EL280 can adjust the size of its flame based on heating demand, allowing it to fine-tune your comfort and your energy savings with greater precision than a conventional furnace.