|Energy Efficiency||80% AFUE|
|Stages of Heating||Single-Stage|
|Quiet Operation||Steel Cabinet|
|Motor||Power Saver™ Constant Torque|
|Air Filter and Humidifier Compatible|
|Ignition||SureLight® Hot Surface 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 ML180E Gas Furnace
Mid-Efficiency Gas Furnace.
The ML180E’s Power Saver™ constant torque motor adjusts airspeed based on demand, helping the furnace use less energy in both heating and cooling modes. The ML180E has an AFUE of 80%, which means that 80 cents of every dollar spent on gas goes directly to heating your home.