Economical, standard-efficiency gas furnace

Enjoy the exceptional comfort that comes with reliable Lennox® engineering. The ML180's durable, high-quality design ensures long-lasting performance. And with an efficiency rating of 80% can save you in energy costs, especially compared to an older furnace.
Efficiency rating of 80% AFUESealed blower compartment
Efficiency rating of 80% AFUE can save you hundreds of dollars each year compared to older furnaces.
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Sealed blower compartment minimizes losses and maximizes efficiency and comfort.
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The ML180 Gas Furnace At A Glance:

Energy Efficiency

    • Efficiency rating of 80% AFUE—can save you hundreds of dollars each year, compared to older furnaces
    • Dual-fuel capability—can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs

Performance

    • Duralok Plus™ heat exchanger—made of high-quality, patented ArmourTuf aluminized steel
    • Hot surface igniter—controls furnace operation to ensure reliable, efficient performance