Merit Series®: ML180 Gas Furnace

Merit Series®: ML180 Gas Furnace

*Economical, Standard-Efficiency Gas Heating*

ML180 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.*

Features & Benefits

Energy Efficiency:

  • Efficiency Rating of Up To 80% AFUE: The AFUE number represents how efficiently a furnace converts fuel to energy. The higher the AFUE percentage, the more energy- efficiency or fuel- efficient the furnace. The U.S. government’s established minimum AFUE rating for a furnace is 78 percent. With an AFUE as high as this product, you can save over $800 per year, compared to standard 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


Reliable Performance

  • Duralok Plus™ Heat Exchanger: made of patented ArmorTuf™ steel to ensure high reliability and efficiency
  • Hot Surface Igniter: Controls furnace operations to ensure reliable, efficient performance



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