• 8130 Valcour Ave.    •    St. Louis, MO 63123
Serving the St. Louis Area
Lennox
Products

Merit® Series

ML180 Gas Furnace

Download:
Specification Manual


Overview:

Economical, standard-efficiency gas heating

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Here are some of the top features of the ML180:

Efficiency rating of 80% AFUE can save you hundreds of dollars each year compared to older furnaces.

Sealed blower compartment minimizes losses and maximizes efficiency and comfort.

Reliable Performance

  • Duralok Plus™ heat exchanger—made of high-quality, patented ArmourTuf aluminized steel
  • Hot surface igniter—controls furnace operation to ensure reliable, efficient performance
  • 20-Year Limited Warranty on heat exchanger
  • 5-Year Limited Warranty on covered components
  • This product may be eligible for valuable 10-Year Limited Extended Warranty coverage with product registration.

*Price Guide: $

*The dollar signs represent the general price range for the product. Actual prices are determined by individual dealers and may vary.

To find a dealer in your area, enter your zip code at the top of the page to see a list of local dealers. Products cannot be purchased onlin

Energy Efficiency (AFUE): 80

AFUE Stands for Annual Fuel Utilization Efficiency. The AFUE number represents how efficiently a furnace converts fuel to energy. The higher the AFUE percentage, the more energy-efficient or fuel-efficient the furnace. The U.S. government’s established minimum AFUE rating for a furnace is 78 percent.

  • 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
ahri Certified csadc Certified dualfuel Certified good-housekeeping Certified