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GMES80

  • 80% AFUE Performance
  • Single Stage heating with Multi Speed motor
Liberty 80% AFUE Gas Furnaces
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*Complete warranty details available from your local dealer or at www.libertyhvac.com. To receive the Lifetime Heat Exchanger Limited Warranty (good for as long as you own your home), and 10-Year Parts Limited Warranty, online registration must be completed within 60 days of installation. Online registration and some of the additional requirements are not required in California or Quebec. The duration of warranty coverage in Texas and Florida differs in some cases. For a full description of the warranty coverage, please download the product warranty below.

Product Features+

  • Single Stage heating with Multi Speed motor
  • Stainless-Steel dual-diameter tubular heat exchanger
  • Durable hot surface mini-igniter
  • Electronic control board

Outstanding Limited Warranty Protection+

If the heat exchanger ever fails in this unit, the original registered owner will receive a new heat exchanger. This unit is also backed by a 10-Year Parts Limited Warranty*. For a full description of all warranties applicable to this product, please review the consumer brochure and warranty certificate by clicking on the specified links.


This gas furnace has an AFUE rating of 80%, which means that 80 cents of every $1.00 of heating energy expense warms your home.

Energy Consumption

Before purchasing this appliance, read important information about its estimated annual energy consumption, yearly operating cost, or energy efficiency rating that is available from your retailer.