GMEC80

80% AFUE Performance
Two stage heating with Multi Speed motor


Liberty 80% AFUE Gas Furnaces
LIB-LftmHtExLmtdWarr LIB-10YrUntReplLmtdWarr LIB-10YrPrtsLmtdWarr

* 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),
10-Year Unit Replacement Limited Warranty and 10-Year Parts Limited Warranty, online registration must be completed within 60 days of installation. Online registration is not required in California or Quebec.

** Can no longer be installed in California’s South Coast Air Quality Management District (SCAQMD) on or after October 1, 2019.

Product Features+

  • Two stage heating with Multi Speed motor
  • Dual-diameter tubular heat exchanger
  • Multi-speed blower motor
  • Self-diagnostic control board
  • Durable silicon nitride igniter
  • Two-stage gas valve
  • Quiet, multi-speed airflow system
  • Fully insulated heavy-gauge steel cabinet

Outstanding Limited Warranty Protection+

The heat exchanger on this furnace is covered by a Lifetime Limited Warranty to the original, registered homeowner and if it fails during the first 10 years of ownership, we will replace the entire unit. This furnace also has a 10-Year Limited Parts Warranty on all functional parts.


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.