Benefits & Features

Comfort Made Simple

MRCOOL® 2nd Generation Signature 80% AFUE Gas Furnaces

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Reliability Guaranteed

10 Year Parts / Lifetime Heat Exchanger Warranty

The 80% AFUE gas furnace comes with a Standard 5-year limited parts warranty, an additional 5-year limited extended parts warranty, plus Lifetime heat exchanger. Warranty must be registered online within 60 days of installation to qualify for the extended coverage.

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LP Conversion Kit

Natural Gas to Liquid Propane

Conversion kits are available to convert your MRCOOL furnace from natural gas to liquid propane.

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Air Flow Options

Upflow/Horizontal & Downflow

MRCOOL Signature series 80% AFUE gas furnaces are available in two airflow configurations: upflow/horizontal (MGM80), and dedicated downflow (MGD80).

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MGM80 Installation Manual go to MGM80 Installation Manual
go to MGM80 installation manual
MGD80 Installation Manual go to MGD80 Installation Manual
go to MGD80 install manual
Signature 80 AFUE Furnaces Brochure go to Brochure
go to brochure
MGM80 / MGD80 Specifications go to User Manual
go to user manual
Warranty Document go to warranty document
go to warranty document
Manuals for previous generations
NOTICE: MRCOOL® products must be installed in accordance with all applicable local, state and federal codes and regulations.   Unless explicitly stated otherwise, installation must be completed by a licensed / certified HVAC technician.   ALL electrical connections to a power source must be performed by a licensed electrician and comply with local, state and federal electrical codes and regulations.

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