MRCOOL Signature Downflow 80% AFUE Furnace MGD80SE090B4A 001 - 35 Since this furnace is both

Since this furnace is both AHRI certified and ETL listed

the coil is corrosion-resistant for long-lasting durability

Backed by a 10-year warranty

affordable

Quiet operation

MRCOOL Signature Downflow 80% AFUE Furnace MGD80SE090B4A 001 - 35 Since this furnace is bothMRCOOL Signature Downflow 80% AFUE Furnace MGD80SE090B4A 80% AFUE 4 Ton 90,000 BTU Downflow Multi Speed Gas Furnace When harsh winter weather strikes, nothing compares to the warmth and safety a powerful reliable gas furnace can provide. While furnace heating technology has been around for decades, not all systems are created equally. Some are definitely better than others. One of the best on the market is the MRCOOL single stage, 80% AFUE gas