Goodman 80% AFUE 40,000 BTU 2-Stage Low NOx Gas Furnace - Upflow/Horizontal

Goodman SKU: GM9C800403AX

Ready to Ship - Average Delivery Time of 1.85 Days

Goodman 80% AFUE 40,000 BTU 2-Stage Low NOx Gas Furnace - Upflow/Horizontal

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Save $236.13

Retail price:Wholesale price:
Wholesale price$1,416.74 Sale price$1,180.61

As low as $29.22 per month


The Goodman brand provides energy-efficient, reliable, cost-effective heating and cooling units for homes and businesses. Goodman takes great pride in its production of quality HVAC equipment, which in turn leads to satisfied, repeat customers. Goodman offers the best warranty on products that have been tested and re-tested for quality assurance.

Goodman HVAC units are designed, engineered, and assembled in the USA.


  • Two-stage gas valve provides quiet, economical heating
  • Efficient and quiet multi-speed ECM circulator motor
  • SureStart® Silicon Nitride igniter designed for long igniter life
  • Self-diagnostic control board
  • Low constant fan speed circulates air throughout the home
  • Quiet, two-speed induced draft blower
  • Fully insulated, heavy-gauge steel cabinet with durable baked-enamel finish
  • Removable bottom for side- or bottom-return applications
  • Convenient left or right connection for gas/electric service


This unit comes with a lifetime heat exchanger warranty and a 10-year replacement warranty on the unit. If the heat exchanger fails within ten years, you get a new furnace. There is also a 10-year parts warranty.



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