Goodman GMH9 Furnace Overview

The Goodman GMH9 furnace series name is discontinued; the unit was replaced in 2007 with the GMH95, which appears to be similar, if not the same, as the GMH9. The GMH9 achieves a 95-percent AFUE rating, and is a multi-speed and multi-position unit. This furnace is a two-stage gas unit, and the installer can turn on the two-stage valve with a switch. The GMH9 furnace comes equipped with a diagnostic control board to assist with maintenance. The unit features an aluminized heat exchanger and a low-speed constant fan.

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Consumer Reviews of Goodman GMH9


  • Very Satisfied
  • Somewhat Satisfied
  • Neutral
  • Somewhat Unsatisfied
  • Very Unsatisfied
  • #8 of 23 Goodman Furnace
  • 36.36% of customers recommended

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Goodman GMH9 Furnace Reviews

Showing 11-11 of 11 reviews

"Goodman funaces suck!"

1.0 rating
Very Unsatisfied

I bought a new supposed 95% efficientcy furnace and have only had it operational for one winter, well, kind of, it hasnt operated for more than a week! The Model number is gmh950453bx. This funace sucks! I spent about 10,000 dollars putting it in. My dad just replaced his and his was installed in the 1970’S. wtf?!

Other GMH9 Reviews

A homeowner, who owns a Goodman GMH furnace, writes on about a noise his unit is making. An expert answers that it sounds like the motor mounting may be loose, especially if the furnace was installed horizontally. The homeowner seems to agree that this could be the problem; it is not considered a major repair job.

A potential GMH customer asks for advice on The post states that a contractor wants to install a Goodman GMH furnace in the customer's 1,200-square-foot home. One expert responds that the particular model the customer is mentioning would probably be too large for that size home.

Another potential customer asks for advice about the Goodman GMH furnace on The online experts answer that these furnaces provide comfortable heat for an affordable price. They do mention that the two-stage heating cannot be controlled by the thermostat, so the run cycles for the heat are not very long.

Goodman GMH9 Model Numbers

The GMH9 is available in different models which vary in efficiency and capacity.

Model Number AFUE BTUs per Hour
GMH950453BX 95 46,000
GMH950703BX 95 69,000
GMH950704CX 95 69,000
GMH950904CX 95 92,000
GMH950905DX 95 92,000
GMH951155DX 95 115,000

GMH9 Warranty

Goodman offers a 10-year limited warranty on parts for the GMH furnace. The heat exchanger carries a lifetime limited warranty. An extended warranty is available for purchase for customers who desire additional warranty protection.

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