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GOODMAN GMNT Furnace
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Read more about GOODMAN Furnaces
The Goodman GMNT series is a multi-position gas furnace operating with a 92.6 AFUE.
The 5 different models within the series can be installed in an upflow, downflow or
horizontal position.
This Energy Star approved unit features a four speed blower motor, corrosion-resistant
secondary heat exchanger and offers vertical or horizontal venting options. A durable,
insulated steel cabinet wraps around the unit for increased protection.
The units come fully assembled and can be installed for direct vent (2 pipe) or non-
direct vent (1 pipe) installation.
Goodman also offers optional L.P. conversion kits and concentric vent kits for the
GMNT series.
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Consumer Reviews of the GOODMAN GMNT
Date created: 2012-03-27
Name: Rob
Location: Rochester, NY
Years owned: 7
Satisfaction Rating:
Very Satisfied
Review:
"Excellent Furnace"
In the 7 years I have had this furnace, the igniter was replaced once. It works excellent and provides an even heat. Save about $150 a month during the heating season. And yes I installed it myself. I had a heating contractor check it our before start up. I would not hesitate to purchase another Goodman.
Date created: 2012-03-02
Name: S. Freestone
Location: Minburn, Ia
Years owned: 7
Satisfaction Rating:
Very Satisfied
Review:
"Not a single problem"
Installed this furnace 7 years ago and haven't touched it since. I just change filters and make sure the flame is blue and it hasn't let me down. Correct installation is key for any furnace. Sounds like too many of the reviews here are from improper installation!
Date created: 2012-01-28
Name: DL Perle
Location: Salem
Years owned: 8
Satisfaction Rating:
Very Satisfied
Review:
"Flooded yet still keeps on working"
I have been flooded 3 times and the goodman furnace has come thru that working after getting it dried out. My money is on my goodman.
Date created: 2012-01-21
Name: Al McClelland
Location: Riverton, WY
Years owned: 7
Satisfaction Rating:
Very Unsatisfied
Review:
"Al"
This Goodman two stage furnace would quit twice every winter. I would service the unit spring and fall but have had nothing but trouble with the unit. We have been without heat in January for two weeks now because the furnace keeps blowing mother boards. We are currently getting bids for a new furnace and it will not be a Goodman. All my relatives go with Trane units and have had little to no problem with them. January is cold in Wyoming. This unit is gone!!!!!
Date created: 2011-06-14
Name: Brad Werts
Location: Lincoln, NE
Satisfaction Rating:
Very Satisfied
Review:
"Mechanica lContractor"
I have been a heating contractor for 30 years and I have installed many equipment manufacture brands over the years, all brands have some problems... most equipment failures are due to poor installations and owner neglect...any brand would fail if installed in that condition. I have installed Goodman high efficient Goodman equipment in my house and many of my customer homes. We have 24 hr service and mose of the after hour service calls are due to lack of normal maintenance.
Date created: 2011-05-23
Name: arif
Location: Edmonton , ab
Years owned: 9
Satisfaction Rating:
Very Unsatisfied
Review:
"bad furnace this wouldnt be my next brand"
since year 1 we have had problems with it the igniter would just die after 3 time the company must have done something but not very happy with the product
Date created: 2011-01-27
Name: daurio
Satisfaction Rating:
Very Unsatisfied
Review:
"Stay away"
I have two Goodman furnaces installed in my house. Model gmnt-080 and gmnt-120. These units were inexpensive compared to other units (Carrier, Trane, Bryant etc.). I thought the warranty on these units was better than the other units and decided to have them put in my house. Every year since I have had a problem with one of the units. Both units needed to have the Hot Plate igniter replaced $75 + labor. I had one circuit board blown and now the gas exhaust fan is needing repair 300+. Stay away from these unless you plan on selling your home shortly after.
Date created: 2008-01-27
Name: Andrew W.
Location: Indianapolis
Years owned: 6
Satisfaction Rating:
Somewhat Unsatisfied
Review:
We have a Goodman GMNT 120-5, with a professional annual service contract. So far we are on our fourth blower motor, the ignition system broke once, the flue collector box kit cracked and the unit, specifically the vent motor, is very noisy. Despite having a humidifier from General Aire attached humidity control in the house is basically none existent. We are planning to replace the unit this year with a different brand.
Other GMNT Reviews
While many consumers on HVAC forums express their disappointment with Goodman
products, very few pinpoint the GMNT as the source of their problems. Based on
reviews on city-data.com and askmehelpdesk.com, Goodman furnaces have a
reputation of being prone to repairs and needing frequent service.
Additional forms found on talkair.com and redflagdeals.com highlights the affordability
of Goodman products and the GMNT. Homeowners and HVAC contractors note the
unit offers a high level of comfort and increased efficiency for a lower price point.
Contributors also added the model is backed by a solid warranty.
GOODMAN GMNT Model Numbers
The GMNT is available in different models which vary in efficiency and capacity.
| Model Number | AFUE | BTUs per Hour |
| GMNT040-3 | 92.6 | 40,000 |
| GMNT060-3 | 92.6 | 60,000 |
| GMNT080-4 | 92.6 | 80,000 |
| GMNT100-4 | 92.6 | 100,000 |
| GMNT120-5 | 92.6 | 120,000 |
GMNT Warranty
Goodman offers a limited lifetime warranty for the heater exchanger and a 5-year limited
warranty for all parts. In order to receive this warranty, homeowners must register their
product at goodmanmfg.com within 60 days of purchase.
