Goodman GMVC8 Furnaces

Goodman GMVC8 Furnace Overview

The Goodman GMVC8 is a two-stage, variable-speed gas furnace with an efficiency rating of up to 80% AFUE. It is designed for multi-position installation — upflow, horizontal left or right — and has convenient left and right gas and electrical connections. The unit features a heavy-duty aluminized-steel tubular heat exchanger for optimal durability and heat transfer, and a two-stage gas valve which provides better efficiency than a single-stage valve. The GMVC8 is ComfortNet Communicating System compatible and uses ComfortNet communication two-stage or single-stage thermostats. A self-diagnostic control board continuously monitors the system and features memory fault code system output and a dual 7-segment display. The unit's heavy-gauge steel cabinet with baked enamel finish is fully insulated to reduce heat loss and operating noise.

Furnace Filters for the Goodman GMVC8

Air Flow Configuration Cabinet Width Filters
Upflow 17-1/2" 1 14x25x1
(bottom air return)
1 16x25x1
(side air return)
Upflow 21" 1 16x25x1
(side air return)
1 16x25x1
(bottom air return)
Upflow 24-1/2" 1 16x25x1
(side air return)
1 20x25x1
(bottom air return)

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Consumer Reviews of Goodman GMVC8


  • Very Satisfied
  • Somewhat Satisfied
  • Neutral
  • Somewhat Unsatisfied
  • Very Unsatisfied
  • #13 of 23 Goodman Furnace
  • 0% of customers recommended

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Goodman GMVC8 Furnace Reviews

"Very Poor Quality"

1.0 rating
Very Unsatisfied

I have owned my furnace for a little under three months now. I like that it does not make much noise, but I do not like that it does not heat up my studio very well. I can hear it running but it never seems to reach the bedroom area. The heat never seems to come out no matter how high I turn it up to. I will not be buying another furnace this like one again, or another one from this brand. I would not recommend to a friend either. I want a furnace to heat up my tiny studio during the below 30 degree weather at night, but this one fails to do this. I have had it inspected and they said that it is just the way the furnace is, but I have had previous furnaces and they all worked better than this one. I am very disappointed with this furnace and will be purchasing another one from a different brand next winter.

Reno, Nevada

Other GMVC8 Reviews

On is a post from a homeowner whose GMVC8 was not working properly. He was advised by members on the site that it was most likely installer error having to do with the wiring of the thermostat and control board. A homeowner on asked for opinions on choosing between the GMVC8 and a comparable Lennox unit. The majority of members on the site recommended the GMVC8, although there were a couple of comments regarding how loud the unit is.

GMVC8 Warranty

Online product registration is required within 60 days of installation for maximum warranty coverage. The Goodman GMVC8 furnace warranty is comprised of the following:

  • 10-year unit replacement heat exchanger limited warranty
  • Lifetime heat exchanger limited warranty
  • 10-year parts limited warranty

Labor costs are not covered by the warranty.

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