The Goodman GMV8 is a variable-speed gas furnace with integrated controls for activating and monitoring diagnostics and an energy-saving hot surface ignition system. This furnace is rated an AFUE up to 80%. It is a two-stage heater. The design of the Goodman GMV8 Furnace is CSA certified.
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Other GMV8 Reviews
Comments on HVAC-Talk message boards and heating contractor sites offer several different opinions regarding the Goodman Furnaces:
In one hvac-talk.com forum, a service tech writes that Goodman, like Amana, runs well and without any trouble whatsoever. He goes on to say that the company he works for favors working with Goodman over Lennox.
In another hvac-talk.com forum, a few people say Goodman units have erratic control response. The problem is not even corrected when a new board is installed, which could be due to poor design or installation of the initial wiring.
In another hvac-talk.com forum, other posters say their main complaint about Goodman is that the units don't last very long.
In yet another hvac-talk.com forum, another service tech at HVAC-Talk claims Goodman units generally receive unfavorable support from professionals, but many residential buyers are satisfied with them.