1. Jeffrey Bennett

    Goodman GDT090-4B

    Looking for advice. My Goodman GDT090-4B furnace is not operating consistently. Sometimes it will not light and display a single flash error code. Sometimes it will light and run for a minute or two then the flame turns off and it will display a single flash error code. According to the manual...
  2. Faderus

    Replacing everything with Navien combi unit

    Hi all, thanks in advance for the input. I live in Poughkeepsie, NY and am looking for some input. I have a 1960 Split Level 1800 square ft house which is getting a complete HVAC system replacement. We have spray foamed the roof deck and the envelope around the garage (6-8" open cell foam)...
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