Goodman Furnace Blowing Cold Air

When overheating your furnace can trip a high limit switch causing the furnace burners to shut off so that the heat exchanger does not crack. Check the furnace s air filter. I have a goodman furnace and it blows cold air only.

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Regular maintenance can prevent hvac problems like your furnace blowing cold air many of the causes of furnace problems can be prevented with regularly scheduled cleaning and maintenance.

Goodman furnace blowing cold air. Check to see if it is and try these solutions. If the pilot refuses to light ensure that gas is flowing into the furnace. I did a continuity test of the pressure regulator switch and it tested bad open. If the flame stays on great.

According to the blinking light dtc codes. A dirty air filter blocks airflow over the furnace s heat exchanger causing it to overheat. 3 blinks bad pressure switch regulator. Auto ensures that the blower will run only when the furnace heats the air.

I have a goodman furnace 95 then the will blow heat then. Relight the furnace pilot light. If you haven t done that yet this winter call in an hvac service expert to keep your system in top shape and prevent unexpected failures. 3 pilot light is out if your gas furnace is only blowing cold air then the pilot light may be out.

Your furnace may be blowing cold air because the filter is too dirty. I have a goodman furnace 95 then the will blow heat then reaches temp and fan blow continuously cold air. Gas and oil home heating furnaces goodman furnace blowing cold air i have an 8 yr old goodman gms9 warm air furnace that for the past 4 weeks has been blowing cold air intermittently. Furnace or heater is blowing cold air step by step diagnosis and repair duration.