Also make sure all of the supply vents are open and the return air grilles are all clear and unobstructed.
Goodman electric furnace blowing cold air.
If your furnace fan is set to on the fan runs continuously whether or not your furnace is producing heat.
My brother s furnace started blowing cold air one on of the coldest days of the winter.
This will prevent the exhaust from escaping and cause your issue.
The furnace is blowing out cold air and i am not sure if the problem is simple as a flipping a switch or something more c read more.
This video shows step by.
I have an electric goodman furnace and hvac that was installed this past year.
Have an expert inspect your ducts along with the furnace.
He called me over to help repair his system.
If your furnace starts blowing warm but then quickly turns cold the flame sensor may need attention.
So once a heating cycle ends and the furnace burners cut off the fan continues to blow.