I guess first off are you plugged into shore power, and if so is it 50 amp assuming your rig is set up for 50. You say that cold air is coming out but not cooling the coach, take a thermometer and get a reading at the cold air vents. It should read somewhere around 20 degress colder than inside air temp. You may be low on Freon and may need to have that checked.
The electric heat is the ac working backwards, do you get warm out of the same vents as the cold air? If you are getting warm air out of the floor vents then the gas heat is on along with the electric heat. Once the temp. gets to the point where the elect. can keep up the warm air will come out of the ceiling vents.
Just a side note, welcome the forum. It would be helpful for you to put what coach you have in the sign. part profile so we know what you have. Its a big help.
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07 Meridian 36G
Roadmaster tow dolly
Great Wife!! & Max the Frisbee chasing dog.
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