Do you, or anyone service Coleman Popup A/C's, our is a 89 Coleman Chesapeake, I think it is the Original Unit, unit seems to Work & Blows Good, it just dosen't seem to be blowing really cold, Thinking Maybe it is low on Freon? How much to Charge a unit?

You might try and find a Heating and Air company that will work on them. The RV A/C's are a sealed unit and you have to tap the line if you want to add coolant. This only works for a year or two and you will need to redo it them. If you purchase a new unit it would run around $600.00

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