Mach 15 a/c not cooling well
I have a 2020 travel trailer with a coleman mach 15 in a 33ft travel trailer, with 2 bedrooms. In the back bedroom I have a portable a/c with the door shut, that room is no concern to me other than it...
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I predict it's the trailer and not the A/C. I've had many trailers and they all were hot in the summer.
