I have a 31 foot bunk house with a full wall slide out and a 13500 BTU air unit. I have checked the inlet and outlet of the unit and I get a good 20 deg. difference but my RV stays about the same as t...
The CORRECT answer is-----your trailer is TOO LARGE for any (13.5 or 15k) AC unit to cool in HOT temps. You need a 2nd unit and will have to get a dedicated 2nd 30 amp cord and breaker box to run it. Doug
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