13.5 to 15?
2002 Keystone Cougar 278EFS (5th wheel) - about 28' long. I serviced the A/C this spring before it got hot. It has now got HOT. I have a 13.5K BTU original Dometic ducted with thermostat. If I cam...
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I upgraded from 13.5 to 15K and though it helps a bit. Still HOT
