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...
Forum Discussion
28 foot unit should have 2 AC units in hot climates. Going to a 15k will give you about 15% more cooling capacity. I would go the 15k route first and then keep the 13.5 as a spare if I decided to add a 2nd unit. Doug
