Ok, we bought our first 5th wheel this year and are a little perplexed by an air conditioning issue. Its a 2015 Jayco 339FLQS. Front living room. It came with a single 13.5K air unit. Mounted just sli...
What is the outside temperature when you are experiencing this problem? It may be the case that one 13.5 AC unit is not enough for a unit 38 Ft in length with four slides in 95 degree temperatures. We have 2 AC units and on those really hot days both units work to bring down the interior temperatures to tolerable limits. To get it real cool keep all window shades close.