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...
Cold air drops like a rock. Anything you can do to push cold air up and/or suck the hot air off the ceiling would help, but you definitely need more A/C as well.