Forum Discussion

Buzzcut's avatar
Buzzcut
Explorer
Mar 21, 2019

Much of a difference between 13,500 or 15,000 BTU A/C?

I’m getting ready to add a second A/C to our t/t that came equipped with a 15,000 Dometic unit. It worked fine but it did get a little warm last summer when we went away for two weeks. Looking to eith...
pianotuna's avatar
pianotuna
Nomad III
Mar 21, 2019
The 15 K is 10% more cooling. I'd stay with the 13500. I would use #10 wire for the install. I'd even consider dropping the size down to 11000 btus. I'd also consider a heat pump unit.

In many older campgrounds the pedestals only have 15 amp "additional" outlets. That makes running the 15k unit "iffy".

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