Buying our first camper and have a AC question

DiskDoctr wrote:
2017 Starcraft Launch 17 specs page

Under Standard Interior Features it lists a 13,500 BTU A/C, which in turn raises the question as to why the OP says this particular unit would have a much smaller wall mount. :h Heck, this single axle trailer is also only a couple feet shorter than our friends' dual axle Starcraft Launch 21FBS.