So we have the 2016 sandpiper, it came with 2 ac units, 15000btu. One in the front living area which is over the truck bed, and one in the back master bedroom. We are currently in corpus christi, T...
I had to camp in 105 degree weather for a week. What I found was I could keep the RV at 72 degrees with a single 13,500 btu A/C.
I found a camping spot that was shady during the afternoon. covered all windows with insulated material. Made sure the door was minimal opened during the heat of the day. Kept a fan going for circulation.