We used a 5k window unit in a 30ft trailer in the bedroom which made a huge difference in the whole trailer,maybe a little cold in the bedroom,but a nice place to cool off..I used it in the escape Hatch....
I now use it in my truck camper sliding window and it cools the whole TC nicely and at 330 watts with the compressor running..I have used it with a 1000 watt psw inverter and it works well to cool things off... Now with 400 watts of solar I'm going to run it or try to,all off the battery when it gets warm enough..We will see how that goes..
At 39lbs it's easy to put in and out but a mounting system as mentioned above would be nice..