just a thought
but if you want auto start for A/C
you are not going to save much fuel over letting the genny run
the A/C is not going to cycle on for 15 minutes per hour
you are in a closed box, if you need A/C its going to run and compressor OFF time is going to be LESS than compressor ON time
and the fan needs 110v to stay on, or the head pressure and start up load for the next cycle is going to be very rough
auto start can be a life saver for pets, elderly, and your batteries
but i dont think its an efficient fuel save option for A/C use