Here's one of my problems with the 150. Yes it may be fine for the company you're looking into. But if you leave that company for any reason are you going to be able to sign on and get the same size loads as someone driving a 250 high and long?
If you buy a 250 you have options
I always just used fans and a battery bank which was fine for me(lived in florida all my life).
That probably doesn't work for you so your next option would be a generator and an ac unit.
Delivered from bennington vt to Talladega al 1100 miles at 11am today. Been napping. Was hoping for a weekend load. 2150 miles this week. Hopefully get loaded in the morning
Picked up in Dayton Ohio yesterday 2pm. Arrived in Rochester about 1am. No receiver until 6am(napped until then) unloaded and at the pilot. Gonna get a few zzzzzs
when i flew through the profile i threw sprinter on, i generally use the word "sprinter" for any type of sprinter type cargo van. Good looking out though, i'll get it changed.