Full time 5th Wheel living in Phoenix in the summer

Thanks for the tips. I've pretty much exhausted my search about tips and tricks to reduce the heat. What I'd really like to know is what brand 5th Wheel you have that's made your living in the valley a reasonable venture.
Reason being, we want to buy a 5th Wheel and make Mesa, AZ our full time home until we retire and can snowbird. We've still got a few years left to work.