Most campgrounds have quiet time when you can’t run the generator, you should find out what those are for your campground. You may find that you can only use it during the middle of the day when you are off doing other things. If you want a quiet generator buy a Honda, but even that won’t matter if you can’t run it due to park rules.
If you will be parked in the open, you should invest in some mesh sunscreens to keep the sun off the TC as much as possible. Open windows with roof fans actually do a pretty good job and keeping the TC from getting very hot.
Do replace your conventional bulbs with LEDs that give off less heat. Cook outside when possible. I find a grill works for us in hot weather.
Finally, plan on what to do if you are blocked by a wild fire.