What are my heating and ac options for an RV?

I would love to spend a good portion of my retirement time traveling the country and camping in as many state and national parks as possible. I haven’t been west of the Mississippi River and I want to change that. However, it’s not easy camping in a tent in every single region of this country, especially when there is extreme weather in winter time and summer. I didn’t mind doing this so much when I was young, especially with my friends in my 20s. But as I’ve gotten older, I don’t respond as well to sleeping on the ground as I’ll wake up with poor back and shoulder pain. While I still want to see campgrounds and walk through hiking trails at sunset, I’d much rather stay in an RV than sleep in a tent. You can have a little bit of everything you need in an RV, especially if you have one with a bathroom. However, they vary greatly in terms of what features are included in one model versus another. If I’m going to spend a large sum of money to get an RV, I want one with a good heating and cooling system. I don’t want to be limited to only traveling in the Springtime or Fall when temperatures are cool and mild. There are some certainly gorgeous locations in the northwest that are best explored in the summer season when temperatures are high and one is in need of a strong cooling system. That’s why the RV definitely needs a good a/c plan inside. Likewise, I also want an RV with a good heating plan inside so I can stay comfortable if I’m traveling in the winter time or during certainly cold Springtime or Fall weather.
Heating and cooling equipment