I just installed two new rooftop AC units on our coach. The basement AC unit still works but not as efficient as it used to be. They don't make this unit anymore so it might be handy to one of our Barth friends for parts.
It's big, heavy and best of all free if someone wants it.

Ed

I did the same years ago. Got a big storage bay by pulling out the old AC

Your right about the space. I plan on carrying a spare 3000 W generator there instead of in one of the under storage bays.