But are we really worried about efficiency in 110VAC? That’s kinda like switching the running lights on your camper to LED because you think it’ll save your battery…
Anyway here’s an article that talks about the compressor. From everything I understand it’s a whole lot more efficient any which way opposed to absorption.
https://www.rvtravel.com/rv-electric...ng-compressor/
I’m not saying the dorm fridge isn’t feasible. Heck if you can make it work, I’m on board. I like saving money as much as the next guy.