The only concern would be with a very tall door warping. I like the middle option, how tall is that door? I don't think small doors very high up are...
It is just a simple switch, I believe they are called double throw center off. Any electrical supply house should have one or you could even buy one...
Most, if not all of the Midea window units are inverter based like a mini split and are very efficient. Some also provide heat. (the one my daughter...
The day went well though one niece got there before me and for as pristine as I left it some very large bird maybe a condor or some prehistoric beast...
In home refrigerators humidity controls exist so produce does not dry out too fast. No idea if they really make any difference or are just a selling...