Considering your requirements, I would say to go ahead for a Frost free model. I have a Damro Frost free which I've purchased in 2017. No issues so far. Energy efficient, Silent and hassle free.
Bought a Panasonic Aero Series 13000BTU (CS-S13TKH) from Damro in June 2019 after reading a lot of AC threads and talking to some people who own a Panasonic.
-Buying from Damro is expensive, but their after-sale services are outstanding. (I usually avoid Singer and Abans due to poor customer...
I have no experience of administering that model, but I have been using some Kyocera machines and they are pretty good enough. But as far as i know, spare parts are not freely available.