I have a dual-hose portable AC, because my landlord sucks and won’t install something sensible like a mini-split. My biggest complaint is that the only mode that sucks in outside air relies running the inefficient and expensive AC. I’m in SoCal, so no cheap electricity for me. If I had the option I’d 100% rather install solar, but as a renter that is definitely not an option.
That said if I was purchasing one, I’d buy the one recommended by TheWirecutter. It uses a dual hose-in-hose design and is more power efficient than most models.
A version of that is on sale in the US from Sam’s Club for $375.
It has a PWA option, which is pretty cool too!