The AC box itself is very pretty and SUPER quiet. The installation guide isn’t reaaally well suited to windows with storm windows, but with some shims we made it work. It would also be nice to get a little more insulation. We used a couple extra towels we had lying around to get things really insulated. 

All that said, the real reason i’m giving this 4 instead of 5: it doesnt turn off on eco mode, even when the room is 10 degrees colder than what it’s set to. Its temperature gauge will even show that it’s well below the threshold, but it wont shut off, not even intermittently. Not very ecofriendly or energy bill friendly :(