Location is very good, easy to reach but also not on the main street. Quiet at night. There is a "Do not disturb" and "please clean" button on the inside with a light-indicator on the outside. The AC does it's job but keep in mind there will be water condensation near the window on the floor due to climate/temperature reasons. The AC didn't leak (as other reviews stated).
Personal was always friendly.
The mattress was very hard, but also very comfortable. The curtains can make the room go full dark.
There are only really some small negative things i could think of, which didn't bother me much, but could bother you:
1) The light in the bathroom when looking at the mirror is so dark, you can't really see any details in your face (I wasnt able to shave, because I didn't see)
2) Not sure if I was just unlucky, but the door doesn't block much noise. If a person is talking or moving a trolley at the hallway, it feels like it's next to you.
3) The power-sockets are multi-sockets (EU and UK worked, probably works with others aswell). This would be a very positive thing, but the sockets were so loose, my wallplug just didnt hold in place and therefore couldnt make a constant connection. Some sockets to offer USB-A tho!
All in all, I can recommend this place.