We have given a 3 stars as although the apartment is clean and in a great location - upon arrival the air conditioning did not work at all. Being in Milan in the middle of summer with a flat with no air conditioning was a very uncomfortable experience, and it seriously affected our stay. Our hosts provided us with a refund though, to show they understand our problem and show their professionalism. Please ensure that if you advertise a flat in such hot conditions as having air conditioning - make sure it works for your guests! Thank you.