We stayed in Beatrice's apartment for 3 nights during a very hot July. We enjoyed the location of the apartment quite a bit: about a 10-15 minute walk from the train station, the apartment was on a side street, and in a location that was away from the large amounts of tourists, which meant that it was nice and quiet at night. The bed is comfortable if you like a stiffer mattress.
As mentioned earlier, we stayed during a very hot summer week. Unfortunately, there wasn't a lot of ventilation in the apartment, there is a ceiling fan in the bedroom and windows, but that's about it. Also, because of the heat, once in a while the apartment would start to smell like sewage, which was probably just because of the heat.