We enjoyed our stay in Bruno's apartment. The location is unbelievable. As others have said you are very close to all the important sites yet off on a lovely side street with leather shops and restaurants. In fact we had a great meal at the restaurant right across the street. The apartment is spacious and cheerful and we were so glad to have amenities such as an elevator in the building, two bathrooms and the washing machine in the apartment. The upstairs bedroom is especially comfortable and nicely appointed. Be careful of big step down into the bathroom upstairs and also another step in the bed area. The downstairs room is also comfortable but quite small with no area to hang clothing.
There was some noise from the street at night but it quiets down eventually and didn't bother us much. The communication was excellent, and Eleanora give us many tips and recommendations that we used during our stay.
Don't hesitate to stay at this lovely apartment in the heart of Florence.