My wife and I loved staying at the Diva apartment. It was stylish and modern, in the heart of a dynamic part of Paris with many good restaurants nearby, yet a quiet and serene oasis away from the hubbub. The windows look inward into an interior area-- you don't get a view, but that's OK, because you do get both fresh air and quiet.
The weather was pretty warm during our stay, so we closed the windows and turned on the mini-split AC unit, which delivered copious amounts of cold air. Much of Parisian AC is barely adequate (we found the museums uncomfortably warm), but rest assured that this apartment is in the top one percent of Parisian air conditioning spaces!
The bed was excellent, the bathroom was top-notch with a great shower... and the space was just so much better than any hotel room you'd likely reserve. The only downside are the three flights of stairs you have to climb (61 steps total). Other than our initial move into the apartment (which was somewhat onerous) hauling two suitcase up the stairs, our stay in Diva was a perfect 10! Highly recommended, unless you have respiratory issues.