This little unit did what we needed it to in a pinch. We were in town for several different campus visits. It may not be really conducive to seeing the city from a tourist standpoint. I especially would avoid this unit in the winter, due to the front door not shutting or sealing all the way. When locked, it had a large gap always visible. Just not ideal and even more so if it had been any colder out. It was quiet and covered the necessities for a few days.
I would not rent again for a couple of reasons. 1. It needs a DEEP cleaning. There was general dirt and grime throughout, which is most likely due to the age of the unit. Random holes in the walls, dirt/who knows what smeared down the back side of the bathroom door. 2. The location "off the green line" per the unit description isn't quite accurate. It is a 16 minute walk to a T station from this unit, please keep that in mind if you think you are going to use mass transit.
Like I said, I was in a pinch for booking a room during a very busy fall weekend in the Boston area. The bed was very comfortable and the paid parking spot was a bonus. It just wouldn't be my preference in the future.