I recently just traveled for work to Washington, DC, and stayed at the Key Bridge Marriott. I had heard some good things and like its location near Georgetown and was looking at staying someplace new. But I was soon disappointed. I had a corner room with a good view, one of my windows looking at the buildings of Rosslyn, VA, and windows looking across the Potomac towards Washington, DC. But this view soon disappeared because as soon as I turned the heat on, the windows fogged up with condensation and I couldn't see anything. And the two windows leaked cold air like they were open.
The problem was that the fan that is supposed to exhaust the humid air from the bathroom, didn't really work too well. The moisture just hung out in the room. The only way to clear the windows was to run the air conditioner while I was gone during the day. But as soon as I returned and turn the heat on, the windows fogged up.
The Key Bridge Marriott needs to get with it and improve the circulation in their hotel. Until they do, I wouldn't recommend staying here. There are many other places to stay in Washington, DC, that provide a better room and service.