I've stayed here four other times, always in the same room.
This was the first time I had stayed in this room upstairs. The room is incredibly clean, just like the rest of the house. And not just looks clean, you walk in and you can FEEL that it is clean. It's one of the main reasons I always stay at one of Guillermos place.
The walls are thick so the house is quiet too, and I appreciate that Guillermo enforces a quiet hour so that the whole house can sleep well.
Would recommend this particular room to anyone considering it.