It's a hot water system. Must have frozen over or... [Without another word, he wanders towards the back of his home and into one of the rooms. He'll return a few minutes later with a disgruntled expression.]

Hyde caused the floor to collapse onto the heating system. It needs to be replaced. [If Shizuo felt like checking it out himself, he'll see a corner of the room had indeed collapsed onto the basement beneath, along with an opening in the wall to the outside. He must have smashed his way out instead of taking the front door.]