I just heard that people are installing Geo systems in Manhattan! A driller I met told me he routinely puts in wells of 1600' for them. He parks right on the sidewalk and goes to work. Pretty cool! I had no idea that could be done. He's done them for both businesses and residences. I was amazed. So many people say they can not put in a geo system because they do not have the room. Well, if it can be done in crowded Manhattan, it can be done anywhere.