It is ducted right into the wall and there is a vent going outside but the vent had been taped up for years because someone thought that rats would be getting in there, and no I didn't punch a hole in the wall, I was leaning over a box put my hand on it and it gave way. As far as the well goes all of the people on it just put $15,000 in updating it and I just ran new pipe from the well to the house for a break on rent and the water has been tested and is great.