I am in the process of buying a house and waiting for the closing to happen. The current boiler is one of those low-efficiency tankless coil type, and since it's in a room right across from a bedroom, noise is even a greater concern for us. From what I gathered on the Internet, the Kinetics Energy system 2000 seems to be one of the quietest boilers out there, but it's also very expensive. What do you guys recommend? Does anyone here have system 2000 and like it much?