Hi you takling about geo thermial unless you know about this its hard to tell you what you want to know ,you needto have holes sunk in the ground for collecting the heat that is pumped to the house . they is to omuch to say , the best thing to do is find a company that does this work, its costley but you do get your money back very quick , it is the way to go have done some work on this type of system they work well if done right ....best of luck with your system