Directional loop geothermal systems are good solutions in some areas. They have the capability of boring beneath ponds, buildings and other surface obstructions. There are currently no codes in Wisconsin that the installer must adhere to so education on the part of the customer is a MUST!
My friend Dan Walsdorf with his partner Sean, Sean's son Ben and their new directional machine.
Talk to your contractor about GROUTING! Do NOT simply hope that the borehole will collapse!