Horizontal Directional Bore

The horizontal directional bore is a relative new procedure for installing geothermal loop systems.  Developed originally for installing utilities in areas where excavating wasn’t an option, the directional bore has been adapted for geothermal installations.  With these specialized machines, loop piping for a geothermal system can be inserted into a yard beneath existing utilities and other obstacles without disturbing the surface of the ground.  Only a confined area around the machine must be excavated to connect the loop circuits after they’re installed.

Cost of installing this type of system is relatively equal to that of vertical, and very little restoration of the property is needed afterwards.  The horizontal directional bore, however, requires a large footprint as the loop piping is usually around 200 ft. in length.