One of the greatest benefits of ETA's patented geothermal technology is the fact that deep wells can now be utilized at depths from 100' to 300' per hole for a DX system, which requires less ground area exposure than a water-source system. The high cost and extensive drilling requirements for traditional water-source vertical ground loops have been one of the major hurdles to overcome when considering the installation of a geothermal system. - (Read more)