Colorado Geothermal Drilling is a family owned business with over 8 years experience in the HVAC industry, encompassing conventional and geothermal heating and cooling systems. This experience has covered both residential as well as commercial and industrial projects

Our crew consists of IGSPHA Accredited Installers.

Colorado Geothermal Drilling is owned by Dan and Kari Rau. Dan Rau is a mechanical engineer with professional licensure. He has designed and installed several geothermal projects throughout Colorado, Utah, and Iowa.

CGD has successfully completed numerous projects throughout the Front Range, both residential and commercial, new construction and retrofits of existing homes. Our set-up is unique as we are able to access smaller areas with our equipment, setting us apart from other large drilling operations.