Do you find yourself paying a lot more on your heating and cooling bill? If so, installing a geothermal heat pump is a simple solution. Let the experts at Middleton Sales Co., Inc. be the ones to professionally and correctly install your geothermal heat pump system. Since 1973, we have successfully provided Jacksonville and surrounding communities by installing the most trusted brands of geothermal heat pumps. Middleton Sales Co., Inc. are proud distributors of The Bosch Group and Enertech geothermal heating pumps.