Profile: American Geothermal, Inc. manufactures geothermal heat pumps for the ready mix concrete industry and special heating & cooling equipment for industrial process heating, cooling & heat recovery. We develop aggregate heating systems, chillers, boilers, recirculation systems & tanks, temperature control equipment and heat recovery equipment. Our batch water heating system renders modern gas fired water heaters for applications up to 3,080,000 BTU's per hour and water temperatures up to 180 degrees F with combustion efficiencies exceeding 80 percent.