TTHERM GEO heat pumps are designed and distributed by Terra-Therm Inc, a wholesale distributor who has over 30 years of experience in the Geo exchange industry. Our cold climate heat pumps are built and designed in Minnesota with our customers comfort in mind. We understand what it takes to harvest Earths energy and by using our exclusive GEO LOGIC controls we can optimize both comfort and savings. TTHERM GEO geothermal heat pumps are better by design: Optimized efficiency in all modes of heating and cooling Ultra-quiet operation Highest heating discharge air temperature in the industry Highest heating capacities per nominal size Build to outlast the competition 10 years refrigeration parts and labor warranty Lifetime cabinet warranty Energy Star Certified by DOE and the EPA Along with our technical department TTHERM GEO and Terra-Therm Inc. have earned the respect of industry professionals and we are dedicated to providing superior customer assistance for many years of trouble free operation.