GeoThermal Air Conditioning The Robust, High-Efficiency Alternative to Traditional Air Conditioning. Environmentally Friendly No carbon dioxide emissions. Helps reduce greenhouse gas emissions. Quiet Operation With sound levels as low as 52 dB, GeoThermal systems are typically quieter than your refrigerator. Lower Operating Costs Save up to 50% on heating, cooling and hot water costs, with a simple payback in as little as 7-10 years. Produces up to 60% water heat while cooling or heating your home! Reliability Over 50 years of life expectancy for ground loop systems. Plus, the residential warranty offer is one of the best on the market. Learn more about GeoThermal air conditioning.