Geothermal is Big in New Haven County! So many homeowners in New Haven County, Connecticut are enjoying their geothermal heating and cooling system.We find it hard to believe that anyone wouldn't? Because of our fluctuating temperature extremes and good soil conditions, our geothermal systems, are an excellent choice for year-round heating and cooling comfort. So, you still aren't satisfied? See how much you can save in New Haven County with your own geothermal system with our handy Geothermal Savings Calculator. Now that you have seen just how much a geothermal system can save you on your monthly costs, do what so many other New Haven County homeowners have done and contact the experts at Nero Air Conditioning and Heating. Our professional staff are waiting to help you plan your geothermal system and install it the right way so that you will get the most out it.