New London County, Connecticut, Geothermal Nero Air Conditioning and Heating is the best WaterFurnace geothermal contractor in New London County, Connecticut. We'll help you comprehend all the benefits of geothermal heating and cooling. We’ll make sure your WaterFurnace system is correctly installed, too. And when it comes time for service? Nobody in New London County does it better! Contact Nero Air Conditioning and Heating today. Like a little up-front look at the savings a WaterFurnace geothermal heating and cooling system can give you? Use our handy Geothermal Savings Calculator.