Westchester County, New York, Geothermal Verdae Geothermal is the best WaterFurnace geothermal contractor in Westchester County, New York. We'll help you understand all the advantages of geothermal heating and cooling. We’ll make sure your WaterFurnace system is properly installed, too. And when it comes time for service? Nobody in Westchester County does it better! Contact Verdae Geothermal today. Like a little sneak-peek at the savings a WaterFurnace geothermal heating and cooling system can provide? Use our easy Geothermal Savings Calculator.