We're Gloucester County's Primary Geothermal Contractor! Gloucester County, New Jersey, homeowners have all sorts of reasons for desiring a geothermal heating and cooling system: exceptional year-round comfort – no matter how extreme the weather variations stable operating efficiency energy efficiency (They’d be hard-pressed to find a more "green," more natural way to heat and cool their homes!) significant – sometimes amazing – savings on their energy bills superior installation and service from J. Zanes LLC, Gloucester County's geothermal professionals. Find out more about what a geothermal heating and cooling system can do to improve your family's comfort. Look at our Geothermal Savings Calculator. Then contact J. Zanes LLC. We sell, install, and maintain WaterFurnace geothermal systems, the very best available today.