Salem County, New Jersey, Geothermal Heating & Cooling We're getting the word out in Salem County, New Jersey: in in the condition the economy is in today, geothermal heating and cooling is absolutely the smart way to go! Ground conditions in Salem County are just right. How about our seasonal temperatures? They change enough in extremes to virtually guarantee that geothermal heating and cooling will provide the best year-round satisfaction. You'll love how much a geothermal system can cut your energy costs, too. The proof? Take a look at our Geothermal Savings Calculator. Contact J. Zanes LLC today. We've got quite a bit more to discuss with you about the benefits of geothermal heating and cooling in Salem County. Another great thing, we install and service WaterFurnace geothermal systems, the finest on the market.