Jeannette, Pennsylvania, Geothermal Heating & Cooling We're spreading the word throughout Jeannette, Pennsylvania: in in the condition the economy is in today, geothermal heating and cooling is absolutely the smart way to go! Soil conditions in Jeannette are perfect. And our seasonal temperatures? They vary enough in extremes to almost guarantee that geothermal heating and cooling will provide the best year-round comfort. You'll also enjoy how much a geothermal system can decrease your energy costs, too. The proof? Take a look at our Geothermal Savings Calculator. Contact E & D Company HVAC LLC today. We've got quite a bit more to discuss with you about the advantages of geothermal heating and cooling in Jeannette. Another great thing, we install and service WaterFurnace geothermal systems, the best on the market.