Loudon, Tennessee, Geothermal Heating & Cooling We're getting the word out in Loudon, Tennessee: in in the condition the economy is in today, geothermal heating and cooling is definitely the right choice! Ground conditions in Loudon are just right. How about our seasonal temperatures? They change enough in extremes to practically guarantee that geothermal heating and cooling will provide the best year-round satisfaction. You'll also enjoy how much a geothermal system can reduce your energy expenses, too. The proof? Take a look at our Geothermal Savings Calculator. Contact Smith and Associates Geothermal today. We've got quite a bit more to discuss with you about the advantages of geothermal heating and cooling in Loudon. Another great thing, we install and service WaterFurnace geothermal systems, the finest on the market.