Uvalde, Texas, Geothermal Heating & Cooling We're spreading the word throughout Uvalde, Texas: in today's economy, geothermal heating and cooling is absolutely the smart way to go! Soil conditions in Uvalde are perfect. 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 also enjoy how much a geothermal system can reduce your energy expenses, too. The proof? Our Geothermal Savings Calculator. Contact Southwest Mechanical Services today. We've got quite a bit more to discuss with you about the benefits of geothermal heating and cooling in Uvalde. Best of all, we install and service WaterFurnace geothermal systems, the best on the market.