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 highs and lows to virtually guarantee that geothermal heating and cooling will provide the best year-round satisfaction. You'll love how much a geothermal system can reduce your energy costs, 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 advantages of geothermal heating and cooling in Uvalde. Best of all, we install and service WaterFurnace geothermal systems, the finest on the market.