Johnson City's Trusted Geothermal Contractor Southwest Mechanical Services is the contractor more people in Johnson City, Texas, look to for geothermal installation and service. Our specialty is offering ... a professional work force – professionally trained, highly skilled, and thoroughly educated about everything geothermal answers to our customer’s most important geothermal questions installation and service of the highest caliber We're well-known, too, for offering the top geothermal heating and cooling systems money can buy. Those would be WaterFurnace systems - naturally! If you’d like a little "crash course" on the benefits of geothermal heating and cooling, check out our Geothermal Savings Calculator. Energy savings aren’t the only advantages, of course. Wait till your family sees the year-round comfort a WaterFurnace geothermal system provides! Better yet, why hold out any longer? Contact Southwest Mechanical Services today. You’ll quickly discover why so many Johnson City residents are turning to us for their geothermal heating and cooling needs.