We're the Geothermal Source in Brownwood! Brownwood people in the know look to Southwest Air Conditioning for all their geothermal heating and cooling needs. They trust us to give not only the proper installation and service but also the knowledge to help them maximize the potential from their geothermal systems. Considering a geothermal system of your own? Give our nifty little Geothermal Savings Calculator a whirl. Just fill-in your data and marvel at the results. Then, contact us, the Brownwood, Texas, geothermal experts at Southwest Air Conditioning.