Merkel, Texas, Geothermal More and more people in Merkel, Texas, are discovering the benefits of geothermal heating and cooling. Their prime resource? That's us: Southwest Air Conditioning. Our specialty is the service and installation of industry-leading WaterFurnace geothermal systems. So the "ins and outs" of geothermal heating and cooling are no mystery to us. Merkel homeowners understand we’re glad to share what we know about the subject, too. For instance: Geothermal heating and cooling systems give exceptional comfort all year long, despite changing temperature extremes. Geothermal energy is a resource that is renewable – about as “green” as you can get! The smooth operation and energy performance of a geothermal heating and cooling system can save Merkel homeowners a great deal on their energy bills. (Use our Geothermal Savings Calculator to see just how much you could save.) There's so much more we can share with you about geothermal benefits. And when you're ready to try them yourself, we’ll offer the installation and service you need to get the most out of your own WaterFurnace geothermal heating and cooling system. Contact Southwest Air Conditioning today.