The Geothermal Name to Trust in Lexington Forgive the pride, but that would be us: WaterFurnace! Lexington, South Carolina, homeowners have been looking to us to meet their geothermal heating and cooling needs for years, now. We'd like to earn your trust, too. If you've been thinking of “going geothermal” but have been holding off, you can definitely trust us on this: given today's unstable economy, there's never been a better time to learn more about the savings a geothermal heating and cooling system can offer. Want proof? Do a little simple math with our Geothermal Savings Calculator. Then contact WaterFurnace for the finest geothermal system installation and service in Lexington - and beyond! Oh ... and talk about trust: We install geothermal heating and cooling systems by WaterFurnace. That's a brand that resonates in the geothermal industry.