The Geothermal Name to Trust in Sterling Forgive the over confidence, but that would be us: Arronco Comfort Air, Inc.! Sterling, Kentucky, homeowners have been looking to us to satisfy their geothermal heating and cooling needs for years, now. We'd like to gain your assurance, too. If you've been thinking of “going geothermal” but have put it off, you can certainly trust us on this: given today's shifting economy, there's never been a better time to find out the savings a geothermal heating and cooling system can provide. Want facts? Do a little simple math with our Geothermal Savings Calculator. Then contact Arronco Comfort Air, Inc. for the top of the line geothermal system installation and service in Sterling - 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.