The Geothermal Name to Trust in Castle Rock Forgive the pride, but that would be us: Sensible Heating & Cooling! Castle Rock, Colorado, homeowners have been turning to us to satisfy their geothermal heating and cooling needs for years, now. We'd like to earn your trust, too. If you've been wanting to "go geothermal" but have been holding off, you can certainly trust us on this: given today's shifting economy, there's never been a better time to learn more about the savings a geothermal heating and cooling system can provide. Want proof? Do a little simple math with our Geothermal Savings Calculator. Then contact Sensible Heating & Cooling for the top of the line geothermal system installation and service in Castle Rock - and beyond! Oh ... and talk about trust: We install geothermal heating and cooling systems by WaterFurnace. That's a brand that resounds in the geothermal industry.