McLean Looks to Us for Its Geothermal Needs We’re Renewable Energy Solutions, the recognized "go-to" team for McLean, Virginia's geothermal heating and cooling. McLean homeowners are turning to us for ... the best WaterFurnace geothermal heating and cooling systems expert installation and service from highly skilled, highly trained professionals professional advice on how to get more out of their geothermal installations With a down economy, there's never been a opportune time to put a WaterFurnace geothermal system to use for you. And we're the ones to do it in McLean, Virginia. Contact Renewable Energy Solutions today. Want to taste and see just how much "going geothermal" could save you on your energy bills? Take a moment or two with our easy Geothermal Savings Calculator.