We're the Geothermal Source in Bernardsville! Bernardsville homeowners in the know look to Energy Smarts Mechanical for all their geothermal heating and cooling needs. They trust us to provide not only the proper installation and service but also the insight to help them get the most from their geothermal systems. Thinking about a geothermal system of your own? Give our nifty little Geothermal Savings Calculator a try. Just enter your data and marvel at the results. Then, contact us, the Bernardsville, New Jersey, geothermal experts at Energy Smarts Mechanical.