We're the Geothermal Source in Mountain Top! Mountain Top homeowners in the know turn to Jim Lamberti Contracting Services, LLC for all their geothermal heating and cooling needs. They count on us to give 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 whirl. Just enter your data and stand in awe of the results. Then, contact us, the Mountain Top, Pennsylvania, geothermal professionals at Jim Lamberti Contracting Services, LLC.