Clarks Summit, Pennsylvania, Geothermal Jim Lamberti Contracting Services, LLC is the top geothermal system contractor in Clarks Summit, Pennsylvania. We'll help you understand all the benefits of geothermal heating and cooling. We’ll see to it that your geothermal unit is properly installed, too. And when it comes time for service? Nobody in Clarks Summit can beat our service! Contact Jim Lamberti Contracting Services, LLC today. Like a little up-front look at the savings a geothermal heating and cooling system can provide? Use our simple Geothermal Savings Calculator.