Geothermal Heat Pumps in Scranton Jim Lamberti Contracting Services, LLC offers only the best geothermal products to the Scranton, Pennsylvania area. Our products have the most recognized and respected name in the industry. Every unit is tested before it leaves the manufacturing facility to ensure flawless operation on startup. We combine a commitment to quality installations with a commitment to bring you the finest quality products - that's the best of both worlds.