L & L Geothermal

L & L Geothermal Heating and Air is a Delaware-based HVAC contractor located in Laurel, serving residential and light commercial customers throughout the state. The company specializes in geothermal heat pump installation and repair, leveraging ground-source technology to deliver efficient heating and cooling solutions. Licensed and insured technicians hold NATE certifications and manufacturer credentials, ensuring compliance with local codes and industry standards. Services encompass complete system design, professional installation, repair, maintenance, ductwork work, and indoor air quality solutions. They install and service major HVAC and geothermal brands tailored to each property's specific needs and budget. L & L Geothermal helps customers navigate available rebates, state incentives, and federal tax credits to maximize savings on energy-efficient upgrades. With a commitment to prompt response times and expert workmanship, they provide same-day or next-day scheduling for estimates and service calls. Contact them at (833) 687-2815 for geothermal heating and cooling solutions.

Audit-verified background (2026-05-25): L&L Geothermal is a real 40-year-old Delaware geothermal contractor at 33126 Gordy Rd, Laurel/Seaford, DE 19956. Owner Mark Walls. A+ BBB rating since 2015. Bryant Dealer Locator confirms current dealership. Real verified phone: (302) 536-7120. Note: the previously listed website landlgeothermalheatingandair.com is a hijacked lead-gen domain operated by a third party (own disclaimer admits "not affiliated") — the toll-free 833-687-2815 was that lead-gen routing number. True company website pending owner verification.

L & L Geothermal in Laurel employs NATE-certified and manufacturer-credentialed technicians who provide custom system design, testing, and certification for residential and light commercial geothermal installations across Delaware.