Geothermal.contractors

AGL Heating & Air serves the Charleston, South Carolina area from their Johns Island location, providing geothermal heating and cooling solutions to communities including West Ashley, Downtown Charleston, James Island, Folly Beach, Isle of Palms, Sullivans Island, Kiawah Island, and Mount Pleasant. Founded in 2004, AGL specializes in WaterFurnace geothermal systems as a GeoPro-qualified provider, and also installs Trane equipment. Their technicians hold advanced training in geothermal system installation, repair, and maintenance. AGL addresses challenging geothermal conditions common in South Carolina's Lowcountry geology, including measures to manage high water tables on coastal installations. Residential and commercial clients benefit from energy savings on heating, cooling, and hot water costs using ground-source heat pump technology. Financing is available on select systems, making geothermal upgrades accessible across the Charleston region. Verified active operator per https://www.aglair.com/geothermal-systems/ (SC bundle audit 2026-06-01)