Geothermal.contractors

Sunbelt Heating and Air Conditioning, Inc. is a family-owned geothermal contractor based in Shawnee, Oklahoma, founded by Dean Akin and operating continuously since 1985. The company installed its first ground-source heat pump in Shawnee in December 1985 and has since become one of Oklahoma's most experienced geothermal specialists. Sunbelt recognized WaterFurnace as an industry leader in geothermal quality and reliability and has sold WaterFurnace equipment since 1988. The company is also a Lennox Premier Dealer and holds Oklahoma State License 2033. Beyond geothermal installation and service, Sunbelt offers comprehensive residential and commercial HVAC plus advanced diagnostic services including duct-leakage testing, envelope infiltration testing, airflow measurement, low-E glass testing, and infrared thermal inspection. The business is licensed, bonded, insured, and maintains workers' compensation coverage for work throughout the Shawnee area. Verified active operator per sunbeltair.com (contact, about, geothermal_service pages, live 2026) + lennox.com dealer locator (OK bundle audit 2026-06-01)