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HVAC in South Carolina

Licensing

HVACFIND data deskSeptember 2026 · 3 min

HVAC contractor licensing in South Carolina

Who licenses heating and cooling contractors in South Carolina, what the classes mean, and how to check one before you sign.

Who licenses HVAC contractors

South Carolina LLR: Contractor's Licensing Board (commercial mechanical) and Residential Builders Commission (residential HVAC specialty) licenses heating and air conditioning contractors across South Carolina. Relevant classes: Mechanical Contractor classes AC (air conditioning), HT (heating), PK (packaged equipment), RF (refrigeration); Residential Specialty Contractor HVAC registration.

How to check a contractor

  • Find the license number on the quote, the truck or the website.
  • Look it up in the official registry and confirm the name, class and expiry match.
  • Ask for proof of liability insurance and, where required, a bond.

Sources

  • South Carolina LLR: Contractor's Licensing Board (commercial mechanical) and Residential Builders Commission (residential HVAC specialty) — https://llr.sc.gov/clb/

Second opinion

Get one fair quote from a licensed local pro

Tell us the job and when suits you. We confirm by phone or text, then pass your request to one licensed contractor who covers your ZIP. Nobody else gets your number.

  • We confirm the job before anyone calls you
  • One contractor, never a bidding list
  • License checked with the state
  • Free for homeowners
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