HVAC License Certification in South Carolina

Importance of Certification

There are a lot of reasons why you should obtain HVAC Certification if you wish to practice the HVAC trade. Career advancement and a potential higher salary are some of the best perks you can get out of being an HVAC certified specialist. Certification will show that you have the specific competency to practice as an HVAC technician. Since certification examinations gauge your knowledge, capability and expertise as an HVAC tech, certificates will give your potential clients an idea of what you can do and what is your specific niche in the field of HVAC.


Obtaining Your HVAC License 

If you wish to become a licensed Residential HVAC contractor in South Carolina, you must have a minimum of 1-year experience under the direct supervision of a Master Heating & Air or properly licensed HVAC contractor. But if you aspire to become licensed as an HVAC specialty contractor in South Carolina, you need first to file a written application as required by the Commission and submit a certified check, cashier’s check, or money order for $100 for the application processing fee. Aside from that you must pass the examination given by PSI, pay a license fee with your test results after passing the exam, and submit a bond if the work will exceed $5,000. In the event that you are an S.C. Mechanical Contractor for HVAC or as a Master Heating & Air licensed by exam from the South Carolina Municipal Association, you can obtain the license without taking the exam.

The HVAC Examination in South Carolina contains 80 questions based on different fields in HVAC such as General Piping, Piping Systems, Heating and Cooling Principles, Refrigerants, Heating and Cooling Equipment, Air compressors, HVAC Control Fundamentals, HVAC Control Systems, Air Conditioning Systems, Heat Pumps, Specialized Heaters, Combustion Air, General Duct Systems Knowledge and Principles, and Fiberglass Ducts. To pass this exam you must at least answer 56 questions correctly.You are allowed 4 hours to complete this examination.

To help you get prepared for the HVAC Examination, you can check these reference books:


  • International Mechanical Code
  • International  Fuel Gas Code
  • Code of Federal Regulations
  • Manual N – Load Calculation for Commercial Summer and Winter Air Conditioning
  • Manual D – Residential Duct Systems
  • Manual J – Load Calculation for Residential Winter and Summer Air Conditioning
  • Pipefitters Handbook
  • Trane Ductulator
  • Modern Refrigeration and Air Conditioning


Unlike other states, South Carolina currently has no reciprocity agreement with others states for HVAC license, however it can be obtained without taking an exam if the applicant has a current South Carolina Home Builder License, a South Carolina General Contractor License, a South Carolina Mechanical License or has a current Master or Journeyman City or County license obtained by exam. Also, currently there are no continuing education requirements for HVAC license.

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