HVAC contractor license requirements in Georgia.
Georgia licenses HVAC through the State Board of Conditioned Air Contractors, one of the divisions under the Construction Industry Licensing Board at the Secretary of State. Licenses come in two classes by equipment size, and the experience requirements are unusually specific — the board wants particular years in installation, service, and supervision.
What Georgia requires.
Conditioned Air Contractor — Class I (restricted)
Limited to systems or equipment not exceeding 175,000 BTU of heating and 60,000 BTU of cooling.
Conditioned Air Contractor — Class II (unrestricted)
No restriction on the scale or scope of the work — residential, commercial, and industrial.
Getting the Conditioned Air Contractor — Class I
- Be at least 18 with a high school diploma or GED
- Class I: four years of experience — two years of residential installation as a lead mechanic, one year as a service technician (including an EPA license), one year of residential supervisory experience, plus a board-approved heat loss/gain and duct design course
- Class II: five or more years — two years of installation as a lead mechanic with at least one year commercial only, one year as a service technician or service supervisor (including an EPA license), two years of commercial supervisory experience, plus the board-approved heat loss/gain and duct design course
- Submit three references from an architect, professional engineer, inspector, or licensed conditioned air contractor, each including their license or registration number
- · Paper applications are no longer accepted — everything goes through the state’s GOALS portal.
The official board
Georgia State Board of Conditioned Air Contractors — Construction Industry Licensing Board, Secretary of State
(478) 207-2440
Visit the boardVerified 2026-08 against the sources below. Licensing rules change — confirm with the board before relying on this page.
Georgia HVAC licensing FAQ.
Do you need a license to do HVAC work in Georgia?
Yes. Georgia requires a conditioned air contractor license from the State Board of Conditioned Air Contractors, part of the Construction Industry Licensing Board under the Secretary of State. It is issued as Class I or Class II depending on the size of equipment you work on.
What is the difference between Class I and Class II conditioned air licenses in Georgia?
Class I is restricted to systems not exceeding 175,000 BTU of heating and 60,000 BTU of cooling. Class II is unrestricted and covers residential, commercial, and industrial work of any scale.
How much experience do you need for a Georgia conditioned air license?
Class I requires four years broken down specifically: two years of residential installation as a lead mechanic, one year as a service technician with an EPA license, one year of residential supervisory experience, and a board-approved heat loss/gain and duct design course. Class II requires five or more years with commercial installation and two years of commercial supervisory experience.
Do you need references for a Georgia HVAC license?
Yes. The board requires three references attesting to your character and conditioned air experience, each from an architect, professional engineer, inspector, or licensed conditioned air contractor, and each must include that person’s license or registration number.
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