HVAC Contractor License Requirements: Georgia, Florida & Colorado
Updated April 2026 · 10 min read
Before you hire an HVAC contractor — or before a contractor starts working in a new state — understanding local licensing requirements is essential. Requirements vary significantly by state, and in Florida's case, by county. This guide covers HVAC licensing in Georgia, Florida, and Colorado in detail, including license types, verification steps, and what unlicensed work means for homeowners.
Quick Reference
| State | License authority | License type | Verify at |
|---|---|---|---|
| Georgia | Georgia Construction Industry Licensing Board | Conditioned Air Contractor | verify.sos.ga.gov |
| Florida | Florida Department of Business and Professional Regulation | Certified or Registered Air Conditioning Contractor | myfloridalicense.com |
| Colorado | Colorado Department of Regulatory Agencies | HVAC Contractor Certificate | dora.colorado.gov |
Georgia HVAC License Requirements
Authority: Georgia Construction Industry Licensing Board (GCILB) · Type: Conditioned Air Contractor · Verify license
| License class | Scope | Typical use |
|---|---|---|
| Class I | Residential systems up to 5 tons of cooling / 150,000 BTU heating | Single-family homes, smaller commercial |
| Class II | Commercial systems up to 25 tons / 500,000 BTU heating | Mid-size commercial buildings |
| Class III | Unrestricted — all commercial and residential regardless of size | Large commercial, industrial |
- • License issued to individual, not company. The licensed qualifier is responsible for all work.
- • Renewal: biennially (every 2 years).
- • Requires passing PSI state exam, 4 years experience, and $500,000 minimum liability insurance.
Florida HVAC License Requirements
Authority: Florida Department of Business and Professional Regulation (DBPR) · Type: Certified or Registered Air Conditioning Contractor · Verify license
| License class | Scope | Typical use |
|---|---|---|
| Class A | Unlimited — all system sizes, residential and commercial | Any HVAC work in Florida |
| Class B | Systems under 25 tons cooling / 500,000 BTU heating | Most residential and light commercial |
| Class C | Systems under 5 tons cooling / 100,000 BTU heating | Primarily residential |
- • Certified license = valid statewide. Registered license = valid in specific county only.
- • A Registered contractor in Miami-Dade cannot legally work in Hillsborough (Tampa).
- • Renewal: biennially with 14 hours continuing education required.
- • Always confirm whether a Florida license is Certified or Registered, and if Registered, which county.
Colorado HVAC License Requirements
Authority: Colorado Department of Regulatory Agencies (DORA) — Division of Professions and Occupations · Type: HVAC Contractor Certificate · Verify license
| License class | Scope | Typical use |
|---|---|---|
| Statewide Certificate | All HVAC work statewide — single tier, no scope subdivisions | All Colorado HVAC contractors |
- • Denver contractors must additionally register with the City and County of Denver (denvergov.org/cpd).
- • Renewal: annually.
- • Requires state exam, 4 years documented field experience, and general liability insurance.
- • All refrigerant handling also requires federal EPA Section 608 certification.
Why License Verification Matters for Homeowners
| Risk if contractor is unlicensed | Consequence |
|---|---|
| No permit pulled | Inspection skipped; safety issues go undetected |
| Manufacturer warranty voided | Equipment warranties often require licensed installation |
| Insurance implications | Claims tied to the HVAC system may be denied |
| Resale complications | Unpermitted work must be disclosed; may require remediation |
| No licensing board recourse | Unlicensed contractors cannot be reported to the state board |
Federal Requirement: EPA Section 608 Certification
In addition to state licensing, any contractor handling refrigerants must hold EPA Section 608 certification — a federal requirement under the Clean Air Act that applies in all 50 states. This certifies the technician is qualified to recover, recycle, reclaim, and handle refrigerants including R-410A, R-32, and R-454B. Ask any HVAC contractor for both their state license and EPA 608 certification before work involving refrigerant systems.
Frequently Asked Questions
- Does an HVAC contractor need to be licensed in every state they work in?
- Yes. HVAC licenses are state-issued and not portable across state lines. A contractor licensed in Georgia cannot legally work in Florida without a Florida license. Always verify the license in the state where the work is happening.
- Can a homeowner do their own HVAC work without a license?
- Homeowners can perform basic maintenance (changing filters, cleaning coils) on their own property without a license. However, any work involving refrigerant requires EPA Section 608 certification regardless. Replacement of major components typically requires a permit, which means a licensed contractor in most jurisdictions.
- What happens if a contractor does HVAC work without pulling a permit?
- Unpermitted work creates several risks: the installation won't be inspected, manufacturer warranties may be voided, insurance claims may be denied, and when the home is sold, the unpermitted work must be disclosed and may require remediation. In some jurisdictions, fines can be levied on the property owner.
- How often do HVAC contractor licenses need to be renewed?
- Georgia renews biennially (every 2 years). Florida renews biennially with 14 hours of continuing education. Colorado renews annually. Always check the license expiration date when verifying — an expired license is as problematic as no license.