HVAC contractors in Key Largo: what Florida's license records show
Key Largo has 12 state-licensed HVAC contractors in current Florida DBPR records across Monroe County. 12 carry the statewide Certified (CAC class) credential, while 0 operate under Registered licenses tied to local jurisdictions.
Local experience runs deep: the oldest active credential was first issued in 1985, with an average license age of about 21 years. 12 of the 12 listed licenses are currently marked Active by the state. Each profile links the state license number, letting you confirm standing with Florida DBPR before signing anything.
Nearby HVAC coverage in Monroe County: Key West · Tavernier · Marathon · Summerland Key · Big Pine Key
What the records show about Key Largo's air conditioning contractors
12 air conditioning contractors with a Key Largo address hold an active Florida license today, and 12 of them have continuing-education courses on file with the state.
Training on file for common jobs:
- Refrigerants: 4 contractors have coursework on file, including Irwin'S Air, Air Conditioning On Call, LLC and Keys Wide Air Conditioning LLC.
- Indoor air quality and ventilation: 5 contractors have coursework on file, including Irwin'S Air, Air Conditioning On Call, LLC and Keys Air Conditioning LLC.
- Energy efficiency: 5 contractors have coursework on file, including Irwin'S Air, Air Conditioning On Call, LLC and Quality Comfort Experts LLC.
- System design and ductwork: 3 contractors have coursework on file, including Quality Comfort Experts LLC, Keys Wide Air Conditioning LLC and Electric Cooling & Illuminations Inc.
Most-reviewed on Google as of September 2026: Irwin'S Air (5.0 stars, 409 reviews), Air Conditioning On Call, LLC (4.9 stars, 54 reviews), Quality Comfort Experts LLC (5.0 stars, 36 reviews) and Air Now Services Inc (5.0 stars, 18 reviews).
Longest-licensed: Major Brands Corp (since 1985), A All Major Brands Corp (since 1987) and Magnum Construction & A/C Inc (since 1990).
8 of the 12 have coursework on the 2023 Florida Building Code, the newest edition in the state course records.
None of the 12 active licenses appear in the Construction Industry Licensing Board's discipline reports since July 2021; each listing shows its own record.
Need a licensed HVAC contractor in Key Largo? Call (833) 652-9212 to be connected now.





