HVAC contractors in Marathon: what Florida's license records show
Marathon has 7 state-licensed HVAC contractors in current Florida DBPR records across Monroe County. The mix runs 7 statewide Certified (CAC class) license holders to 0 locally Registered contractors.
Licenses here average about 22 years of standing, with the earliest issued in 1980. 5 of the 7 listed licenses are currently marked Active by the state. License numbers are shown on every profile below — check them against Florida's DBPR database before hiring.
Nearby HVAC coverage in Monroe County: Key West · Key Largo · Tavernier · Big Pine Key · Summerland Key
What the records show about Marathon's air conditioning contractors
5 air conditioning contractors with a Marathon address hold an active Florida license today, and 5 of them have continuing-education courses on file with the state. 1 more license was not renewed at the August 31, 2026 deadline; its page is labeled so you don't hire an unlicensed contractor by mistake.
Training on file for common jobs:
- Refrigerants: 2 contractors have coursework on file, including Overseas Refrigeration Inc and All Keys Cooling Inc.
- Indoor air quality and ventilation: 3 contractors have coursework on file, including Overseas Refrigeration Inc, Marathon Air Cond Inc and All Keys Cooling Inc.
- Energy efficiency: 3 contractors have coursework on file, including Overseas Refrigeration Inc, Marathon Air Cond Inc and All Keys Cooling Inc.
- System design and ductwork: 2 contractors have coursework on file, including Marathon Air Cond Inc and All Keys Cooling Inc.
Longest-licensed: Marathon Air Cond Inc (since 1980), Overseas Refrigeration Inc (since 1988) and All Keys Cooling Inc (since 2005).
3 of the 5 have coursework on the 2023 Florida Building Code, the newest edition in the state course records.
None of the 5 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 Marathon? Call (833) 652-9212 to be connected now.
Compare 7 state-licensed A/C and heating contractors in Marathon, FL — each matched to a verifiable Florida DBPR air-conditioning contractor license. Check license type and status, then request HVAC quotes, all verified against the Florida state license database.
