Precision Business Education Foundation • Skilled Trades Launch Center
Florida Mechanical Contractor Licensing Guide
A start-to-finish roadmap for earning a Florida Certified Mechanical Contractor license, documenting qualifying experience, passing the state examinations, and legally qualifying a mechanical contracting business.
This guide covers the statewide Certified Mechanical Contractor license
The mechanical license is broader than a Class A or Class B air-conditioning license. It includes HVAC systems plus specified boilers, lift-station equipment, process piping, fuel piping, medical-gas-type lines, and other mechanical systems within Florida’s statutory scope.
Florida Mechanical Licensing at a Glance
Florida regulates mechanical contracting through the Construction Industry Licensing Board. A certified license supports statewide contracting within the license scope, while registered licensing is generally local.
Certified Mechanical Contractor
Requires state examination and CILB approval for statewide authority.
Registered Mechanical Contractor
Generally based on local competency and limited to recognized jurisdictions.
CILB 5-F
Used for initial Certified Mechanical Contractor licensure as an individual.
CILB 6-F
Used when the applicant will qualify a mechanical contracting business.
What the Mechanical Contractor License Covers
Florida’s mechanical classification is one of the broadest specialty contractor categories.
HVAC and Refrigeration Systems
- Central air-conditioning and refrigeration
- Heating and ventilating systems
- Ductwork connected to complete systems
- Duct cleaning and equipment sanitizing requiring partial disassembly
- Boiler and unfired pressure-vessel systems
Piping and Mechanical Systems
- Pressure and process piping
- Pneumatic-control piping
- Lift-station equipment and piping
- Air, vacuum, oxygen, and nitrous oxide lines
- Ink, chemical, and fuel-transmission lines
Fuel and Related Work
- Gasoline tanks, pumps, and associated piping
- Liquefied petroleum gas lines within buildings
- Natural-gas fuel lines within buildings
- Specified HVAC electrical connections and low-voltage controls
- Condensate drains to approved disposal points
The Six-Stage Mechanical Licensing Process
Complete the experience, examination, financial, background, insurance, and business-qualification requirements in order.
Confirm the Certified Mechanical category
Compare the mechanical scope with Class A air-conditioning, plumbing, gas-line, and other categories.
Complete the Certified Mechanical experience pages
Document dates, systems, piping, equipment, project types, supervisory duties, and verifier information.
Register for and pass the required examinations
Use the current CILB examination process, Candidate Information Booklet, and mechanical reference list.
Complete financial and background requirements
Obtain the correct credit report, submit electronic fingerprints, and prepare supporting records for disclosures.
Submit CILB 5-F or CILB 6-F
Use the individual application or the qualifying-business application that matches the intended structure.
Finish local registration and permitting setup
Register the license and business records with the applicable Southwest Florida jurisdictions.
Experience and Eligibility Requirements
Applicants generally need four years of qualifying experience or an approved combination of college and experience. Proof is submitted using the mechanical category’s experience pages.
Qualifying Time
- Four years or approved education-and-experience combination
- Worker and supervisory time clearly identified
- Education or military substitution documented when used
- Dates must be complete and consistent
Mechanical Scope Experience
- HVAC, refrigeration, heating, and ventilation
- Boilers and pressure vessels
- Process, pressure, pneumatic, fuel, or specialty piping
- Lift stations or related equipment when applicable
Verification
- Verifier with direct knowledge of the work
- License information when applicable
- Project descriptions and responsibilities
- Supporting payroll, tax, permit, or employer records
Florida Mechanical Examination Requirements
Certified applicants must pass the state examination requirements for the mechanical category and use the reference list effective for the test date.
Business and Finance
- Accounting and financial management
- Contracts, liens, payroll, insurance, and taxes
- Business organization and Florida contractor law
Contract Administration
- Estimating and bidding
- Contracts, permits, codes, and safety
- Scheduling, purchasing, and project administration
Mechanical Trade Knowledge
- HVAC and refrigeration systems
- Boilers, process piping, fuel piping, and controls
- Mechanical codes, calculations, safety, and approved references
Application, Credit, Insurance, and Background Requirements
Passing the examination does not automatically issue the license. The applicant must complete the CILB licensing package.
Credit and Financial Responsibility
- Board-compliant credit report
- FICO-derived score
- Required public-record searches
- Liens, judgments, bankruptcy, or collections addressed
- Course, bond, or other remedy when required
Insurance and Workers’ Compensation
- Required public-liability insurance
- Required property-damage insurance
- Workers’ compensation coverage or valid exemption
- Correct business and qualifier names
Fingerprints and Disclosures
- Electronic fingerprinting
- Criminal-history disclosure
- Prior license discipline or denial disclosure
- Supporting court or agency records when required
Individual License vs. Qualifying a Mechanical Business
The individual credential and the company’s authority are separate parts of the licensing process.
| Situation | Typical Form | Purpose |
|---|---|---|
| Initial Certified Mechanical Contractor license as an individual | CILB 5-F | Initial mechanical license held in an individual capacity. |
| Initial mechanical license while qualifying a business | CILB 6-F | Licenses the individual and qualifies the company. |
| Current mechanical contractor qualifying another business | CILB 7-F | Qualifies an additional business entity, subject to current Board requirements. |
| Out-of-state license or equivalent examination | CILB 10 endorsement review | Used when seeking certification through Florida’s current endorsement criteria. |
Southwest Florida Local Setup
A certified mechanical contractor can work statewide, but local jurisdictions may still require administrative registration and permitting setup.
Contractor Registration
Submit the state license, business records, insurance, workers’ compensation information, and contact details requested by the local building department.
Permitting Account
Create online credentials and confirm mechanical permit, inspection, plan-review, notice-of-commencement, and closeout procedures.
Special System Compliance
Confirm additional permits, certifications, inspections, or agency involvement for boilers, fuel tanks, gas piping, medical-gas-type systems, and lift stations.
Complete Mechanical Licensing Checklist
License Path
- Mechanical scope reviewed
- Certified or registered route selected
- Individual or business qualifier path selected
- Overlap with HVAC, plumbing, and gas work reviewed
Experience
- Four years or approved equivalent
- Worker and supervisory time documented
- Mechanical systems and piping experience identified
- Verifier information complete
- Supporting records retained
Examinations
- Current CILB examination process used
- Candidate booklet reviewed
- Current mechanical reference list obtained
- Required exams passed
- Score records retained
Financial & Background
- Credit report ordered
- Public-record search included
- Fingerprints completed
- Disclosures prepared
- Liens or judgments addressed
Insurance & Business
- Liability coverage
- Property-damage coverage
- Workers’ compensation policy or exemption
- Sunbiz and FEIN records
- Ownership information complete
Final Submission
- Correct CILB form selected
- All signatures and dates complete
- Current fee verified
- Complete copy retained
- Application status monitored
Official Florida Mechanical Licensing Resources
Use official state sources for current applications, experience forms, examinations, reference lists, statutes, and license verification.
Frequently Asked Questions
What is the difference between a Mechanical Contractor and a Class A HVAC Contractor?
How much experience is required?
Can a mechanical contractor perform plumbing or electrical work?
Can an LLC perform mechanical work before it is qualified?
Is the trade examination computer-based?
Does a certified license eliminate local requirements?
Next Step: Launch the Mechanical Contracting Business
After confirming the licensing path, continue to the Mechanical Business Launch System for startup costs, estimating, equipment, contracts, insurance, customer systems, marketing, financial controls, hiring, and growth.
Continue to the Mechanical Business Launch System