Florida HVAC License Requirements: How to Become an HVAC Contractor in Florida
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To become an HVAC contractor in Florida, you must meet the Florida HVAC license requirements, which include gaining qualifying experience, passing the required contractor licensing exams, and applying through the Florida Department of Business and Professional Regulation (DBPR).
Once licensed, contractors can legally install, repair, and maintain heating and air conditioning systems throughout the state.
Because air conditioning is essential in Florida’s climate, HVAC contractors are in high demand across residential and commercial construction. This guide explains the Florida HVAC license requirements, including experience, exams, financial requirements, and the steps required to become a licensed HVAC contractor in Florida.
At a Glance: Florida HVAC License Requirements
- Regulating Body: Florida Department of Business and Professional Regulation (DBPR)
- Licensing Board: Florida Construction Industry Licensing Board (CILB)
- Primary License Types: Class A Air Conditioning Contractor and Class B Air Conditioning Contractor
- Experience Required: 4 years of qualifying HVAC or mechanical construction experience, or approved combination of education and experience
- Trade Exam: Air Conditioning Contractor Trade Knowledge Exam
- Business Exam: Florida Business and Finance Exam
- Passing Score: 70% on each required exam
- Financial Requirement: 660 credit score or approved Financial Responsibility course
- Insurance Requirement: General liability insurance and workers’ compensation coverage or exemption, when applicable
What Is an HVAC Contractor in Florida?
An HVAC contractor in Florida is licensed to work on heating, ventilation, and air conditioning systems. These contractors install, repair, maintain, and replace HVAC equipment in homes and commercial buildings.
The two primary HVAC contractor licenses in Florida are:
- Class A Air Conditioning Contractor – Can work on air conditioning systems of any size throughout the state.
- Class B Air Conditioning Contractor – Limited to cooling systems of 25 tons or less and heating systems of 500,000 BTUs or less.
Both licenses allow contractors to perform work such as installing HVAC systems, repairing air conditioning units, working on duct systems, and maintaining ventilation equipment.
Step-by-Step: Florida HVAC License Requirements
1. Meet the Experience Requirements
One of the main Florida HVAC license requirements is demonstrating four years of experience in the HVAC or mechanical construction industry.
Qualifying experience may include:
- Working under a licensed HVAC contractor
- Installing or repairing heating and cooling systems
- Supervising HVAC projects or crews
- Performing HVAC maintenance or service work
Some applicants may substitute part of the experience requirement with approved education.
Examples include:
- HVAC technical training programs
- Mechanical engineering education
- Construction management degrees
All experience must be verified on the Florida contractor license application.
2. Pass the Florida HVAC Contractor Exams
To meet the Florida HVAC license requirements, applicants must pass two exams.
Air Conditioning Contractor Trade Knowledge Exam
This exam tests knowledge of HVAC system installation, repair, and mechanical codes.
Typical exam format:
- Class A: 130 multiple-choice questions; Class B: 80 multiple-choice questions
- Time limit: 7.5 hours for Class A; 5 hours for Class B
- Open-book exam
- Passing score: 70%
The exam covers topics such as:
- HVAC system installation and service
- Refrigeration systems
- Duct systems and ventilation
- Florida Building Code requirements
- Load calculations and system sizing
- Safety regulations and OSHA standards
Applicants will take the trade exam that corresponds with their license type (Class A Air Conditioning Contractor or Class B Air Conditioning Contractor).
Florida Business and Finance Exam
All Florida state-certified contractors must also pass the Business and Finance exam.
Exam format:
- 120 multiple-choice questions
- Time limit: 6.5 hours
- Open-book exam
- Passing score: 70%
This exam evaluates knowledge of:
- Construction business management
- Accounting and financial practices
- Contract administration
- Construction estimating and bidding
- Lien law and legal requirements
- Risk management and workplace safety
3. Meet Financial Responsibility Requirements
Another important part of the Florida HVAC license requirements is demonstrating financial responsibility.
Applicants must submit a personal credit report during the application process.
Credit Score Requirement
In most cases, applicants must have a minimum credit score of 660.
Applicants with a lower credit score may still qualify by completing an approved Financial Responsibility course.
4. Obtain Required Insurance
Licensed HVAC contractors in Florida must maintain proper insurance coverage before performing work.
General Liability Insurance
Typical minimum coverage requirements include:
- $300,000 bodily injury coverage
- $50,000 property damage coverage
Workers’ Compensation Insurance
Contractors who employ workers must carry workers’ compensation insurance.
Contractors without employees may qualify for a workers’ compensation exemption.
5. Submit Your HVAC Contractor License Application
After meeting the experience requirements and passing the required exams, applicants must submit a license application to the Florida Department of Business and Professional Regulation (DBPR).
Your application typically includes:
- Completed contractor license application
- Verified HVAC work experience
- Personal credit report
- Proof of passing exam scores
- Application fee
Once approved by the Construction Industry Licensing Board (CILB), you will receive your Air Conditioning Contractor license and can legally perform HVAC work throughout Florida.
How Long Does It Take to Get an HVAC Contractor License in Florida?
The timeline depends on your background and experience.
Typical timeline:
- Experience requirement: 4 years of HVAC or mechanical construction experience
- Exam preparation: 4–8 weeks for most applicants
- Application approval: typically 30–60 days after submission
Many contractors who already meet the experience requirement can obtain their license within a few months after passing the exams.
How to Prepare for the Florida Air Conditioning Contractor Exams
The Florida HVAC contractor exams are open-book, meaning contractors must know how to efficiently use the approved reference materials during the test.
Effective preparation usually includes:
- Studying the approved reference books
- Learning how to navigate open-book exams quickly
- Practicing HVAC calculations and load calculations
- Taking contractor exam prep courses
- Completing practice exams
Preparation helps contractors become familiar with the materials and improves their chances of passing the exams on the first attempt.
Florida Air Conditioning Contractor Exam Prep Options
Preparing for the HVAC licensing exams can significantly improve your chances of passing on the first attempt. Because the exams are open-book and rely heavily on reference materials, learning how to quickly locate answers is a key part of successful preparation.
If you plan to obtain a Class A Air Conditioning Contractor license, you can prepare with the Class A Air Conditioning Contractor Exam Prep program, which focuses on the reference materials, exam topics, and navigation strategies used on the Class A trade exam, which focuses on the reference materials, exam topics, and navigation strategies used on the Class A trade exam.
If you plan to obtain a Class B Air Conditioning Contractor license, the Class B Air Conditioning Contractor Exam Prep program helps contractors prepare specifically for the Class B trade exam and the materials used during testing. helps contractors prepare specifically for the Class B trade exam and the materials used during testing.
Both programs are designed to help contractors understand the exam format, learn how to navigate the approved books, and build confidence before test day.
Get Ready to Pass Your Florida HVAC Contractor Exam
Get the books, training, and expert support you need to pass with confidence and move forward with your Air Conditioning Contractor license.
Florida HVAC License Requirements FAQ
To get an HVAC contractor license in Florida, you must meet the Florida HVAC license requirements, which include four years of qualifying experience, passing the Air Conditioning Contractor trade exam and the Business and Finance exam, and submitting an application to the DBPR.
A Class A Air Conditioning Contractor can work on HVAC systems of any size, while a Class B Air Conditioning Contractor is limited to cooling systems of 25 tons or less and heating systems of 500,000 BTUs.
The HVAC trade exam includes 80 questions with a 5-hour time limit and requires a 70% passing score. Because the exam is open-book, contractors must know how to quickly navigate the approved reference materials.
Yes. Florida law requires contractors installing or servicing HVAC systems to hold a state-certified Air Conditioning Contractor license issued by the DBPR or a locally registered license.
Most applicants need four years of HVAC experience to qualify. After passing the required exams, the licensing approval process typically takes 30 to 60 days.