The Florida Air A and Air B Contractor Exam Complete Book Set contains all approved trade references required for the state mechanical-air conditioning licensing examinations, covering HVAC system design, installation, servicing, load calculations, duct construction, refrigeration principles, electrical controls, fuel-gas piping fundamentals, ventilation requirements, energy-efficiency standards, safety regulations, and contractor responsibilities. Aligned with One Exam Prep’s structured exam-prep format, the set provides the technical criteria and code-aligned guidance essential for performing regulated air-conditioning, heating, and ventilation work throughout Florida under the Air A (unlimited) and Air B (limited) classifications.
To become a Certified Air Conditioning Class A Contractor in Florida, you are required to:
A “class A air-conditioning contractor” means a contractor whose services are unlimited in the execution of contracts requiring the experience, knowledge, and skill to install, maintain, repair, fabricate, alter, extend, or design central air-conditioning, refrigeration, heating, and ventilating systems. Class A Contractors may also execute contracts requiring experience in the installation, maintenance, repair, fabrication, alteration, extension or design of duct work in connection with a complete system but only to the extent that such duct work is performed by the contractor as is necessary to complete an air-distribution system, boiler and unfired pressure vessel systems, and all appurtenances, apparatus, or equipment used in connection with them. A “class A air-conditioning contractor” shall not perform any work such as liquefied petroleum or natural gas fuel lines within buildings, potable water lines or connections, sanitary sewer lines, swimming pool piping and filters, or electrical power wiring.
Applications the Florida Air Conditioning Contractor Class A License must be submitted to the Florida Department of Business and Professional Regulation. For application instructions and assistance, call 850-487-1395. The application process includes proof of financial stability, insurance coverage details, and electronic fingerprinting among other requirements.
Florida requires all licensed contractors to complete 14 hours of continuing education during each biennial renewal period. This education must include 1 hour on workplace safety, 1 hour on workers' compensation, 1 hour on business practices, 1 hour on laws and rules, 1 hour on wind mitigation, and the remaining hours on general subjects.
Training for the exams is available through various providers, offering courses that include both Business and Finance and Trade Knowledge preparation. These courses are designed to help applicants pass their exams on the first attempt by providing them with the necessary knowledge and test-taking strategies.