Air A, Air B and Mechanical Online Exam Preparation

The Online Course covers in great detail:  Tabbing and Highlighting your books, A video series on Math Questions, Flashcards and Practice Quizzes, and a Practice Final Exam.

Do you qualify?

It’s bad for us and bad for you if you pass the test but do not meet the State’s requirements for licensure. If you are not sure call
904-722-9994 to speak to one of our consultants.

Which License should I go for?

A “class B air-conditioning contractor” means a contractor whose services are limited to 25 tons of cooling and 500,000 BTU of heating in any one system 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, including duct work in connection with a complete system. A “class B 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.

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.

A “mechanical 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, including duct work in connection with a complete system. A “mechanical contractor” shall not perform work that involves potable water lines or connections, sanitary sewer lines, swimming pool piping and filters or electrical power wiring.

Requirements to apply for a Air A. Air B or Mechanical License:


EXAMINATION: 
Individuals seeking licensure as a CERTIFIED contractor must first take and pass a state certification examination.

EXPERIENCE/EDUCATION: Applicants are required to have four years of W2 experience or a combination of college and experience.


  • Class A Air Conditioning Contractor: Over 25 tons.
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  • Class B Air Conditioning Contractor: Under 25 tons.
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    Mechanical Contractor: Unlimited tonnage and includes Boilers/pressure vessel systems, Gas, air, vacuum, oxygen, nitrous oxide, ink, and chemical line piping, Piping and installation of gasoline tanks, Condensate drain piping, Piping for lift stations, LP/Natural Gas piping (within buildings), Direct digital control and/or low voltage wiring, Sheet Metal Ductwork, Fabrication of Sheet Metal Ductwork.
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