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The Class L license, also known as a “Lifetime” license, allows the license holder to perform service and maintenance work on systems that develop no more than 15 tons of cooling capacity per unit or 1 million BTUH heating input per unit and refrigeration systems of 15 horsepower or less. This type of license does not allow the holder to sell, install, or service heating and air conditioning equipment. A Class E licensee may perform refrigeration work. A Class D license holder cannot sell, install, or service any HVAC/R systems or equipment. This classification allows the license holder to perform sheet metal work for duct systems connected to HVAC/R equipment, regardless of the levels of horsepower or output of the equipment. The holder of this license is not allowed to install any original HVAC/R system or replace any entire existing HVAC/R equipment. Class C licenses permit the licensee to service, repair, and replace components in HVAC/R systems and equipment that produce no more than 15 tons of cooling capacity per unit or 1 million BTUH heating input per unit, as well as refrigeration systems of 15 horsepower or less. Class B technicians are also authorized to work on refrigeration systems of 15 horsepower or less per unit.

A Class B HVAC License gives the technician authority to install, repair, and maintain heating and air conditioning systems that produce no more than 1 million BTUH heating input per unit, or 15 tons of cooling capacity per unit. A Class A license allows the holder to work on heating, ventilation, air conditioning, and refrigeration systems without limitation to the horsepower or BTUH (British Thermal Unit per Hour) capacities. There are six types of HVAC Certification Practice Tests: What are the different types of HVAC licenses? However, contractors are required to be licensed.

You are not required to have an Arkansas HVAC license to become an HVAC technician.

Do you need a license in Arkansas to become an HVAC technician? This guide will provide you with information about obtaining your Arkansas HVAC license, including the different levels, fees, educational requirements, and benefits of starting your own HVAC business.

Great Britain plumber installer license prep class for windows instal free