License Classifications:
HVAC Servicer-Installer Contractor
HVAC Servicer-Installer Journeyman and Apprentice
HVAC Servicer-Installer Journeymen and Apprentices working under the supervision of Journeymen may install, alter, reconstruct, repair and service HVAC Systems that provide no more than 25 tons of air-conditioning or 1M BTU's of heating, except for chillers, fire-tube type boilers and boilers that operate at a pressure of more than 15 psi of steam. Such workmen can still perform service work on larger HVAC Systems with certain restrictions concerning replacement of such larger systems, the installation of chillers, fire-tube type boilers and/or boilers that operate at a pressure of more than 15 psi of steam as well as the current limitations concerning altering the capacity or capability of such larger systems.
All commercial heating and air-conditioning work, regardless of its size, is required to be installed by licensed contractors using appropriately licensed Journeymen & Apprentices under the supervision of Journeymen.
Residential air-conditioning not exceeding 5 tons of cooling capacity or 150,000 BTU's of heating capacity nor more than 14 dwelling units is exempted.
In addition, refrigeration work involving less than 7 ½ tons of refrigeration is exempted for items such as: reach-in coolers & freezers, walk-in coolers & freezers, water coolers, beverage and beer dispensing machines and related equipment, beverage coolers & soda carbonated systems.
The provisions requiring filing of Financial Responsibility bond and insurance certificates by general contractor's who are performing work that is regulated by the Mechanical Code but exempted from licensing, remain unchanged.
HVAC Servicer-Installer Journeyman may work on all sizes of HVAC systems to be counted toward the minimum 7500 hours of experience necessary to obtain such a license.
Abstracts of the revised provisions of the Mechanical Code on licensing of mechanical work, including new categories of licenses, exceptions, etc., can be obtained at the Satellite and Clayton Government Offices.
Mechanical Code Licensing Information