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  2. Section 608 - Wikipedia

    en.wikipedia.org/wiki/Section_608

    Section 608 (together with Section 609, which covers motor vehicles) of the Clean Air Act serves as the main form of occupational licensure for technicians in the heating, ventilation, and air conditioning (HVAC) industry in the United States. [1]

  3. List of construction trades - Wikipedia

    en.wikipedia.org/wiki/List_of_construction_trades

    Sheet metal worker, also known as a Mechanical Worker, A person who installs Heating Ventilation and Air Conditioning systems (HVAC), duct work, and exhaust systems for kitchens, bathrooms, laundry rooms, furnaces, etc. They also install gas lines and gas piping to a variety of appliances in homes and different types of businesses.

  4. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    The HVAC industry was historically regulated by the manufacturers of HVAC equipment, but regulating and standards organizations such as HARDI (Heating, Air-conditioning and Refrigeration Distributors International), ASHRAE, SMACNA, ACCA (Air Conditioning Contractors of America), Uniform Mechanical Code, International Mechanical Code, and AMCA ...

  5. Air Movement and Control Association - Wikipedia

    en.wikipedia.org/wiki/Air_Movement_and_Control...

    AMCA Publication 502 - Damper Application Manual for Heating, Ventilating, and Air Conditioning is a guide to understanding the various types of dampers available and items to be considered for their proper use. Dampers classified as fire dampers, heat dampers, and smoke dampers are not included.

  6. Sheet Metal and Air Conditioning Contractors' National ...

    en.wikipedia.org/wiki/Sheet_Metal_and_Air...

    The Sheet Metal and Air Conditioning Contractors' National Association (SMACNA; pronounced 'Smack'-'Nah') is an international trade association with more than 4,500 contributing contractor members [1] in 103 chapters [2] throughout the United States, Canada, Australia and Brazil.

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