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  2. Section 608 - Wikipedia

    en.wikipedia.org/wiki/Section_608

    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] The law requires that all persons who maintain, service, repair or dispose of ...

  3. Heating, ventilation, and air conditioning - Wikipedia

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

    HVAC technicians in the US can receive training through formal training institutions, where most earn associate degrees. Training for HVAC technicians includes classroom lectures and hands-on tasks, and can be followed by an apprenticeship wherein the recent graduate works alongside a professional HVAC technician for a temporary period. [ 56 ]

  4. Air Conditioning, Heating and Refrigeration Institute - Wikipedia

    en.wikipedia.org/wiki/Air_Conditioning,_Heating...

    The Air Conditioning, Heating, and Refrigeration Institute ( AHRI ), formed in 2008 by a merger of the Air-Conditioning and Refrigeration Institute (ARI) and the Gas Appliance Manufacturers Association (GAMA), is a North American trade association of manufacturers of air conditioning, heating, and commercial refrigeration equipment. [ 1]

  5. Heat recovery ventilation - Wikipedia

    en.wikipedia.org/wiki/Heat_recovery_ventilation

    Heat recovery ventilation (HRV), also known as mechanical ventilation heat recovery (MVHR) is a ventilation system that recovers energy by operating between two air sources at different temperatures. It is used to reduce the heating and cooling demands of buildings. By recovering the residual heat in the exhaust gas, the fresh air introduced ...

  6. ASHRAE - Wikipedia

    en.wikipedia.org/wiki/ASHRAE

    ASHRAE was founded in 1894 at a meeting of engineers in New York City, formerly headquartered at 345 East 47th Street, and has held an annual meeting since 1895. [4] Until 1954 it was known as the American Society of Heating and Ventilating Engineers (ASHVE); in that year it changed its name to the American Society of Heating and Air-Conditioning Engineers (ASHAE). [5]

  7. 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. Its headquarters is in Chantilly, Virginia.

  8. Professional certification - Wikipedia

    en.wikipedia.org/wiki/Professional_certification

    A certification is a third-party attestation of an individual's level of knowledge or proficiency in a certain industry or profession. They are granted by authorities in the field, such as professional societies and universities, or by private certificate-granting agencies. Most certifications are time-limited; some expire after a period of ...

  9. Campus of Michigan Technological University - Wikipedia

    en.wikipedia.org/wiki/Campus_of_Michigan...

    The main Michigan Tech campus is located mainly on US 41 in Houghton, Michigan. It is the safest campus in Michigan, and the third safest in the United States according to Reader's Digest. [1] Many of the buildings are built up, as opposed to short and wide, which reduces the size of the campus. Michigan Tech also maintains the following areas ...

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