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  2. 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.

  3. 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]

  4. National Environmental Balancing Bureau - Wikipedia

    en.wikipedia.org/wiki/National_Environmental...

    Founded in 1971 and headquartered in Gaithersburg, Maryland, USA; the National Environmental Balancing Bureau (NEBB) is an international association certifying firms and qualifying supervisors and technicians in the following disciplines: Testing, Adjusting, and Balancing (TAB) of HVAC systems; Building Systems Commissioning (BSC); Sound and Vibration Measurement (S&V); Retro-commissioning ...

  5. North American Board of Certified Energy Practitioners

    en.wikipedia.org/wiki/North_American_Board_of...

    The North American Board of Certified Energy Practitioners (NABCEP) is a nonprofit professional certification and accreditation organization that offers both individual and company accreditation programs for photovoltaic system installers, solar heat installers, technical sales, and other renewable energy professionals throughout North America. [1]

  6. Occupational licensing - Wikipedia

    en.wikipedia.org/wiki/Occupational_licensing

    With occupational licensing varying by state, another channel through which licensing can affect employment is through reduced mobility. The patchwork of regulations raises the cost of cross-state mobility for workers in these occupations. This will result in slower adjustment costs to regional economic shocks which can result in higher ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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