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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. Commercial cleaning - Wikipedia

    en.wikipedia.org/wiki/Commercial_cleaning

    This is an accepted version of this page This is the latest accepted revision, reviewed on 26 October 2024. Cleaning service provided for commercial buildings and establishments "Cleaning company" redirects here. For the Australian documentary film also known as "The Cleaning Company", see Clean (2022 film). This article needs additional citations for verification. Please help improve this ...

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

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

    SMACNA members perform work in industrial, commercial, institutional and residential markets. They specialize in heating, ventilation and air conditioning (); architectural sheet metal; industrial sheet metal; kitchen equipment; specialty stainless steel work; manufacturing; siding and decking; testing and balancing; service; and energy management and maintenance.

  5. Heating, ventilation, and air conditioning - Wikipedia

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

    Heating, ventilation, and air conditioning (HVAC) is the use of various technologies to control the temperature, humidity, and purity of the air in an enclosed space. Its goal is to provide thermal comfort and acceptable indoor air quality .

  6. List of cleaning companies - Wikipedia

    en.wikipedia.org/wiki/List_of_cleaning_companies

    ISS A/S – a facility services company founded in Copenhagen, Denmark in 1901. Jani-King – an American chain and franchise of cleaning services. [4] Merry Maids – a residential cleaning service franchisor founded in 1979, acquired by ServiceMaster in 1988, with franchises in the United States, Canada and the United Kingdom. [5]

  7. Certificate of occupancy - Wikipedia

    en.wikipedia.org/wiki/Certificate_of_occupancy

    A certificate of occupancy is evidence that the building complies substantially with the plans and specifications that have been submitted to, and approved by, the local authority. It complements a building permit —a document that must be filed by the applicant with the local authority before construction to indicate that the proposed ...

  8. AOL Mail

    mail.aol.com

    AOL Mail is free and helps keep you safe. From security to personalization, AOL Mail helps manage your digital life Start for free

  9. 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]