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  2. Heating, ventilation, and air conditioning - Wikipedia

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

    Many U.S. states have licensing for boiler operation. Some of these are listed as follows: Arkansas [46] Georgia [47] Michigan [48] Minnesota [49] Montana [50] New Jersey [51] North Dakota [52] Ohio [53] Oklahoma [54] Oregon [55] Finally, some U.S. cities may have additional labor laws that apply to HVAC professionals.

  3. Section 608 - Wikipedia

    en.wikipedia.org/wiki/Section_608

    An initial verification test must then be done within 30/120 days, and then a follow-up test within 10 days of that. There are additional clauses for extensions if needed. If the leak is not to be repaired, there must be a plan to retire or retrofit the appliance within 30 days, to be completed within one year.

  4. Novar Controls - Wikipedia

    en.wikipedia.org/wiki/Novar_Controls

    Novar (also Novar Controls) is a manufacturing company based in Cleveland, Ohio, United States, which develops technology to centrally control and manage HVAC, refrigeration and lighting systems for businesses, using direct digital control and energy management. More than 40,000 sites worldwide use Novar technology, and more than 10,000 of ...

  5. AOL Search - AOL Help

    help.aol.com/products/aol-search

    AOL Search FAQs Learn tips to yield better searches, like filtering your search by location, date range, or specific category with AOL Search FAQs. AOL.com · Nov 6, 2023

  6. Vertiv - Wikipedia

    en.wikipedia.org/wiki/Vertiv

    Vertiv began as Capitol Refrigeration Industries, established in 1946 by Ralph Liebert (1918-1984) in Columbus, Ohio. Liebert developed the first prototype precision air conditioner in his garage. In early 1965, the prototype was introduced to IBM in Chicago.

  7. Daikin Applied Americas - Wikipedia

    en.wikipedia.org/wiki/Daikin_Applied_Americas

    Initial success was built on the first classroom unit ventilator and the first hermetic compressor for air conditioning use. McQuay's President, from 1933 until his death in June of 1957, was Roy Jay Resch, originally of Cleveland, Ohio. During 1941 to 1945, McQuay manufacturing facilities were converted to support the U.S. war effort.

  8. Stationary engineer - Wikipedia

    en.wikipedia.org/wiki/Stationary_engineer

    Operators controlling various equipment within a control room. A stationary engineer (also called an operating engineer, power engineer or process operator) is a technically trained professional who operates, troubleshoots and oversees industrial machinery and equipment that provide and utilize energy in various forms.

  9. Ohio purging voters. How to check your voter registration ...

    www.aol.com/ohio-purging-voters-check-voter...

    Ohio Secretary of State Frank LaRose announced in June that over 150,000 Ohio voters were eligible to be removed from the statewide voter registration database in a series of "election integrity ...

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