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2. Liebert Corporation - Wikipedia

   en.wikipedia.org/wiki/Liebert_Corporation

   Liebert Corporation was a global manufacturer of power, precision cooling and infrastructure management systems for mainframe computer, server racks, and critical process systems headquartered in Westerville, Ohio. Founded in 1965, the company employed more than 1,800 people across 12 manufacturing plants worldwide.

3. Heating, ventilation, and air conditioning - Wikipedia

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

   Central, "all-air" air-conditioning systems (or package systems) with a combined outdoor condenser/evaporator unit are often installed in North American residences, offices, and public buildings, but are difficult to retrofit (install in a building that was not designed to receive it) because of the bulky air ducts required. [32] (Minisplit ...

4. 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. Recognising the machine's potential, IBM arranged for Liebert to debut his invention ...

5. Trane - Wikipedia

   en.wikipedia.org/wiki/Trane

   Trane is a manufacturer of heating, ventilation, and air conditioning (HVAC) systems, along with building management systems and controls. The company is a subsidiary of Trane Technologies, a company focused on manufacturing HVAC and refrigeration systems. Trane employs more than 29,000 people at 104 manufacturing locations in 28 countries, and ...

6. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   Air conditioner equipment power in the U.S. is often described in terms of " tons of refrigeration ", with each approximately equal to the cooling power of one short ton (2,000 pounds (910 kg) of ice melting in a 24-hour period. The value is equal to 12,000 BTU IT per hour, or 3,517 watts. [ 59 ]

7. American Residential Services - Wikipedia

   en.wikipedia.org/wiki/American_Residential_Services

   600 million (2010–2011) [1] Number of employees. 6,500 [2] Website. www.ars.com. American Residential Services (ARS) is a United States network of plumbing, and home and commercial heating and air conditioning (HVAC) businesses, operating under the trade name ARS/Rescue Rooter. The trade name came from the acquisition and merging of ARS and ...