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  2. HVAC control system - Wikipedia

    en.wikipedia.org/wiki/HVAC_control_system

    HVAC (Heating, Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. [1] Usually a sensing device is used to compare the actual state (e.g. temperature) with a target state. Then the control system draws a conclusion what action has to be taken (e.g. start the ...

  3. Zhang Ruimin - Wikipedia

    en.wikipedia.org/wiki/Zhang_Ruimin

    Zhang Ruimin was born on January 5, 1949, to a working class family in Qingdao, Shandong; his parents were employed in a local garment factory. [5] As a youth, Zhang joined the Red Guards, visited Mao's birthplace, and attended rallies in Beijing since all schools had been closed, and when the movement was finally disbanded, he was able to avoid being sent down to the countryside.

  4. Haier - Wikipedia

    en.wikipedia.org/wiki/Haier

    Haier was founded as Qingdao Refrigerator Co. in 1984. With China opening up to world markets, foreign corporations began searching for partnerships in China. One of these, Germany's refrigerator company Liebherr, entered into a joint-venture contract with Qingdao Refrigerator Co., offering technology and equipment to its Chinese counterpart.

  5. Legionnaires' disease - Wikipedia

    en.wikipedia.org/wiki/Legionnaires'_disease

    It can contaminate hot water tanks, hot tubs, and cooling towers of large air conditioners. [4] It is usually spread by breathing in mist that contains the bacteria. [4] It can also occur when contaminated water is aspirated. [4] It typically does not spread directly between people, and most people who are exposed do not become infected. [4]

  6. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    The efficiency of air conditioners is often rated by the seasonal energy efficiency ratio (SEER), which is defined by the Air Conditioning, Heating and Refrigeration Institute in its 2008 standard AHRI 210/240, Performance Rating of Unitary Air-Conditioning and Air-Source Heat Pump Equipment. [61]

  7. Jeff Baena, director and husband of Aubrey Plaza, dies at 47

    www.aol.com/jeff-baena-director-husband-aubrey...

    Aubrey Plaza’s husband, director Jeff Baena, has died. He was 47. The Los Angeles County Medical Examiner confirmed his death and that he died by suicide at his home on Jan. 3, according to ...