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  2. Mitsubishi Electric Trane HVAC - Wikipedia

    en.wikipedia.org/wiki/Mitsubishi_Electric_Trane_HVAC

    An agreement between Ingersoll Rand and Mitsubishi Electric regarding establishment of the joint venture was reached in January 2018 [1] and the company started operation in mid-2018. [2] METUS markets, sells and distributes heating and air-conditioning systems in the United States and Latin America. [3]

  3. 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]

  4. Heating, ventilation, and air conditioning - Wikipedia

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

    The benefits of ductless air conditioning systems include easy installation, no ductwork, greater zonal control, flexibility of control, and quiet operation. [34] In space conditioning, the duct losses can account for 30% of energy consumption. [35]

  5. Variable refrigerant flow - Wikipedia

    en.wikipedia.org/wiki/Variable_refrigerant_flow

    Variable refrigerant flow (VRF), also known as variable refrigerant volume (VRV), is an HVAC technology invented by Daikin Industries, Ltd. in 1982. [1] Similar to ductless mini-split systems, VRFs use refrigerant as the primary cooling and heating medium, and are usually less complex than conventional chiller-based systems.

  6. Baby found abandoned Christmas morning in Adams County ...

    www.aol.com/baby-found-abandoned-christmas...

    Two people have been arrested and are facing charges of felony child abuse after a one-month-old baby was discovered in the median of a road Christmas morning.

  7. No FBI informants were authorized to enter Capitol on January ...

    www.aol.com/4-fbi-sources-entered-capitol...

    The Justice Department inspector general outlined the FBI’s use of confidential sources ahead of the Jan. 6, 2021 attack in a report issued Thursday.