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  2. Inverter compressor - Wikipedia

    en.wikipedia.org/wiki/Inverter_compressor

    This is a very common unit type. The rising cost of energy means that air conditioning manufacturers must develop a new generation of high-efficiency, cost-effective air conditioners for commercial buildings that meet or exceed a part-load efficiency standard of typically 18 IEER. The aim is to reduce energy use by 30% over current equipment.

  3. Solar air conditioning - Wikipedia

    en.wikipedia.org/wiki/Solar_air_conditioning

    The U.S. Energy Independence and Security Act of 2007 [1] created 2008 through 2012 funding for a new solar air conditioning research and development program, which should develop and demonstrate multiple new technology innovations and mass production economies of scale.

  4. R-454B - Wikipedia

    en.wikipedia.org/wiki/R-454B

    Because of its reduced global warming potential (GWP), R-454B is intended to be an alternative to refrigerant R-410A in new equipment. [2] [3] [4] R-454B has a GWP of 466, which is 78 percent lower than R-410A's GWP of 2088. [2] R-454B is non-toxic and mildly flammable, with an ASHRAE safety classification of A2L. In the United States, it is ...

  5. 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 ...

  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. Johnson Controls Hitachi - Wikipedia

    en.wikipedia.org/wiki/Johnson_Controls_Hitachi

    Johnson Controls Hitachi AC Limited is a Japanese multinational air conditioning manufacturing company that manufactures home appliances and specialises in air conditioning and cooling technology. The company was incorporated on 1 October 2015 in Tokyo, as a Joint Venture between Johnson Controls and Hitachi Appliances.

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