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  2. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    The first mini-split system was sold in 1961 by Toshiba in Japan, and the first wall-mounted mini-split air conditioner was sold in 1968 in Japan by Mitsubishi Electric, where small home sizes motivated their development. The Mitsubishi model was the first air conditioner with a cross-flow fan.

  3. 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.

  4. Midea Group - Wikipedia

    en.wikipedia.org/wiki/Midea_Group

    Starting with only CN¥5,000 to open a workshop for the production of bottle lids in Beijiao, Shunde in 1968, He Xiangjian (Chinese: 何享健), the founder of the company, has since turned Midea into one of the most successful private companies in China, with sales revenue for the entire Group declared at US$ 40.5 billion for 2020 financial year, as well as listed on the main board of the ...

  5. Mitsubishi Electric - Wikipedia

    en.wikipedia.org/wiki/Mitsubishi_Electric

    Some product lines of Mitsubishi Electric, such as air conditioners, overlap with the products from Mitsubishi Heavy Industries partly because the companies share the same root. [6] [5] Air conditioning systems Room air conditioners (marketed as Mitsubishi Mr. Slim Room Air Conditioner and Mitsubishi Kirigamine)

  6. 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.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.

  9. Air source heat pump - Wikipedia

    en.wikipedia.org/wiki/Air_source_heat_pump

    The main components of a split-system (called split as there are both inside and outside coils) air source heat pump are: An outdoor evaporator heat exchanger coil, which extracts heat from ambient air; One or more [9] indoor condenser heat exchanger coils. They transfer the heat into the indoor air, or an indoor heating system such as water ...

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