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First Attempt of making an Air Conditioner went pretty well for the time. It was attempted by Dr John Gorrie
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In the 1830 the first succesful air conditioner was made and it basically was a machine which blew ice in hot hospital rooms
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In 1881, when President James Garfield was dying, engineers formed a box shaped object which had clothes soaked in cold ice water and a fan blew the heat over to cool people down. This device was able to make a room 20 degrees (farienheight) lower than the room originally was
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Willis Carrier made a machine to reduce the humidity and air temperature by about 55%
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In 1914 the more modern air conditioners (which could be used at home) were being made by Charles Gates, however at that time they were very expensive, big/bulky and very dangerous machines (since toxic materials were used to produce cooling)
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A breakthrough happened in 1922 when Carrier designed a way to make the air conditioners smaller sized
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In 1925 air conditioners were being used in offices, movie/ broadway theare, department stores and railroad cars.
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By 1928 air conditioners were being used in the White House, The United States House of Representative and the Supreme Court.
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In 1953, after world war II, air conditioners were being used very frequently and used everywhere,Window units had started to be sold too.
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The modern day air conditioners are used to cool down homes during heat waves and to live in a confortable environment.