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Transcribed

The Evolution of Air Conditioning!

THE HISTORY OF COOL: AC EVOLUTION 1820 MICHAEL 183ØS FARADAY discovered compressing DR. JOHN ammonia has cooling effect GORRIE built mini prototype AC Wanted device to cool Florida hospital where he worked Device blew cold air over ice 1851 GORRIE RECEIVED patent but couldn't get financial backing 1881 COOLING UNIT BUILT for President James Garfield after he was shot Lowered room temps by 20 degrees 1902 Used half a million pounds of ice in two months "APPARATUS FOR TREATING AIR" invented by Willis Carrier Invented for Sackėtt & Wilhelms Lithographic and Publishing, NYC 1906 Carrier started Carrier Air Conditioning Company due to high demand STUART CRAMER used ventilator to add water vapor to air Used to increase humidity in textile mill A' 1914 CHARLES GATES of Minneapolis 1931 received ist in-home AC 7 ft. high/6 ft. wide/20 ft. long INDIVIDUAL ROOM AC units debuted Sat on window edges $10,000 - $50,000 per unit 1939 PACKARD introduced air conditioning in cars 1953 1 MILLION home AC units sold 197ØS CENTRAL AIR replaced window units 1994 FREON BANNED in many countries Honeywell and Carrier developed new coolants 2007 87% of U.S. homes had AC INFOGR APHIC PROVID ED BY Texas Conditioning V Specialist www.tx-acspecialist.com http://www.popularmechanics.com/home/improvement/electrical-plumbing/ a-brief-history-of-air-conditioning-10720229 http://www.slate.com/articles/arts/culturebox/2011/07/a_history.of_air_conditioning.html

The Evolution of Air Conditioning!

shared by BrittSE on Jul 25
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In 1931, individual room AC units made their debut. At the time, each unit cost between $10,000 and $50,000. Check out this infographic to learn about air conditioners and how they evolved into the ef...

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