Air Conditioning Impacts Our Environment Here On Earth - Find Out How
Shrouded in technological cocoons, people forget how hostile the earth can be
. With rivers dammed, hurricanes plotted, and rain shed, nature's powerful forces are reduced to curiosities and tourist attractions. No invention has spurred this domestication of the environment more than the air conditioner. It allows humans to comfortably reside in areas once feared. With the turn of a thermostat, placation flows from a central duct, and humanity reigns supreme.
Sad ? Who knows. We shall leave such hypothesizing to the poets. For the rest, air conditioner is a god-send, a life-savior. But how did it come to be? Did it come, like fire, from a wayward Grecian god? Or, like agony and angriness, from an opened Pandora's box? There we are going intellectualizing again.
Air conditioning, of sorts, originated in the depths of ancient Mesopotamia and Eastern Asia. The Chinese used water-powered fan wheels, the Persians used wind towers, the Muslims used cistern wind catchers, and the Egyptians used ventilators. AC was mostly relegated to temporary snatches of cooling wind and fresh water.
A couple of thousand years after, thing had not modified much. Essentially air conditioners still blew air over cold ice. Nonetheless men like Benjamin Franklin, Michael Faraday and John Gorrie pioneered the development of the modern air conditioner, one that relied on chemical refrigeration and evaporative cooling. Gorrie, actually, used his air conditioner, one that compressed and liquefied ammonia, in his Florida hospital. But something was missing, a discovery was lacking.
In stepped Willis Haviland Carrier, student of Cornell College with an M.D. In Engineering. In 1902, Carrier made an evaporative cooling air conditioner used to stabilise the temperature and humidity of a room to manage the lithographing process of the Sackett-Wilhelms Lithographing and Publishing Corp . Enthused with his creativity, Carrier started spreading his air conditioners like flying daisy seeds and formed the Carrier Engineering Co. in 1915, turning into the first proverbial HVAC contractor.
Nonetheless with basic air con, fix was still needed. Carrier, and inventors Stuart Cramer and I. H. Hardeman, made new and more effective air conditioners. Carrier switched to a centrifugal compressor, which used fan blades versus reciprocating compressors to offer power. Thomas J. Midgley, Jr, added the finishing touches in 1928 when he introduced his chlorofluorocarbon creation, Freon, thrashing more dangerous refrigerants like ammonia and propane.
Built upon the shoulders of such giants, air conditioners and refrigerants cooled brows, froze food, and made life generally more bearable. For the first time in years, people began flocking to the South, rather than running away. Air conditioning changed the architectural, engineering, foods, transportation, social welfare and chemical industries, along with many others. Countries in Central America, in Indonesia, in Northern Africa, in the Middle East and other areas now sustain massive populations, due in a large part to air conditioning and refrigeration.
by: Jackie Henshawl
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