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A Few Interesting Facts about Central Air Conditioning

Posted by Bonnie Bornstein Fertel on Wed, May 09, 2012 @ 08:11 AM

Bornstein Sons provides rapid repair or replacement of your central air conditioning unit in northern and north central NJ.Central Air Conditioning:
Some History and Interesting Facts

What is central air conditioning? Wikipedia defines it as "the removal of heat from indoor air for thermal comfort."


Wikipedia further states: "An air conditioner (often referred to as AC or air con) is an appliance, system, or machine designed to change the air temperature and humidity within an area (used for cooling as well as heating depending on the air properties at a given time), typically using a refrigeration cycle but sometimes using evaporation, commonly for comfort cooling in buildings and motor vehicles." Thanks, Wikipedia for some of these interesting facts!

We all know that it's certainly something we don't want to be without!

Did you know that

  • The original concept of air conditioning was thought to have come from Ancient Rome
  • Early cooling applications and techniques were used in Medieval Persia using cisterns and wind towers
  • It was advances in chemistry in the early 19th century that brougt forth the emergence of central air conditioning
  • Chinese advances in the second century were made with rotary fans and water
  • In 1820, British scientist and inventor Michael Faraday discovered that compressed ammonia could chill air when the liquefied ammonia was allowed to evaporate.
  • A physician, John Gorrie, used compressor technology to create ice, which he used to cool air for his patients in his hospital in Apalachicola, Florida in 1842. He then went on to develop ice machines
  • In 1902, the first modern electrical air conditioning unit was invented by Willis Haviland Carrier in Buffalo, New York.
    • Later, his technology was applied to increase productivity in the workplace, and The Carrier Air Conditioning Company of America was formed to meet rising demand.
    • Residential sales expanded dramatically in the 1950s.
  • The first air conditioners used toxic or flammable gases, such as ammonia, methyl chloride, or propane, that could result in fatal accidents if leaked. Thomas Midgley, Jr. created the first non-flammable, non-toxic chlorofluorocarbon gas, Freon, in 1928.
  • Refrigerants are known as HCFCs (commonly referred to as R-22). The phaseout of R-22 in newly manufactured equipment began in 2010 and will be completely discontinued by 2020. (Previous bans on R500 preceded this event)
  • The manufacture of R-12 was banned in many countries in 1994 because of environmental concerns, in compliance with the Montreal Protocol.
    • Today we use R-410A, a safe refrigerant that does not destroy the ozone layer
  • Air conditioning has a positive effect on allergy sufferers and those that suffer from asthma, removing allergens and particulate from indoor air. 

The proper maintenance and servicing of your central air conditioning systems will provide comfort for you and your family. Updating older systems to newer generations of central air conditioning using ozone-safe refrigerants will reduce destructive environmental impact and reduce energy costs by increasing efficiency.

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Topics: Air Conditioning

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