air conditioning wikipedia - EAS
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- Air conditioning (often referred to as A/C or AC) is the process of altering the properties of air (primarily temperature and humidity) to more comfortable conditions, typically with the aim of distributing the conditioned air to an occupied space such as a building or a vehicle to improve thermal comfort and indoor air quality.
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See all on Wikipediahttps://en.wikipedia.org/wiki/Air_conditioningAir conditioning, often abbreviated as A/C or AC, is the process of removing heat from an enclosed space to achieve a more comfortable interior environment (sometimes referred to as 'comfort cooling') and in some cases also strictly controlling the humidity of internal air. Air conditioning can be … See more
Air conditioning dates back to prehistory. Ancient Egyptian buildings used a wide variety of passive air-conditioning techniques. These became widespread from the Iberian Peninsula through North Africa, the Middle … See more
Health effects
In hot weather, air conditioning can prevent heat stroke, dehydration from excessive perspiration, and other problems related to hyperthermia. Heat waves are the most lethal type of weather phenomenon in the United … See moreMini-split and multi-split systems
Ductless systems (often mini-split, though there are now ducted mini-split) typically supply conditioned and heated air to a single or a few … See moreOperating principles
Cooling in traditional AC systems is accomplished using the vapor-compression cycle, … See moreBuildings designed with passive air conditioning are generally less expensive to construct and maintain than buildings with conventional See more
• U.S. Patent 808,897 Carrier's original patent
• U.S. Patent 1,172,429
• U.S. Patent 2,363,294
• Scientific American, "Artificial Cold", 28 August 1880, p. 138 See moreWikipedia text under CC-BY-SA license- https://simple.wikipedia.org/wiki/Air_conditionerSee more on simple.wikipedia.orgIn the 19th century British scientist and inventor Michael Faraday discovered that compressing and liquefying ammoniacould chill air when the liquefied ammonia was allowed to evaporate. In 1842, American physician Dr. John Gorrie used compressor technology to create ice, which he used to cool air for his patien…
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Innovation in air conditioning technologies continues, with much recent emphasis placed on energy efficiency. Production of the electricity used to operate air conditioners has an environmental impact, including the release of greenhouse gases. Cylinder unloaders are a met… - Refrigerants
Most refrigerants used for air conditioning contribute to global warming, and many also deplete the ozone layer.[54] CFCs, HCFCs, and HFCs are potent greenhouse gaseswhen leaked to the atmosphere. The use of CFC as a refrigerant was once common, being used in the refrigerants …
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