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Thursday, 28 July 2011

Air Conditioning

Dr. John Gorrie of Appalachicola, Florida invented mechanical refrigeration, patenting his ice making device on May 6, 1851. Gorrie sought to raise money to manufacture his cooling machine, but the venture failed when his partner died. There is a statue which honors this "Father of Modern Day Air Conditioning" in the Statuary Hall of the capitol building in Washington, DC.
Schematic of Gorrie's ice machine.
American engineer Willis Carrier (November 26, 1876 – October 7, 1950) invented the first electric air conditioning unit after he was commissioned to come up with the design by a printing company whose work was being wrecked by humidity in the factory. He was awarded a patent for his appliance on January 2, 1902. The installation marked the birth of air conditioning because of the addition of humidity control.

Willis Carrier in 1915

New York’s four biggest post-war skyscrapers were equipped with Carrier's systems in the early Fifties.

The Milam Building in San Antonio, Texas, was the first high-rise air-conditioned office building in the United States when it opened in January 1928. The system provided 300 tons of refrigeration capacity with chilled water, piped to air-handling fans serving all floors.

Air conditioners in cars were introduced in Chicago by Packard Motor Company in 1939.

Iranians still use the ancient form of air conditioning called the badgir. It is a tower with vents on top and allows cool air to accelerate down into a building.

A modern example of utilizing wind catchers and other “green technology” for public buildings can be found at Zion National Park Visitors Center (ZNPVC) in Utah.

UPS trucks don't come with air conditioning which is why they drive with open doors.

Air-conditioning in casinos is oxygen enriched to help players stay alert and gamble longer.

Air conditioning consumed 5% of all U.S. electricity during the summer of 2015—that's two tons of CO2 per house per year.

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