The term "air conditioning" was first used by American physicist Stuart W. Cramer in 1907 - years before a practical air conditioning system was invented. The American inventor Willis Carrier (1876-1950) invented air conditioning in 1911, and commercial air conditioners were produced in 1914.
A patent request was filed in 1931 by H.H. Schultz and J.Q. Sherman for an air conditioner to be placed on window ledges. Room air conditioners were available for home use in 1932, but economic constraints arising from the depression and World War II, together with the uneven spread of electrical power distribution systems, prevented widespread use until after the war.
1 photoQUICK FACTS
- NAME: Willis Haviland Carrier
- OCCUPATION: Entrepreneur, Inventor
- BIRTH DATE: November 26, 1876
- DEATH DATE: October 07, 1950
- PLACE OF BIRTH: Angola, New York
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Willis Carrier designed the first system to control temperature and humidity in 1902.
In 1902, only one year after Willis Haviland Carrier graduated from Cornell University with a Masters in Engineering, the first air (temperature and humidity) conditioning was in operation, making one Brooklyn printing plant owner very happy. Fluctuations in heat and humidity in his plant had caused the dimensions of the printing paper to keep altering slightly, enough to ensure a misalignment of the colored inks. The new air conditioning machine created a stable environment and aligned four-color printing became possible. All thanks to the new employee at the Buffalo Forge Company, who started on a salary of only $10.00 per week.
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