The Inventor of Modern
Air Conditioning

Changed how we live,
work and play

  • Before the invention of modern air conditioning, hot, steamy weather often meant lost work days and sleepless nights. On July 17, 1902, Willis Haviland Carrier designed the first modern air-conditioning system, launching an industry that would fundamentally improve the way we live, work and play.

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  • 1902 - Willis Carrier starts the engine that will drive the world's first modern air conditioning system, installed in the summer of 1902 at the Sackett & Wilhelms printing plant in Brooklyn, New York. An artist's conceptualization appeared in the August 1954 edition of Steelways magazine, which noted, thanks to Carrier, that "air conditioning spread through the industry like a cool breeze."

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  • 1911 - Willis Carrier's Rational Psychrometric Formulae brought science to what had been the often hit-or-miss design of air-conditioning systems, and in the process made Carrier an international name. The chart would be updated and reprinted regularly, serving as an essential tool to generations of engineers.

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