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Today in History: July 17

Slide 1 of 11: Mandatory Credit: Photo by Everett/Shutterstock (10284293a) Willis Carrier poses with first chiller air conditioner he invented, 1922 Historical Collection

1902: Willis Carrier creates the first air conditioner

Willis Haviland Carrier designs the first modern air-conditioning system, launching an industry that would fundamentally improve the way we live, work and play.

© Everett/Shutterstock
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