60 Rare Historical Photos That You Probably Haven't Seen Before
Willis Carrier was an American engineer who invented modern air conditioning, he invented the first electrical air conditioning unit in 1902.
Let's give this man some respect. Willis Carrier was an American engineer who invented air conditioning. What would we do in New York City without him? In 1902, Carrier invented the first electrical air conditioning unit. And then In 1915, he founded Carrier Corporation - and branched off into heating and ventilation systems as well. Air conditioning changed the face of New York. Previously, buildings were designed to have circular air due to the hot summer months. Air conditioning changed all that. It also increased movie ticket sales. Back when air conditioning units were still expensive, people would buy a movie ticket so they could escape the summer heat.
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