Where did AC come from?

90% of American households have AC, but where did it all start?

A lot of us enjoy the luxury of air conditioning, but just over 100 years ago in 1902, the first ever air conditioning unit was born.

Willis Carrier who, at the time, worked for the Buffalo Forge Company, was tasked with creating something to control the humidity at the Sackett & Wilhelms Lithographing and Publishing Company in Brooklyn. The humidity at the plant was causing pages to wrinkle and ink to be misaligned.

Carrier designed a system for the humidity that heated water to humidify and cooled water to dehumidify the air in the plant. He then patented the “Apparatus for Treating Air.”

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Through testing, he also designed a system to control the humidity automatically.

This invention led to the advancement of refrigeration-based cooling that led to the first ever air conditioning in a home in 1914 and the first ever public air conditioning in movie theaters in 1920.

Needless to say, Willis Carrier’s great feats brought comfort to the world we know today.