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Home / Unique Inventions / US808897A - Birth of modern Air Condition System

US808897A - Birth of modern Air Condition System

July 17, 2021

US808897A: Apparatus for treating air

In 1906, Willis Carrier received a patent for an “apparatus for treating air." His addition of humidity control marked the birth of modern air conditioning, and he went on to co-found carrier in 1915 (Click here to download a patent).

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