Air conditioning, have you ever wondered how long it has been around? A date you will never forget

Air conditioning, like never before, proved to be very useful in combating the heat: it was then that it was born.

air conditioner (Pixabay photo)

The summer of 2022 turns out to be one of the hottest ever, with very high temperatures and a heatstroke on the Italian peninsula since the end of May. A few isolated thunderstorms are used to cool the air, but only for a very short time. The grip of the heat has returned, in general, to be felt and at least until the beginning of August it will leave no respite.

The difficulty of carrying out normal activities, with temperatures that in the hottest hours of the day in some cases reach 40 degrees, is really difficult. For many, salvation, whether at home or in the office, is called air conditioning. An invention blessed by many and which is often used to lower the temperature of rooms and cool down.

But when was this invention born that undoubtedly changed our lives? The date of birth of air conditioning dates back to the beginning of the 20th century, in the United States, as is often the case in one of the countries at the forefront of technology.

Air conditioning, a revolutionary invention: it was requested for the first time by… a printing company

The creation of a new ventilation system is entrusted to a young American engineer, Willis Haviland Carrier. The request came from a printing company, which had a big problem.

air conditioner (Pixabay photo)

The Sackett & Wilhelms Lithography and Printing Company of Pittsburgh was located in a very humid area at the confluence of the Allegheny and Monongahela rivers to form the Ohio. Because of this humidity, the paper produced deformed on contact with the ink and became unsaleable.

The printer turned to Buffalo Forge, which specializes in ventilation systems, which commissioned the work from Carrier. Looking at the fog at the station, I think of absorbing the steam by passing it through the water and thus imagining the first cooling system. It was July 17, 1902.

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The first models were very bulky and suitable only for industrial use. Common usage was cleared in cinemas from the 1920s. If only in the not too distant years, it became an asset available to everyone.

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