Willis Carrier Invented Modern A/C on July 17, 1902

Integrity AC is Proud to Install and Maintain Carrier Air Conditioning

On July 17, 1902, Willis Carrier designed the first modern air-conditioning system, launching an industry that would fundamentally improve the way we live, work and play.

Willis Carrier – Father of Modern Air Conditioning

Before the invention of modern air conditioning, hot, steamy weather often meant lost work days and sleepless nights. On July 17, 1902, Willis Haviland Carrier designed the first modern air-conditioning system, launching an industry that would fundamentally improve the way we live, work and play.

The impact of air conditioning cannot be overstated. Dallas and other places where stifling hot weather is a factor – enjoyed an economic boom as people settled in large numbers. They were protected from harsh summer heat and humidity by Carrier’s invention of air conditioning. That population shift in turn changed the economic balance of the nation. Even the nature of architectural design changed. With air conditioning, it was possible to build glass-clad skyscrapers.

First A/C – Industrial Use Only

Carrier’s First AC Design, 1902

On July 17, 1902, the young research engineer Willis Carrier initialed a set of mechanical drawings designed to solve a production problem at the Sackett & Wilhelms Lithography and Printing Company in Brooklyn, New York.

These were not the first drawings that 25-year-old Willis Carrier had prepared on behalf of his new employer, the Buffalo Forge Company. Since graduation from Cornell University a year earlier, this modest but gifted engineer had turned out designs for a heating plant, a lumber dry kiln and a coffee dryer, among others. Such products were the stock-in-trade of Buffalo Forge, a respected supplier of forges, fans and hot blast heaters.

This new design was different—so novel, in fact, that it would not only help to solve a problem that had long plagued printers, but would one day launch a company and create an entire industry essential to global productivity and personal comfort.

Willis Haviland Carrier, recently graduated from Cornell University and pulling down 10 bucks a week (about $260 in cold cash today) was working for the Buffalo Forge heating company in upstate New York. He was tasked with finding a solution for a printing company in Brooklyn that was having problems: Its paper was expanding or contracting in the variable East Coast humidity. That played havoc with the color register for four-color printing, since the ink, applied one color at a time, required pinpoint calibration to avoid badly aligned, muddy illustrations.

The system that Carrier devised still forms the basis of the air conditioner (or, more accurately, humidity controller) today: Air was forced through a filter of a piston-driven compressor, where it was pumped over coils that were chilled using coolant. The cold air was then expelled into a closed space using a fan, cooling the room and stabilizing the humidity.

Dallas 2018 Heat Wave Air Conditioning Tips


From https://www.carrier.com/carrier/en/us/about-carrier/history

Carrier’s Slide Rule 1881

Willis Carrier’s slide rule, a circular calculating instrument, was patented in 1881 and manufactured by Kueffel & Esser. At the slide rule’s core is a cylinder, or slide, containing a series of scales. Careful scale alignment yields the precision of a modern calculator. Carrier used this instrument to calculate dew point control, a breakthrough that was the foundation of his invention of modern air conditioning.

1902 Starting the A/C Engine

Willis Carrier starts the engine that will drive the world’s first modern air conditioning system, installed in the summer of 1902 at the Sackett & Wilhelms printing plant in Brooklyn, New York. This artist’s conceptualization appeared in the August 1954 edition of Steelways magazine, which noted, thanks to Carrier, that “air conditioning spread through the industry like a cool breeze.”

1915 Carrier’s Beginnings

A group portrait of the engineers of Buffalo Forge Company includes Willis Carrier (bottom row, third from right) and his future business partner, J. Irvine Lyle (middle row, sixth from left). Carrier, Lyle and five fellow engineers would launch Carrier Engineering Corporation as an independent entity in 1915.

Dr. Carrier, “The Chief”

The invention of modern air conditioning in July 1902 was just the beginning for Willis Carrier, whose contributions to efficient industrial production and enhanced human comfort over the next 50 years were so comprehensive that he became known as “The Father of Air Conditioning.”

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Integrity Air Conditioning works on all makes and models a/c – including Carrier.

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Since 1999, Integrity Air Conditioning is a Dallas area family owned and family operated HVAC Services company providing air conditioning, heating and indoor air quality services; residential ac and heating and commercial HVAC.

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