Inventor of Air Conditioning
Willis Haviland Carrier (Nov. 26, 1876 – Oct. 7, 1950) was an American engineer, best known for inventing modern air conditioning. In Buffalo, New York, on July 17, 1902, in response to a quality problem experienced at the Sackett-Wilhelms Lithographing & Publishing Company of Brooklyn, Willis Carrier submitted drawings for what became recognized as the world’s first modern air conditioning system. The 1902 installation marked the birth of air conditioning because of the addition of humidity control, which led to the recognition by authorities in the field that air conditioning must perform four basic functions: 1.) control temperature; 2.) control humidity; 3.) control air circulation and ventilation; 4.) cleanse the air.
On December 3, 1911, Carrier presented the most significant and epochal document ever prepared on air conditioning – his “Rational Psychrometric Formulae” – at the annual meeting of the American Society of Mechanical Engineers. It became known as the “Magna Carta of Psychrometrics.” This document tied together the concepts of relative humidity, absolute humidity, and dew-point temperature, thus making it possible to design air-conditioning systems to precisely fit the requirements at hand.
By increasing industrial production in the summer months, air conditioning revolutionized American life. The introduction of residential air conditioning in the 1920s helped start the great migration to the Sunbelt.