Willis Carrier
Encyclopedia
Willis Haviland Carrier (November 26, 1876 – October 7, 1950) was an American engineer
Engineer
An engineer is a professional practitioner of engineering, concerned with applying scientific knowledge, mathematics and ingenuity to develop solutions for technical problems. Engineers design materials, structures, machines and systems while considering the limitations imposed by practicality,...

 and inventor, and is known as the man who invented modern air conditioning
Air conditioning
An air conditioner is a home appliance, system, or mechanism designed to dehumidify and extract heat from an area. The cooling is done using a simple refrigeration cycle...

.

In Buffalo, New York
Buffalo, New York
Buffalo is the second most populous city in the state of New York, after New York City. Located in Western New York on the eastern shores of Lake Erie and at the head of the Niagara River across from Fort Erie, Ontario, Buffalo is the seat of Erie County and the principal city of the...

, on July 17, 1902, in response to a quality problem experienced at the Sackett-Wilhelms Lithographing & Publishing Company of Brooklyn
Brooklyn
Brooklyn is the most populous of New York City's five boroughs, with nearly 2.6 million residents, and the second-largest in area. Since 1896, Brooklyn has had the same boundaries as Kings County, which is now the most populous county in New York State and the second-most densely populated...

, 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.

After several more years of refinement and field testing, on January 2, 1906, Carrier was granted U.S. patent No. 808897 on his invention, which he called an "Apparatus for Treating Air," the world's first spray-type air conditioning equipment. It was designed to humidify or dehumidify air, heating water for the first and cooling it for the second.

In 1906, Carrier discovered that "constant dew-point depression provided practically constant relative humidity," which later became known among air conditioning engineers as the "law of constant dew-point depression." On this discovery he based the design of an automatic control system, for which he filed a patent claim on May 17, 1907. The patent, No. 1,085,971, was issued on February 3, 1914.

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
American Society of Mechanical Engineers
The American Society of Mechanical Engineers is a professional body, specifically an engineering society, focused on mechanical engineering....

. 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.

With the onset of World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

 in late-1914, the Buffalo Forge Company
Buffalo Forge Company
-History:The Buffalo Forge Company was formed in 1878 to manufacture blacksmith’s forges. Their product offerings were expanded to include drilling machines in 1883, and steam engines and pumps in 1889. In 1902, Willis Carrier an engineer at Buffalo Forge, submitted drawings for what became...

, for which Carrier had been employed 12 years, decided to confine its activities entirely to manufacturing. The result was that seven young engineers pooled together their life savings of $32,600 to form the Carrier Engineering Corporation in New York
New York
New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

 on June 26, 1915. The seven were Carrier, J. Irvine Lyle, Edward T. Murphy, L. Logan Lewis, Ernest T. Lyle, Alfred E. Stacey, Jr., and Edmund P. Heckel. The company eventually settled on Frelinghuysen Avenue in Newark, New Jersey
Newark, New Jersey
Newark is the largest city in the American state of New Jersey, and the seat of Essex County. As of the 2010 United States Census, Newark had a population of 277,140, maintaining its status as the largest municipality in New Jersey. It is the 68th largest city in the U.S...

.

Despite the development of the centrifugal refrigeration machine and the commercial growth of air conditioning to cool buildings in the 1920s, the company ran into financial difficulties, as did many others, as a result of the Wall Street Crash
Wall Street Crash of 1929
The Wall Street Crash of 1929 , also known as the Great Crash, and the Stock Market Crash of 1929, was the most devastating stock market crash in the history of the United States, taking into consideration the full extent and duration of its fallout...

 in October 1929. In 1930, Carrier Engineering Corp. merged with Brunswick-Kroeschell Company and York Heating & Ventilating Corporation to form the Carrier Corporation
Carrier Corporation
The Carrier Corporation is one of the world’s largest manufacturers and distributors of heating, ventilating and air conditioning systems, and a global leader in the commercial refrigeration and food service equipment industry...

, with Willis Carrier named Chairman of the Board.

Spread out over four cities in New Jersey
New Jersey
New Jersey is a state in the Northeastern and Middle Atlantic regions of the United States. , its population was 8,791,894. It is bordered on the north and east by the state of New York, on the southeast and south by the Atlantic Ocean, on the west by Pennsylvania and on the southwest by Delaware...

 and Pennsylvania
Pennsylvania
The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

, Carrier consolidated and moved his company to Syracuse, New York
Syracuse, New York
Syracuse is a city in and the county seat of Onondaga County, New York, United States, the largest U.S. city with the name "Syracuse", and the fifth most populous city in the state. At the 2010 census, the city population was 145,170, and its metropolitan area had a population of 742,603...

, in 1937, and the company became one of the largest employers in central New York
New York
New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

. In 1930, he started Toyo Carrier and Samsung Applications in Korea
Korea
Korea ) is an East Asian geographic region that is currently divided into two separate sovereign states — North Korea and South Korea. Located on the Korean Peninsula, Korea is bordered by the People's Republic of China to the northwest, Russia to the northeast, and is separated from Japan to the...

 and Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

. South Korea
South Korea
The Republic of Korea , , is a sovereign state in East Asia, located on the southern portion of the Korean Peninsula. It is neighbored by the People's Republic of China to the west, Japan to the east, North Korea to the north, and the East China Sea and Republic of China to the south...

 is now the largest producer for air conditioning in the world.

The Great Depression
Great Depression
The Great Depression was a severe worldwide economic depression in the decade preceding World War II. The timing of the Great Depression varied across nations, but in most countries it started in about 1929 and lasted until the late 1930s or early 1940s...

 slowed residential and commercial use of air conditioning. Willis Carrier's igloo
Igloo
An igloo or snowhouse is a type of shelter built of snow, originally built by the Inuit....

 in the 1939 New York World's Fair
1939 New York World's Fair
The 1939–40 New York World's Fair, which covered the of Flushing Meadows-Corona Park , was the second largest American world's fair of all time, exceeded only by St. Louis's Louisiana Purchase Exposition of 1904. Many countries around the world participated in it, and over 44 million people...

 gave visitors a glimpse into the future of air conditioning, but before it became popular, World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 began. During the post-war economic boom of the 1950s, air conditioning began its tremendous growth in popularity.

The company pioneered the design and manufacture of refrigeration machines to cool large spaces. 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
Sun Belt
The Sun Belt or Spanish Belt is a region of the United States generally considered to stretch across the South and Southwest . Another rough boundary of the region is the area south of the 36th parallel, north latitude. It is the largest region which the U.S government does not recognize officially...

. The company became a subsidiary of United Technologies Corporation in 1980. Carrier remains a world leader in commercial and residential HVAC and refrigeration. In 2007, the Carrier Corporation
Carrier Corporation
The Carrier Corporation is one of the world’s largest manufacturers and distributors of heating, ventilating and air conditioning systems, and a global leader in the commercial refrigeration and food service equipment industry...

 had sales of more than $15 billion and employed some 45,000 people.

Personal life

Willis Haviland Carrier was born on November 26, 1876, in Angola, New York. He was the son of Duane Williams Carrier (1836–1908) and Elizabeth R. Haviland (1845–88). Elizabeth (daughter of David Jay Haviland and Ann Elizabeth Button) named him Willis Haviland after her uncle-in-law Willis Hoag Haviland, with whom she lived after the death of her father in 1868 and before her marriage to Duane Carrier. Willis Hoag Haviland was both the husband of her mother's half-sister Hannah Wing Haviland, and her father's 1st cousin once removed.

The first Carrier in America was Thomas, who arrived in Massachusetts around 1663. There is historical evidence that Thomas was born in Wales in 1622 and that he was a political refugee who assumed the name "Carrier" upon coming to America. Thomas married Martha Allen, daughter of Andrew Allen, a first settler of Andover, MA. After standing up against the Andover town fathers in a boundary dispute, she was accused of being a witch. Two of her sons, aged 13 and 10, were hung by their heels until they, too, testified against her. Cotton Mather denounced her as a "rampant hag" whom the Devil had promised "should be the queen of Hell." She was arrested, convicted and, on August 19, 1692, hanged on Salem's Gallows Hill. Later it was recorded that of all the New Englanders charged with witchcraft, "Martha Carrier was the only one, male or female, who did not at some time or other make an admission or confession."

The Carriers lived in New England until 1799 when Willis Carrier's great-grandparents joined an ox-team train of settlers pushing west through the Mohawk Valley. They settled in Madison County, New York and then in 1836 moved west again to Erie County. There they purchased the farm that became the birthplace and childhood home of Willis Carrier. His father, Duane, taught music to the Indians, tried running a general store, and was for a short time a postmaster, then settled down to farming and married Elizabeth Haviland. Her forefathers has settled in New England in the 17th century, and she was a "birthright" Quaker — the first in her family to marry outside her faith. She died in 1887, when Willis was 11 years old.

Carrier and all three of his wives (Claire Seymour, d. 1912; Jennie Martin, d. 1939; Elizabeth Marsh Wise, d. 1964) are buried in Forest Lawn Cemetery in Buffalo, New York
Buffalo, New York
Buffalo is the second most populous city in the state of New York, after New York City. Located in Western New York on the eastern shores of Lake Erie and at the head of the Niagara River across from Fort Erie, Ontario, Buffalo is the seat of Erie County and the principal city of the...

.

Despite being married three times, Willis Carrier fathered no children of his own. He adopted his second wife, Jennie's, two children.

For his contributions to science and industry, Willis Carrier was awarded an honorary doctor of letters from Alfred (NY) University in 1942; was awarded the Frank P. Brown Medal in 1942; and was inducted posthumously in the National Inventors Hall of Fame (1985) and the Buffalo Science Museum Hall of Fame (2008).
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