In 1902, he designed the first modern air-conditioning system – an invention that would go on to fundamentally change the world. In 1998, Carrier was named one of Time magazine's 100 Most Influential People of the 20th Century.
Genealogical researchers agree that Willis’s ancestor, Thomas Carrier, was born in Wales in 1626 and immigrated to Massachusetts around 1663. His children, which would be Willis's great-grandparents were courageous and adventurous in exploring America. Joining an ox-team, his great-grandparents decided to push west in 1799 passing through the Mohawk Valley.
Likely inherited from his grand-parents, Willis was described as a loyal friend and enthusiast of outdoor activities.
Willis Haviland Carrier was born on November 26, 1876, in Angola, New York, to parents Duane Williams Carrier and Elizabeth R. Haviland. Born on a dairy farm just outside of Buffalo, he worked hard on the family farm and was their only child. As a young boy he attended a one-room schoolhouse, and never missed an opportunity to play baseball or take a dip in Lake Erie with his friends.