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Who invented the air conditiner?

The inventor of air conditioning is generally considered to be Willis Carrier, an American engineer. In 1902, Carrier designed and built the world's first system for controlling the humidity in a textile factory. His system used refrigerants to cool air and remove excess moisture, which helped to improve the quality of the textiles and the working conditions for factory employees. Carrier's invention laid the foundation for the modern air conditioning industry, and he is recognized as one of the most influential figures in the field of environmental control.