
Willis Haviland Carrier
Willis Haviland Carrier (1876-1950) was an American engineer best known as the inventor of modern air conditioning. In 1902, he developed a system that controlled temperature and humidity in a printing plant, improving the quality of printed materials. His invention revolutionized various industries by creating comfortable environments in homes, offices, and factories. Carrier's work laid the foundation for modern HVAC (heating, ventilation, and air conditioning) systems, significantly enhancing indoor climate control. Today, his contributions are essential for personal comfort and improved productivity across many sectors, from residential living to commercial buildings and transportation.