Sometimes you don't need miraculous insight to change the world
1902 The air conditioner was actually designed to protect printed paper. Willis Carrier, working for the Buffalo Forge Co., designed a device to remove moisture from the air in printing and food production plants. But before too long department stores and factories started ordering units not to dehumidify but for comfort. In 1915, Carrier started his own company. Thirteen years later he introduced a consumer model.