Clean Air for All

With the increase in air pollution, there are things you need to know to keep your air supply clean and refreshed.

Before Mechanical Cooling . . .“People spent summer days and evenings on porches or fire escapes. They cooled off by getting wet—opening up fire hydrants, going to the beach, diving into swimming holes.”  —Stay Cool! Air Conditioning in America National Building Museum Exhibition, Washington, D.C. Through January 2000