Modern air conditioning turns 117 years old

Cropped Photo: Achim Hering / Wikimedia Common / CC BY 3.0

(KWCH) If you are sitting inside on this hot Sunday and enjoying the cool air, you should thank Willis Carrier.

The New York engineer invented the first modern air-conditioning system on July 17, 1902.

According to, the mechanical unit sent air through water-cooled coils. It was originally designed to control temperature and humidity at a printing plant in Brooklyn.

Over time, the Carrier Air Conditioning Company of America would be born and air conditioners would find their way into homes and automobiles across the nation.