Central air conditioning performs like a regular air conditioner but has several added benefits: When the air handling unit turns on, room air is drawn in from various parts of the building through return-air ducts. This air is pulled through a filter where airborne particles such as dust and...
Willis Carrier, who is an American engineer and a graduate of Cornell University, is credited with inventing the first modern air conditioner. However, the idea of using evaporated liquids (water or other coolants) to cool off the space very well precedes Willis Carrier 1902 invention. His inve...