When and who invented the air conditioner?

The basic concept of air conditioning was first

applied in the ancient Egypt. During that time,

the reeds were hung down in the windows from

where the water trickled down and cooled the air to

make it more humid. In the 2nd century, the

Chinese inventor Ding Huan of the Han Dynasty

invented the rotary fan, which was needed for air

conditioning, with seven wheels 3 metre in the

diameter and also manually powered.

In 1758,Benjamin Franklin and John Hadley, a chemistryr professor at Cambridge University, conducted the

experiment as a means to cool an object rapidly.

Modern air conditioning is a gift by advances in the

field of Chemistry in the year 1902, which is when

the first comprehensive electrical air conditioning

was invented. The credit for this invention goes to

an American engineer Willis Havilland Carrier,also known as the father of air conditioning. The

term air conditioning was given by a textile engineer named stuart H. Cramer.