|Willis Carrier .. we owe a lot to this man|
Basically the air conditioner is invented according to the idea of the ice machine which invented in United States of America
The idea of the invention (air conditioner) is based on the idea that can be change sending air through hot coils; but send it through cold coils (filled with cold water). The air was cooled, and thereby the amount of moisture in the air could be controlled, which in turn made the humidity in the room controllable.
After that the scientist in the field of air conditioner industry could make a permanent developing still continued till this moment.