The advantages of air conditioning. The first. Air conditioning keeps us cool and comfortable after exercise, outdoor activities. Upon entering the room with air conditioning will make it cool, to relax. The second. Air condition in the classroom is concentrate on learning. If the classroom is very hot, student will be hot and will not concentrate in school. The third. Air conditioning in the shopping center will make people walking in the mall longer. When people buy a lot of walking up the economy improves and it makes the people come together a new society. The fourth. Air conditioner in the house. Will allow family to come together in a room with air conditioning and to the family talk