This design is a portable air conditioner that can be used in small spaces. It is a small air conditioner with a new concept as an air conditioner with a system that does not allow hot wind to be discharged to the outside. Because it is used in a small space, it is formed small and long to minimize the area of ​​the floor. It is a method of inhaling wind from the bottom and blowing the wind through the front outlet. Button UI on the top can be used intuitively.