| 摘要 |
An air conditioner of an embodiment of the present invention includes a tube. The tube is characterized by including one or more holes individually included in a part which is in contact with external air or internal air. According to the embodiment of the present invention, the air conditioner enables the internal air and the external air to be circulated and purified by minimizing temperature difference between the inside and the outside of a building and circulating the air for long time. The air conditioner does not require supply of electric power as additional devices and an extractor fan are not required, and the air conditioner can be manufactured in the shape of a window. |
