Made in Korea, Air curtains are installed on the top of entrances of commercial places where there are frequent access to the entrance and exits. The motor and the fan are installed inside the air curtain, which produces the strong wind that creates an air shield between the internal and external atmosphere. The current of the air would be stopped, and it would create the same effect of a closed entrance while it is kept open. Even if the entrance would be left open for the people who freely enter, the dirt, dust, insects and such is prevented from entering the premises. During summer, in an air conditioned area it keeps the cool atmosphere intact and maintains the coolness in the atmosphere. Needed in the following places: Large and small scale stores where there is frequent access to entrance. Bakery, food manufacturing company, supermarkets, convenient stores. Elctronic and electrical shops,micro-product manufacturing companies and shops. Freezer warehouses and storages where temperatures have to be maintained. Driving ranges, fitness centers, recreational centers Restaurants Accomodations where services are rendered for the convenience of the customers.