To provide the air curtain equipment of a freezer and a refrigerator to reduce the flowing in of outside air and to reduce the air flow for shutting off the flow of air through an entrance by arranging sucking holes and exhausting holes of the air for an air curtain around the entrance.

The sucking holes sucking in the air flowing through an entrance are arranged on the either of upper side or lower side around the entrance of a room having temperature difference between the outside and the inside of the room, and the exhausting holes discharging a shutting off air shutting off the air flowing through the entrance on the other side of the entrance.