Some genius decided opening and closing refrigeration equipment doors repeatedly throughout the day was causing more energy loss than it should be. In came convenient strip curtains. Strip curtains act like screen doors that they effectively create a barrier between two rooms without blocking off an entry. Perfect for walk-in areas, these handy strip curtains help maintain a cool atmosphere while letting you move in and out without opening and closing a door every time. In a busy kitchen having a few little shortcuts in place that helps to increase efficiency, can be really important.