Door chillers are technical equipment which help in keeping food fresh and preserved. These can also be used to store beverages at a selected temperature. By using door chillers, edibles can be significantly protected from getting spoiled or rotten in hot seasons. These are used in grocery shops, hotels, restaurants, canteens etc. Door chillers help in keeping the items safe from consumers touch and help them in selecting the products without having physical contact. In this way, the products inside the chillers contain no alien microbes on the packets and are safe to be purchased.