Upright chiller, also known as an upright refrigerator or upright cooler, is a type of refrigeration equipment used to store and display chilled or frozen products. It is designed in a vertical configuration, with multiple shelves or compartments inside to organize and store items. An upright freezer is a type of appliance used for freezing and storing perishable items at sub-zero temperatures. It is designed in a vertical configuration, similar to an upright refrigerator, but with the primary purpose of maintaining frozen conditions.