A dual-unit freezer is a type of freezer that has two freezer systems. It is usually used in commercial establishments such as supermarkets, convenience stores or hotels where food or beverages are stored. This type of freezer is popular for its excellent performance as the two freezer systems better protect the food or beverage from spoiling easily.

The two-machine freezer not only protects the quality of the stored food or beverage, but also ensures the overall efficiency of the freezer. If one freezer doesn't work, the other will still continue to maintain the temperature and protect the food, which saves businesses time and money. Compact dual freezers also make better use of storage space, as they don't have to take up as much space for a single freezer capacity.

The main scenarios for the use of dual-unit freezers are in commercially branded establishments such as supermarket chains, hotels, fast food restaurants, convenience stores and other food and beverage establishments. The main attraction for these establishments is the multiple functions of dual-unit freezers. They can refrigerate and freeze food or beverages at the same time and store them in groups by type. Dual machine freezers can also display goods in different locations, making them easy for customers to find and consume.