A freezer is generally used to describe an appliance that keeps foods frozen. Freezers are common as household units for storing food but are also used in commercial settings. Most Freezers operate around -18°C (0°F).
Domestic freezers can be included with a refrigerator or can be stand alone units. Domestic freezers are generally upright units, resembling a refrigerator, or a chest, which resemble an upright unit laid on its back.