Freezer units are used in households and in industry and commerce. Most freezers operate around 0 °F (−18 °C). Domestic freezers can be included as a separate compartment in a refrigerator, or can be a separate appliance. Domestic freezers are generally upright units resembling refrigerators, or chests resembling upright units laid on their backs. Many upright modern freezers come with an ice dispenser built into their door.
A mechanical chamber is constituted under the storage chamber constituted in the thermal insulation box member, and the cold storage comprises: a cooling unit in which a cooler and a blower contained in the cooling chamber constituted in the cooling box, a compressor, a condenser and the like are arranged and integrated; and the cold air discharge port and the cold air suction port which are formed in the bottom wall of the thermal insulation box member constituting a ceiling of the mechanical chamber and which connect the inside of the storage chamber to that of the mechanical chamber.
The compressor, condenser and the like are disposed on an attachment base, the cooling box is disposed on the attachment base in such a manner as to be movable to upper/lower positions, and the only cooling box is pushed up in a direction of the bottom wall.
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