Freezers are conveniences for people who have very large families or for people who do not frequent the supermarket. They are especially useful in homes with smaller refrigerators or refrigerators having only an ice cube tray compartment. Home freezers come in chest and upright models. Two designs of upright models are available on the market today: manual defrost and automatic defrost. Home freezers are available with wire shelves and baskets, and with storage shelves on the doors in upright models.
The sealed system in the freezer operates the same as the refrigerator/freezer models (see Chapter 25). The only difference is temperature. The domestic freezer operates at a colder temperature. The reason for colder temperatures ...