Mid-size upright freezers typically range from 5 to 10 or 11 cubic feet and offer a handy amount of storage. If you have a large upright freezer (18 cubic feet or so), but live in a two-person household, you’ll likely struggle to stock it. Interior Storage and ShelvingMost of the best upright freezers come with adjustable shelves that allow you to change shelving height for larger items or sort and stack boxes more efficiently. Temperature alarm: Most upright freezers fit enough food that the contents are worth several hundred dollars. Most upright freezers fit enough food that the contents are worth several hundred dollars.