Side-by-Side Refrigerators offer easy access to both refrigerator and freezer compartments since the freezer and refrigerator compartments are side-by-side.. The full size refrigerator freezers range from 22 cubic feet to 48 cubic feed in capacity which is ample refrigeration storage for most people. The side-by-side refrigerator is arguably the most popular refrigerator design because of its convience and size.