Dual-door refrigerators are larger than both top- and bottom-freezer single-door refrigerators. Refrigerators with dual doors come in a larger range of sizes than single-door refrigerators on both HomeDepot.com and Lowes.com.
One-door refrigerators with on-top freezers are the smallest, with the largest model measuring 23.8 cubic feet. The one-door, bottom-freezer models are slightly larger, measuring 24 cubic feet. Side-by-side refrigerators have refrigeration on one side and a freezer on the other. These appliances are larger and have a maximum size of 30 cubic feet. The largest refrigerators are dual-door refrigerators, also referred to as French door refrigerators. These appliances measure 35 cubic feet and have freezers below the refrigerator section.