Find the best deals on Compact Refrigerators on sale for your office, dorm room or kitchen from BrandsMartUSA.com. Dozens of Mini Fridges to choose from. When selecting a compact refrigerator, the first thing you should do is check where you are going to put it. Most dorms and offices will have size and electrical regulations. Be sure of your limitations before you buy. Some other features to look for in mini fridges are locking doors, adjustable shelves and auto defrost.