Amazon.com, Target, Walmart and Best Buy sell mini fridges, as of 2015. Amazon.com has the largest selection, offering hundreds of models from multiple brands and sellers. Some fridges are eligible for free shipping.
Amazon.com sells mini fridges as small as 1 cubic foot and as large as 6 cubic feet, and it is one of the best-known mini fridge sellers. Other popular sellers on its site include MLB Shop and WebstaurantStore, and Whirlpool, Coca-Cola, Igloo and Frigidaire are some of the brands sold. Available features include two doors, freezers and adjustable shelves.
Target sells mini fridges made by Emerson, Coca-Cola and Hello Kitty. They are very compact and well-suited for dorm rooms or under-cabinet use. The largest available is about 4 cubic feet, and there is one available with double doors.
Walmart sells mini fridges made with a variety of materials, including stainless steel, polycarbonate and plastic. Available colors include white, black, metallic and red, and there are several well-known brands sold. Many models include a freezer, some with a separate door. Sizes range from the dimensions of a lunchbox to 7 cubic feet.
Best Buy offers almost 30 brands of mini refrigerators. Some feature glass doors, wire shelving and slide-out shelves. Manual and digital temperature controls are available, and some are ENERGY STAR certified. Magnetic doors and child locks are also available.