Mini refrigerators, also known as compact refrigerators, vary in size from 1.7 cubic feet up to 4.5 cubic feet. The smallest cube-shaped mini fridge measures 17 inches wide, 18 7/8 inches deep and 20 1/2 inches tall. A larger 4.5 cubic foot model with a separate freezer measures around 19 inches wide, 20 inches deep and 43 inches tall.
While the smallest mini fridge keeps your sodas and snacks cold, the cost of running it may be nearly as much as a full-size refrigerator. A 1.7 cubic foot refrigerator uses 30 kWh per month, according to Silicon Valley Power. Meanwhile, the Energy Star rating on a 4.5 cubic foot refrigerator is 235 kWh per year, or nearly 20 kWh per month. When searching for a new mini refrigerator, look for the Energy Star rating to ensure that you're saving energy and money while keeping your food cold.
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