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What is the function of the fan in a refrigerator?

What does a refrigerator fan do?
What does a refrigerator fan do?
©iStockphoto.com/jean gill

Many older refrigerators and most small refrigerators (like small bar and dorm refrigerators) do not have fans, but most modern frost-free refrigerators have two. One is under the refrigerator to cool the compressor and force air through the exterior coils. The second is inside and moves air around the coils inside the refrigerator. This second fan helps provide more even cooling, and also aids in the defrost process.

See How Refrigerators Work for complete details on the inner workings of refrigerators.

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