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Frost Free Fridge Freezer Frost-free fridge freezers operate by constantly circulating cool air around the refrigerator and freezer compartment. This eliminates the need to manually defrost. These heaters are used to prevent ice from forming on cooling coils. The heaters are turned on and off periodically. This consumes more electricity. Organise your freezer to avoid frosting. Labelling your shelves and drawers will allow you to locate the food items you need. Cost F