Freezer efficiency depends on the size and type of freezer. Chest freezers (top loading) are 10-25 percent more efficient than uprights (front loading) because they are better insulated and air doesn't spill out when the door is opened. Manual defrost models consume 35-40 percent less energy than comparable automatic defrost ones, but periodic defrosting to keep ice build-up less than 1/4 inch is necessary to ensure energy efficiency.
Federal law requires that EnergyGuide labels be placed on all new freezers. These labels are bright yellow with black lettering. When you're shopping for the best buy in a new appliance, using EnergyGuide labels can save you money.
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