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Energy 101 Appliances Refrigerators & Freezers

Refrigerators & Freezers

As the largest energy-using kitchen appliance in most households, the refrigerator/freezer unit represents an important opportunity for homeowners to reduce energy usage without sacrificing desired features or flexibility. In fact, today’s ENERGY STAR rated refrigerators offer new styles and features that have been unavailable until recently. ENERGY STAR certified models are available with top, bottom, and side-by-side freezers, as well as automatic ice-makers and dispensers. Freezer boxes, beverage refrigerators, and compact (mini-) fridges also are available in energy-efficient models to offer flexibility for homeowners looking to reduce their carbon footprint and lower their bills.

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How It Works

Energy efficient refrigerators and freezers combine many new technologies to reduce electricity consumption without sacrificing performance. High efficiency compressors, improved insulation, and more precise temperature control, as well as advanced defrost mechanisms combine to improve energy efficiency.

Low Cost Savings Tips:

  • You can compare energy usage across different styles of refrigerators by comparing the Energy Guide label. Different configurations, models, and brands will deliver different kWh/year. Want an easier way?
  • Regularly defrost manual-defrost refrigerators and freezers; frost buildup decreases the energy efficiency of the unit. Don’t allow frost to build up more than one-quarter of an inch.
  • Make sure your refrigerator door seals are airtight. Test them by closing the door over a piece of paper or a dollar bill. If you can pull the paper or bill out easily, the latch may need adjustment, the seal may need replacing, or you might consider buying a new unit.
  • If you have an older refrigerator, check your owner’s manual to learn about cleaning its coils. You can reduce your refrigerator’s energy use by 10-30% by cleaning its coils monthly with a special brush available at most hardware stores.
  • Cover liquids and wrap foods stored in the refrigerator. Uncovered foods release moisture and make the compressor work harder.
  •  Position your refrigerator away from a heat source such as an oven, a dishwasher, or direct sunlight from a window.
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  • The refrigerator is the single largest energy-using kitchen appliance in most households
  • If your refrigerator was made before 1993, you’re likely spending over $100 per year to run it. For many homeowners, putting that money towards a new refrigerator instead of paying it to their utility makes more financial sense.
  • Energy-efficient models manufactured today use 50% less energy than the standard models produced in 1993 and 40% less than those produced in 2001.