Power Consumption – 10Rate

Refrigerator Energy Star/Energy Guide Power Consumption Guidelines and Considerations

John Moore — Thu, 06 Oct 2011 16:01:55 +0000

By John E. Moore

Refrigerators have the deserved reputation of energy hogs. They certainly do drive up your power bills so it’s important to keep the fridge on the right cooler setting as well as purchase a refrigerator that will give you better efficiency. They also run non-stop. Newer refrigerators will be better at this due to 1) Energy Star requirements and 2) U.S. Government mandated posted Energy Guide stickers.

Recently, manufacturers are all clamoring for the blue Energy Star sticker and claim. By Energy Star requirements, a refrigerator must be at least 20% more efficient than the Federal Dept. of Energy minimum. It serves as a useful guide, however how they determine which models get the Energy Star and which do not, requires some investigation.

The Federal government now requires manufacturers to post an Energy Guide. This guide shows how much an appliance like a refrigerator costs you over a year compared with the average. The term used is ‘Estimated Yearly Operating Cost.” Funny thing is, every time I look at the attached yellow Energy Guide not a single model of refrigerator claims to be above the average. For example, the inexpensive Amana side by side fridge I’m currently looking at states an estimated yearly operating cost of $61. The sticker states a low end range of $60 to a high end of $78. Based on that, it doesn’t really seem to mean anything. If there is only a $18 difference for a whole year…well you get the picture. The “Energy Guide” also states the estimated yearly kWh use. For example the above referenced fridge registers 577 kWh. But what cooler setting is that power consumption based on? Further down in the bullet points the guide states this refrigerator is compared “based on models of similar capacity with this feature and that feature. Then it states that the estimated operating cost is based on the 2007 national average. Anyones utility bill kWh charge not gone up in the past 4 years? Frankly it’s about useless. Another government initiative gone bad?

The Energy Star sticker is about as good as you are going to get for determining whether a refrigerator is energy efficient compared with the competition. Suffice it to say though that the focus on better energy efficiency (in technology terms) alone is causing manufacturers to focus on the subject – not the effectiveness of the programs.

Fridges have grown larger and acquired more features in the last 40 years; however they have steadily decreased the amount of energy they use. Today’s refrigerators use less than one-third of the electricity than they did in the mid-1970s (per same size) but then we must look at those faulty manufactures specifications in storage capacity to determine if this is actually true.

Under a new proposal by the Department of Energy an average new 20-cubic-foot refrigerator top freezer would consume approximately 390 kilowatt hours (kWh) per year – a reduction from about 900 kWh/year in 1990 and about 1,700 kWh/year in the early 1970s.

^{John E. Moore has been reviewing kitchen goods and refrigerators for 8 years as the leader of cookswarehouse.com. Cooks Warehouse sells more than 400 kitchen items and accessories. John is also a self-described computer tech geek…. See more about John}

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How to Save Money and Avoid High Energy Costs with your Refrigerator

John Moore — Thu, 06 Oct 2011 16:01:42 +0000

By John E. Moore

Despite the fact that they may be a little more efficient, refrigerators can be a substantial part of your energy bill each month. There are a few ways you can keep the costs down. Little do people usually realize that the refrigerator is an energy hog that typically eats up 10 to 25% of the average households power bill.

Here’s a few ways to keep the costs as low as possible:

When going on extended vacation (week or longer) take out all perishable items and pitch them. Then turn the cooler adjustment down all the way to the lowest setting. There may be some items that can be placed in the freezer rather than throwing away.
Keep the refrigerator compartment at 37 to 40 degrees Fahrenheit and the freezer compartment at between 0 – 5 degrees.
Periodically clean (brush) the refrigerator coils on the back or bottom of the refrigerator. This can also help extend the life of the refrigerator and help it to operate more efficiently.
If enclosing the refrigerator in a tight space, try a ventilation fan out the back. A tight enclosure can cause inefficient operation.
Aluminum foil helps keep foods colder and better conditioned. Paper prevents cooling.
Allow plenty of air flow around the refrigerator. Give the fridge as much breathing room as possible but at least 2 inches on all sides.
Top freezer refrigerators use less energy for comparable storage capacity than side by side refrigerators.
Although Energy Star rating is not perfect its about the best indicator we have for knowing that there is some efficiency standard contained for any particular unit.
Keep the air flow inside the fridge free of encumbrances. Do not pack foods in too tight.
Give the doors a dollar bill test. Put a dollar bill between the door insulation and the fridge in the closed position and pull it out. If it pulls out without any resistance, you may not have a good seal and may need to replace the insulation or tighten some adjustments on the door hinges.
When purchasing a refrigerator buy the storage capacity you need and not more. The more space you have to refrigerate, the higher the energy cost.

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