1:5:10:365 EcoTip Blog

January 23, 2008

:023 Clean Fridge Coils

Suggested Review – :005, :019, :022

Welcome to today’s 1:5:10 Tip for becoming a better steward for our home and planet.

images-refrig.jpg  graphic source: www.hometips.com/content/refrigerators_ef.html

1:5:10:023 Tip: Yesterday you began monitoring your refrigerator for 24 hours to see how much electricity it uses. Today you should record the electric use and learn to clean the cooling coils. Once the coils have been cleaned you can see how much energy is saved by monitoring for another 24 hours. Manufactures and energy conservation experts are recommending the coils be cleaned twice a year. Even more often if you have indoor pets like dogs or cats since their hair tends to dirty up the coils faster. When the coils are dirty, heat builds up and more energy is used to keep your foods cold or frozen. The extra heat will also shorten the life of the refrigerator. Some estimates indicate that dirty coils can add up to $150 dollars a year to your energy bill. Spending ten minutes twice a year to clean the coils can really pay off. When I checked it with my energy use meter, I determined dirty coils would add an extra $3 dollars a month to my electric bill.

Record in your journal the energy use and let the monitor run for another day to see if it is fairly constant. While your cleaning the coils, it is a good time to also clean and check the condensate pan. Tomorrow I will tell you how.

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Additional Information

According to Whirlpool: “the cooling coils for your refrigerator and freezer look like thin tubes, sometimes with connecting fins like a radiator on your car. Some coils are mounted at the rear of the refrigerator. Other are located below the refrigerator, where a fan moves air across the coil. When you stand next to the refrigerator in the winter and feel a warm breeze at your feet, it means the condenser coil and fans are working.”

“If the exterior condenser coils become dirty, they are less efficient at transferring heat into the air around the refrigerator. To clean the coils, you can carefully vacuum them or remove stubborn dust with a condenser cleaning brush”.

 If your refrigerator has coils and a fan below the refrigerator, you will need to remove some access panels to reach the coils. We suggest that you follow the specific instructions for your refrigerator and unplug the unit before you attempt to clean the coils.”

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