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Fridge Runs for 10 Days Without Power

Fridge Runs for 10 Days Without Power

Faced with potential power outages across the country this week, many powerless people will be shuttling the contents of their refrigerators outside to keep things chilled. But what happens if you’re in warm weather and are the victim of an extended power outage, and even worse, what if instead of milk and leftovers in your fridge, you have a large supply of lifesaving vaccines?

In many third world countries, where power failures and warm weather are common, some aid agencies are using the True Energy Vaccine Refrigerator. It can maintain temperatures of below 50F, without power, in ambient temperatures up to 109F for over ten days at a time.

According to a post on Gizmag, the refrigerator runs off mains power, solar power, or a combination of sources. It incorporates True Energy’s Sure Chill technology, which utilizes high-density polyurethane foam insulation and an undisclosed “innovative phase change material” to store energy until it’s needed, allowing for consistently cool temperatures regardless of interruptions in the power supply. It can run indefinitely on less than five hours of mains power per day. Once fully charged, as already mentioned, the phase change material can keep the fridge going for ten days without any power input at all. As a side benefit, this non-battery power-storing capability is also said to make it twice as energy-efficient as similar products.

True Energy Vaccine Refrigerators are currently in use by agencies such as the World Health Organization and Unicef. The company is also looking into using its Sure Chill technology in products such as commercial refrigerators, drinks coolers, air conditioners and telecommunications infrastructure cooling.

Related:
Make Your Refrigerator Efficient

Put the Deep Freeze on Your Energy Loss

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Melissa Breyer

Melissa Breyer is a writer and editor with a background in sustainable living, specializing in food, science and design. She is the co-author of True Food (National Geographic) and has edited and written for regional and international books and periodicals, including The New York Times Magazine. Melissa lives in Brooklyn, NY.

63 comments

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8:10PM PST on Feb 25, 2013

ty

12:36AM PST on Dec 5, 2012

Thanks for sharing

8:08AM PST on Nov 13, 2012

Interesting. Thanks.

1:59AM PST on Jan 25, 2012

Thank you.

4:59AM PDT on Sep 25, 2011

Interesting.
Thanks

12:37AM PDT on Aug 27, 2011

Thanks for the article.

8:22AM PDT on May 7, 2011

interesting

5:01AM PST on Feb 21, 2011

Interesting indeed!

7:16AM PST on Feb 13, 2011

A great idea. Is it costly?

4:08PM PST on Feb 12, 2011

cool :)

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Disclaimer: The views expressed above are solely those of the author and may not reflect those of
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Thanks so much for the information.

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