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Vaccine Fridge Stays Cool For Days Without Power [Video]

Vaccine Fridge Stays Cool For Days Without Power [Video]

Sure Chill's cooling technology is being used to deliver vaccines and medicines to developing nations.

Emma Hutchings
  • 19 march 2014

The UK-based firm Sure Chill has developed a cooling technology that can keep a refrigerator cold for up to twelve days without power. A steady temperature is maintained throughout the fridge, which doesn’t need a constant power source.

It works in both on-grid situations with intermittent power and off-grid situations, and it doesn’t even need a rechargeable battery. The refrigeration compartment is surrounded by water, which cools and forms ice above the compartment when the fridge has power, leaving water lower down at four degrees. If the power is switched off, the water warms and rises while the ice starts to melt, so the mixing maintains a constant four-degrees to cool the contents.

sure-chill-vaccines.jpg

Sure Chill technology is being used to deliver vaccines and medicines to rural areas in developing nations. The fridges are currently in use in forty countries, with UNICEF having used a number of them earlier this year to transport drugs to the Philippines. You can learn more about this technology in the video below:

Sources, Images: Sure Chill, The Telegraph

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