Coolar – Solar-powered fridges for medicine and vaccinations
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Coolar – Solar-powered fridges for medicine and vaccinations


Coolar – Solar-powered fridges for medicine and vaccinations

Founder: Julia Römer

Globally Spotted location

Coolar’s system powers refrigerators are designed to store medications and vaccines. The refrigerators run independent from the electricity and instead use hot water from solar heat, which makes them close to carbon neutral.

The Coolar system uses warm water that is easy to generate through solar energy and easy to store in a water tank. It does not require any short-lived batteries or electronic components, nor rotating parts. It does not use any hazardous refrigerants or lubricants.

The refrigerator will enable doctors and health professionals to preserve lifesaving medicine and vaccines in a reliable and eco-friendly way.