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$53,283 Total funding received


Coolar is revolutionising the refrigeration industry by developing a cooling system that works without electricity. The system only uses warm water that is easy to generate by solar heat and easy to store in a warm water tank. Additionally, the system does not use any moving parts, hazardous cooling fluids or lubricants. Therefore, Coolar provides the cheapest, most durable and most sustainable solution for vaccine, medicine and food storage in off-grid regions.


Coolar’s innovative cooling system enables doctors to preserve lifesaving medicine such as vaccines in a reliable and eco-friendly way by providing refrigerators that run independent from the power grid and are close to carbon neutral. CO2 emissions are ten times lower than conventional fridges.