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Groundfridge Natural Cooling System

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So you would like to keep your food cool without using a refrigerator? The Groundfridge can help. It is a natural cooling system covered with a 1 meter thick layer of soil. It has a battery powered ventilator too. It uses the insulating capacity of the ground and cool night air temperatures to get the job done.

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This cooler doesn’t need any electricity. It has 3000 liters capacity. You can find out more about it here.

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