Homemade OFF-GRID Refrigerator, uses a “Water Ram” pump!


This is how to build the ultimate OFF-GRID refrigerator from cheap and easy to find materials. This design uses both the cooling effect of evaporation, and two water cooled condenser coils. The fridge is shown using a water ram pump at the end, if you add an electric fish tank style pump powered by 12 volt/solar, it will only use 8 watts an hour.

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