Energy SystemsProcessing & Food Preservation

Zeer Pot: Demonstration of Its Effectiveness
A Zeer Pot – Off Grid Refrigeration (Duration 5:36 minutes)

A zeer pot is an ancient device used to cool things. It was invented by the Egyptians about 2500 years before Christ was born. It works on the principle of evaporative cooling. It’s still in use today in North Africa and this video tells you about it and shows you how to make and use one.

Interesting notes: More wind speed can improve cooling efficiency. Hotter air flowing over the pot might improve the efficiency. Airflow coming off a hot parking lot might improve efficiency if your pot is in the shade because hotter air can hold more moisture which means that it can increase evaporation of the pot’s moisture. — YouTube

Further Reading:

Ravindra Krishnamurthy

Ravindra Krishnamurthy is a freelance science writer covering science, tech, the environment, health, food, and culture.


  1. I imagine this could be applied in an adobe house… some walls filled with moist sand to cool the home or a room inside?

  2. I’m a high school student in Texas working on a science fair project about Zeer Pots and how they can better be created for use in Africa. Mainly, the purpose I would hope to use it for is extending the cold chain, which would, in turn, open up the possibility of accessing vaccines to more areas of rural Africa. In addition, the better and more beneficent storage of food would be possible.

    Does anyone know…
    Are the pots being manufactured in these villages?
    What materials are they composed of (is it just general clay found in the area)?
    Are pots expensive to manufacture? (Expensive in the sense of scarcity of resources, money, cultural barriers)?
    Do people know how to manufacture pots?
    What natural materials to people have access to?
    What commercial products to people have access to? Could they get plastic buckets (particularly in rural villages), or metal containers?
    What general vegetation is available? Are there widely-used plants/vegetation that are generally available?
    Is there anything else you can tell me so that I can have a more accurate project that would actually be beneficial to the people living in these situations?

    There are a lot of other people out there trying to do the same thing I am. However, there needs to be a cost-effective, reasonable, realistic alternative available.

    1. hi Maria
      we work on the same subject. I’m in France, Orléans to be precise.
      I’d like to share information with you. waiting for your answer.

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