Green Beer Bottles to Solar Hot Water

They’re probably drinking a lot of beer in Quqiao village, in Shaanxi Province, China.
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Ma Yanjun, a carpenter, said he wanted his mother to be able to enjoy a comfortable shower anytime, and since a solar water heating system was too expensive, he devised a way to make one of his own.

Using only water-filled beer bottles and connecting hoses, Ma’s mother now has hot water on demand, and so do more than 20 other families in the village whom Ma has helped build their own system.

He wants to build a public bathroom for the village using the same process, but he needs enough money to buy the beers. He probably has plenty of volunteers to empty them.

Image and source.

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4 Comments

  1. couldn’t you use any kind of bottle? I’d like to know more about how these are made and how effective they are.

  2. What is the mechanism behind this idea though?

  3. CUTTING DEPENDENCY ON OIL = GENIUS.

  4. “CUTTING DEPENDENCY ON OIL = GENIUS.”

    Increasing dependency on beer = Double Genius

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