How To Build DIY Solar Panels with Pop-Cans


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4 Responses

  1. Ali says:

    We (themamasgirls) are wondering, does this only work while it is sunny outside? Is there a way to collect and store the heat energy to use through the dark hours?

  2. JP says:

    Can I clarify the answer above . . . I assume this will work in daylight even when it is cloudy, just less efficiently than in sunshine.

  3. Gijs says:

    Hi Mr Drashco,

    As I am preparing myself to build me a solar can heater of my own I have read your article with great interest.

    Yet I have still some questions:

    – Is there a difference in output of heat and airflow when you install your heater horizontal and vertical?

    – What is the ideal gap between the cans and the plexiglass? I’m thinking that the bigger the gap is, the bigger the losses are because you are heating unused air. But when the gap is almost 0, your cans are affected by the colder outside temperature.

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