This Incredible Tool (preventing insolation) That Our Ancestors Used To Keep Cool In The Summer.

Yeah, they cost money. So does installing air-conditioning. But they use no energy ( that’d would be bad for fossil energy-producers).

  • @callcc
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    52 months ago

    What about some rollo blinds? We have them shut during daytime in summer in the rooms we don’t use all the time. They also help sleep in the dark if that’s your thing. The drawback is that they often create a weak spot wrt. Insulation.

    • @[email protected]
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      fedilink
      72 months ago

      Interior blinds are mentioned in the video: basically since they’re behind the glass the energy is still getting in and green-housing a bit. Blinds heating up is heat inside the room. Also block the view out, which awnings don’t.

      • @[email protected]
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        fedilink
        102 months ago

        If I’m interpreting the other poster correctly, they might be referring to what’s known as Roll-Laden in German, and they’re outside the glass.

        • @[email protected]
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          fedilink
          42 months ago

          Makes sense.

          In that case better for efficiency than interior blinds, but still blocking your view out.

          Would be handy for an especially hot day or week, but I wouldn’t like to have to keep my windows covered all summer.

          • @[email protected]
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            fedilink
            52 months ago

            They’re actually way more convenient than that! You have a strap on the inside of the window that you can use to raise or lower the shutters as much as you like. When it’s fully closed, the light is blocked out nearly completely though.

        • @[email protected]
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          fedilink
          English
          22 months ago

          The video mentions exterior roller blinds as well, wasn’t too in-depth but his main down points for them would be they still radiate heat close to the glass and they block all sunlight as well as airflow.

          • @[email protected]
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            fedilink
            42 months ago

            As a southern European, roller blinds or shutters are necessary for survival. What most people used to AC don’t realize, is that ANY light brings in heat. Roller blinds have holes in them that get closed only when you roll them down completely: if your house is somewhat cool, leaving them down with the holes open gives enough airflow while keeping most of the heat out. If you have AC, it’s even better, you don’t need much light to see inside.