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).

  • Sparhawk87@lemmynsfw.com
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    4 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.