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Am I going to reduce a room’s temperature covering a huge hopper window with either paper or reflective aluminum foil, but leaving the window a bit open when the sun shines directly into the window? (linux.community)
submitted 3 months ago by to c/asklemmy@lemmy.ml
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I need an air current in this room, even when the sun shines directly into it.

I was thinking covering the hopper window with either paper or reflective foil and leaving it a bit open, but I don’t know if this is a stupid idea.

A closed window means an unlivable room.

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[–] 2 points 3 months ago

Outside is better, but inside is often a lot easier and almost as effective. Most glass blocks IR (heat). If you reflect it back out before it gets converted, it will exit fine. In practice it's a few % difference, depending on the foil.

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