External shades
external blinds are more effective than internal shades.
they prevent heat from entering the building, and prevent the glass from warming up.
external blinds lower room temps by few degrees.
seen some see through solar shades rollers here
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- solar gain through windows
- The most solar gain is on the west side of a house.
- Once the heat is in, it won’t easily leave the house. So the best prevention is to stop it outside with external shades. Or with the shade of a tree.
- passive house
- A passive house tries to keep the heat out, instead of using energy to cool down a house.
- louver
- awning
- a fabric above your window that acts as external shades
- brise soleil
- a fixed louver panel sticking out above the window to prevent sunlight shining in when the sun is high.
passive cooling
external shades
- a fixed louver panel sticking out above the window to prevent sunlight shining in when the sun is high.
- roller shutters