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tinted vs clear glass for solar collector?

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Posted by Rick on April 1, 2006, 4:48 am
 
I am building a solar hot water collector and would appreciate advice
on whether it is best to use tinted or clear tempered glass.Tinting
seems to keep cars  cooler in the summer but then tinting should also
help with the greenhouse effect by trapping heat.I am confused all
advice  would be appreciated. Thanks


Posted by SJC on April 1, 2006, 6:33 am
 


  I think you want to use clear glass. You want to get all the IR inside
that you can. To keep the heat inside, some collector companies use
dual pane glass, but that is used mostly in very cold climates and costs
more.

Posted by KDV on April 1, 2006, 2:35 pm
 


  I think you want to use clear glass. You want to get all the IR inside
that you can. To keep the heat inside, some collector companies use
dual pane glass, but that is used mostly in very cold climates and costs
more.

And it is very heavy! 4 mm glas 1 m2 weight almost 10 kg!

--
Kris De Voecht
Homepage: www.devoecht.com
Email: devoecht@pandora.be



Posted by SJC on April 1, 2006, 4:18 pm
 

  You might want to consider using multiwall polycarbonate. It is
much lighter than glass. The dual wall polycarbonate has an R value
and transmits 80% of the light. It is used for greenhouses, so you =
should
be able to find suppliers online. Here is one of many suppliers online.
http://k-mac-plastics.net/sunlite-polycarbonate-sheet.htm

Posted by Solar Flare on April 1, 2006, 7:18 pm
 The greenhouse effect is probably a myth.



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