Debating All Aspects of Passive Houses - And May the Best Argument Win!
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http://www.seriouswindows.com/html/fiberglass.html
What do you think?
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Sounds like they are using heat mirror or similar. Cahnces are that the G-value will be a on the low side. Pultruded fibregalss, provided that the frame is insulated also can deliver a good window (thei technology was used on the Smith House, the first PassivHaus in the US.)
Mark
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Just keep in mind that these are not metric R-values, so you have to multiply roughly by 0.17. European manufactures stopped using Xenon as it simply is too expensive as a cavity gas, so price wise this would be interesting, too.
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