There are some that say yes. There are some they say no. But if you read to the end the Europeans window are better.
http://www.greenbuildingadvisor.com/blogs/dept/qa-spotlight/do-europeans-make-better-windows-we-do
Do Europeans Make Better Windows Than We Do?
Differences in testing protocols yield different U-factors, but do European manufacturers have a ‘secret sauce’?
Posted on Oct 15 2012 by Scott Gibson
It should come as no surprise that Europe, home of the Passivhaus standard, produces some outstanding windows. Some builders of high-efficiency houses in North America turn to European window manufacturers for their glazing, even though some U.S. and Canadian producers also offer high-performance products of their own.Is there a way to compare the performance data on windows from these two sources? That’s what Steve Young, now planning a Passive House in Climate Zone 5, would like to know.
“I have read many blogs and Q&A pages from this web site and I am still somewhat confused about European windows,” Young writes in Q&A post at GreenBuildingAdvisor
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Go there and read. More next week.
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