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Green Building News
New Window Certified by Both Passivhaus Groups

The ‘Zola No Compromise’ window is the first to win certification from both the Passivhaus Institut and the Passive House Institute U.S.
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Do Europeans Really Make the Best Windows?

These cold-weather windows are new to our shores and perform well, but some lesser known North American products may be just as good

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New Window Certified by Both Passivhaus Groups