U.S. Group Will Relax Passive House Standard - News - Greensource Magazine: via @AddThis

The Passive House standard, often admired for simplicity, has also been criticized for rigidity. Now that Passive House Institute U.S. (PHIUS) has achieved independence from Europe and started its own certification system, called PHIUS+ (see Passive House U.S. Introduces Separate North American Certification ), the group is proposing changes that would relax the Passive House standard for some projects. PHIUS cofounder and executive director Katrin Klingenberg cites cost-effectiveness as the rationale behind her proposals. ----- Advertising ----- The PHIUS technical committee has yet to work out the details—Klingenberg doesn’t expect a complete draft of the specifics to be available until the spring of 2012—but she explains the gist of the proposed changes: while it’s theoretically possible to achieve the Passive House standard in any climate, doing so in a very cold clima...

Full article: http://greensource.construction.com/news/2012/03/120327-U...

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