What is Passivhaus and Enerphit standard?

UK Passivhaus Conference 2011
What is Passivhaus and Enerphit standard? How is this applied? (process, certification and the use of PHPP) by Nick Tune, BRE

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Comment by Thomas Price on December 27, 2011 at 8:59am

It is interesting to note that the air-tightness standard used is 0.6 ACH @50P, not under natural conditions.  Here in the US we're talking about using a standard of 0.6 ACH @0P.  That's about 20 times more infiltration.  And we wonder why the average American uses twice as much energy as the average Western European.

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