The Active World of Passive Houses
This online-only article is a supplement to the March/April 2015 print edition of Home Energy Magazine.
January 15, 2015
The International Passive House Association estimates that there are around 40,000 certified Passive Houses (PHs) worldwide. Initially, that might seem like a large number; however, in a world with more than 7 billion inhabitants, even the most generous estimate says that just 0.002% of the world’s houses are PHs.
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