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Passive House:

It's Passive with an 'e'

check it out:

http://www.passivehouse.us

It's the most affordable and wise solution for meeting the LBC standard by first minimizing the heat load on the building to eliminate the need for an expensive mechanical system and minimize the demand for any alternative energy sources. 

And Yes you can do a Passive House retrofit.

Stephen Aiguier - President Green Hammer inc. Portland Oregon

posted 3 years, 12 months ago
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Generally speaking the alternative would be Polyethylene (PE) plastics.   There are also other options including preferably biobased polymers.  Greenpeace has a great summary of options for alternatives to pvc at this website:

http://archive.greenpeace.org/toxics/pvcdatabase/bad.html

Stephen Aiguier - President Green Hammer Inc. Portland Oregon

posted 3 years, 12 months ago
view in context