|Re: Passive house||<– Date –> <– Thread –>|
|From: Jerry McIntire (jerry.mcintiregmail.com)|
|Date: Wed, 24 Aug 2011 05:56:36 -0700 (PDT)|
Thanks Fred for bringing up the Passiv House standard. It is a comprehensive improvement on conventional construction. It incorporates some passive solar features, but typical passiv house construction does not take much advantage of passive solar possibilities, nor is it a more affordable construction method. If high-mass walls and floors are incorporated inside the insulation envelope (instead of wood-framed walls), and the south glazing is increased, and building height is kept to one story, passive solar gains would be maximized. If earth blocks and natural or recycled materials for insulation are used, together with a passive earth-tempered ventilation system, the homes could be more affordable. I hope to show that soon with the new home we are planning for our new community here in SW Wisconsin. Retrofitting is more difficult, but several of the lessons from Passiv houses can be effectively used to improve a home's energy efficiency. Number one: start with a smaller home. Jerry McIntire Stone's Throw Ecovillage Viroqua, Wisconsin
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