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Eco Sense Net Zero Energy Efficient Home PDF Print E-mail
Earth News
Sunday, 16 September 2007 09:31
Eco Sense Net Zero Energy Efficient Home

Ecosense - Gord and Ann Baird - We have been heavily entrenched in building a net zero emission sustainable house in Victoria, BC.  We had expected that we would run into many roadblocks along the way with trying to incorporate no flush toilets, grey water systems, rain water harvesting, and insurance with our experimental load bearing two story cob house.  We had expected the sustainable technologies of solar PV electricity generation and solar thermal collection for both our domestic hot water and in floor hydronic space heating to be no-brainers.

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We have been heavily entrenched in building a net zero emission sustainable house in Victoria, BC.  We had expected that we would run into many roadblocks along the way with trying to incorporate no flush toilets, grey water systems, rain water harvesting, and insurance with our experimental load bearing two story cob house.  We had expected the sustainable technologies of solar PV electricity generation and solar thermal collection for both our domestic hot water and in floor hydronic space heating to be no-brainers.

With the increasing abundance of grants available, for the solar hot water system in particular, we figured that installation of the system was of natural acceptance for Canada, as there are both federal and provincial grant programs.  Much to our surprise despite these grants, there is a major flaw with respect to guaranteed approval from the inspectors that overlook the present codes.

An inspector has the authority to disallow any piece of equipment that does not have a CSA certification on it, being plumbing or electrical.  On the other hand they also have the ability to make a judgment call as to the use of such products with their assurances that safety for all is upheld.    In grey areas they may require an engineer to stamp (and therefore defer liability) for systems that are out side the box, and yet saying this they still maintain the authority to overrule the engineer

Last Updated on Sunday, 16 September 2007 09:31
 

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