The American National Standard Institute has come up with standards that they are hoping all jurisdictions will adopt. Why does this concern Canada? Well I probably wouldn't have mentioned this article except for the direction that the Americans are taking is what we should be doing as well. One of the requirement changes, * allows for the installation of single-wall heat exchangers for solar thermal systems; will hopefully be introduced into Canada as well. In Europe solar HW installs only require a single-wall heat exchanger. Over here in North America we have been taking our time in figuring out which requirements we should be adopting and have tended to be on the conservative side, especially in Canada. we have really gone overboard with regards to requirements that add cost, and reduce the overall efficiency of the systems. Let's all hope that clearer heads are prevailing and that this is one more step to making Solar HW affordable for everyone.
ANSI Approves Solar Energy Code - Green Building, Solar Power, Codes And Standards - EcoHome Magazine
Tuesday, November 24, 2009
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