For an upcoming project we are proposing using a metal wall system that acts as a transpired solar collector to bring preheated air into the building. Preheating the air will offset energy being used by the building systems to heat the building in the heating months. Would this strategy be considered "passive" solar or could it be considered an onsite renewable energy technology that would be applicable to this credit?
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Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5862 thumbs up
April 17, 2012 - 10:33 am
Those systems typically use fans and other mechanical devices to operate making them an active solar system. So they can be counted. Make sure you provide thorough documentation of the calculation of the savings.