V-Shaped Photovoltaic / Reflector Roof of a PLUS Energy Building with Silent VAWT

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Uploaded by on Jun 3, 2010

Roof mounted reflectors augmented power output of PV modules significantly - as well - of Solar Term collectors. V-Shaped Photovoltaic / Reflector Roof of a PLUS Energy Building wit Silent VAWT Patent pending. See more at http://www.tonchev.org/

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