In this segment, Michael Anschel and Carl Seville compare the efficiency of AC and DC fan motors and check out an ECM-controlled heat recovery ventilator from Fantech.
About the series:
Michael Anschel, CEO of Verified Green, and Carl Seville, principal at SK Collaborative, are the Green Police. In this series they scour the exhibit floor at the 2014 Greenbuild International Conference and Expo on the hunt for products you can truly call "green." Watch the duo’s antics while hearing their assessments of noteworthy products.