qr5 video of roof mounted vertical axis wind turbines in action vwtDecember 19, 2014March 1, 2016 videos Facebook Twitter Google+ EmailLinkEmbedCopy and paste this HTML code into your webpage to embed. play-rounded-fill play-rounded-outline play-sharp-fill play-sharp-outline pause-sharp-outline pause-sharp-fill pause-rounded-outline pause-rounded-fill 00:00 © 2018 Flowplayer ABAbout FlowplayerGPL based license ← video of quiet vertical axis wind turbines from quietrevolution quietrevolution.com and vwtpower.com →