Check out this house in Bulgaria. http://dornob.com/eco-friendly-home-produces-more-energy-than-it-uses/ Sacie -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.bioenergylists.org/pipermail/greenbuilding_lists.bioenergylists.org/attachments/20140210/28da4415/attachment.html>