Passive Butterfly at the 2018 BDAV Awards Aug 6, 2018 EME Design’s Passive Butterfly has taken home a commendation for the Best Environmentally Sustainable Design – Residential. Related Posts SUPERHAUS September 13, 2018 Passive Butterfly at the 2018 BDAV Awards August 6, 2018 Sustainable House Day 2017 Report is now available! November 24, 2017 Timeless beauty still outperforming October 22, 2015