Leaders in High Performance Building: Best Green Energy Efficient Custom Home of 2015 At HeatSpring, we celebrate innovative builders and designers who work to improve the overall quality and performance of public and residential buildings… Our Leaders in High Performance Building Giveaway was created for those who have helped plan, design, construct, and/or operate a high performance building. Entrants… Continue reading “Leaders in High Performance Building: Best Green Energy Efficient Custom Home of 2015”