Populus is a full service sustainable design consulting firm that focuses on high performance, net-zero and near-net-zero custom residential and multi-family projects. Populus guides architects and builders through the requirements of mandatory green building codes and optional green home certification programs, providing HERS rating, LEED for Homes Green Rater services and municipal energy code consulting. In addition, Populus offers an Energy Code Workshop for architects and municipalities, as well as LEED for Homes training. Visit Populus at www.popboulder.com.