Overview "A Pattern Language from Passive House" is an interactive workshop that teaches cost-effective planning and design of affordable, low-emission, mid-rise, multi-unit, wood-framed housing. This four-part workshop presents design problems common to multi-unit buildings, followed by solutions that have worked in previous high-performance projects. These solutions are organized into "patterns" using a format adapted from A Pattern Language by Christopher Alexander (et al). The patterns presented in this workshop are drawn from the hundreds of affordable multi-unit buildings constructed to the…