Course Description: The residential building industry has made incredible progress toward sustainability and energy efficiency goals. At the same time, many new buildings are under-performing because Designers continue to make simple, avoidable mistakes. Based on lessons learned from certifying over 20,000 dwelling units, we discuss the top ten multifamily design mistakes made over and over again u2013 and how to avoid them. Learning Objectives: Know the top ten design mistakes by architects and engineers that decrease constructability, affordability and quality of multifamily housing. Understand design choices that meet code requirements and increase energy efficiency, building durability, occupant health and affordability. Learn ventilation techniques to meet energy code and indoor air quality goals. Justify design alternatives to clients and contractors in terms of energy, durability, health and budget. Develop a checklist to help you make design choices that meet code requirements and increase energy efficiency, building durability, occupant health and affordability on future projects. Upon completing this 1 hour online course, students will receive a Certificate of Completion.