Publicly & Privately Financed Passive House MultiFamily (Timothy McDonald)

4 Hour Morning Workshop • 8:00 AM – 12:00 PM • Wednesday, Oct. 17


This workshop, developed by Tim McDonald and David Salamon, will provide developers, architects, engineers and builders with a step-by-step guide to cost-effective strategies for the development of multifamily, affordable Passive House buildings. This “Manual” is delivered in the form of a “decision tree” with pros and cons associated with multiple strategies for metering, monitoring, heating, cooling, ventilation, hot water, site-built and prefabricated envelops, foundations and air-tightness.The workshop is meant to demystify the challenges of successfully developing high performance affordable housing, both publicly and privately funded.


Timothy McDonald is the President and CEO of Onion Flats LLC. Tim is a licensed architect in Pennsylvania and New Jersey. In 1997, with his brother Patrick, he co-founded Onion Flats LLC; a Philadelphia based real estate development/design/build firm. Tim has been an adjunct Professor of Architecture at Philadelphia University,Temple University, University of Calgary, and University of Pennsylvania. His service and experience extends into his community by holding current positions in the Northern Liberties Neighbors Association Zoning Committee, the Philadelphia Sustainability Advisory Board, as well as a previous position on the Old City Civic Association Board of Directors. Tim is also Founder/President of FAARM, a non-profit organization dedicated solely to the exhibition of art and architecture in Philadelphia. As a partner in Onion Flats, Tim’s role is Lead Architect and Construction Manager for many of Onion Flats’ projects. In 2005, Tim and his brothers Pat and John, in conjunction with Howard Steinberg formed the architecture firm Plumbob, LLC and JIG, Inc., a General Contracting, Construction Management and Green Roof company, allowing this team to provide full design-build services for both clients and their own developments. Additionally, Tim is a Certified LEED Accredited Professional and Passive House Certified Consultant and Tradesman.