passive house

passive house

From Passive House to the Cold North—How Vegetative Envelope Components Impact Buildings

12h ago
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Description

It’s been a year since Greenroofs.com concluded our third Greenroofs & Walls of the World Virtual Summit: Connecting the Planet + Living Architecture, and as promised, we are now releasing the 23 videos from our 30+ international speakers to the general public. Moderator Allen Lee, PhD of Cadmus leads the energy panel from Portland, Oregon with Bob Cameron, PhD in University City, Pennsylvania, Karen Liu, PhD in Toronto, and Chris Wark in New York City. This session will present an examination of the key impacts of green roofs and walls—what they are, how impacts can be predicted, what factors affect performance, and how performance compares to predictions. The panel discussion will lead to some conclusions about how vegetative envelope components could influence the wider development of residential and commercial buildings based on the Passive House and Zero Net Energy concepts. Three experts will share their knowledge of these topics through brief presentations followed by a lively discussion. Bob Cameron brings to the panel information from a study comparing replicate buildings that allowed measurement of the effects of different green building components on energy use, comfort, wastewater treatment, and food growing. Karen Liu will share her extensive knowledge of the impacts of green roofs and how they depend on climate differences, seasonal variations, and other factors. Chris Wark will draw upon his broad experience in the analysis of green roofs, development of green roof systems, and systems thinking related to Passive House design.