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Massive Passive House: Bringing Deep Energy Savings to Multi-Family Buildings

February 5, 2019 – 8:30 am - 1:00 pm


Seattle, WASeattle, WA


Pre-registration is required and space is limited. Register today to secure your seat.

Lunch is included in the cost.

On-site Check-in: 8:00 am
Program Begins: 8:30 am
Program Concludes: 1:00 pm

Massive Passive House: Bringing Deep Energy Savings to Multi-Family Buildings

A growing belief among design and construction professionals is that simply building to the energy code’s baseline minimums is no longer good enough. One approach that’s becoming increasingly popular for multi-family projects is passive house design. With an emphasis on core aspects of efficiency such as continuous air barriers, heat recovery / fresh air ventilation, and minimizing thermal barriers, multi-family passive house projects are routinely experiencing energy savings of 50%–90% over buildings built to energy code minimums—for very small cost premiums that are quickly repaid once the building is operational. This workshop, presented by an architect, and a building enclosure specialist, both deeply experienced in the realm of energy-efficient building design, will cover the basics of what passive house is, how and why it works, and why it’s effective for wood-frame multi-family buildings. Topics will include design concepts, detailing techniques, assemblies, construction inspections, and lessons learned over years of energy-efficient and passive house design. The knowledge gained from this session will help you achieve the affordability, resiliency, and health benefits of passive design on your next project.



Zack Semke, NK Architects

Zack is Chief Marketing Officer at NK Architects, a Seattle and Pittsburgh-based architecture firm dedicated to accelerating the clean energy transition through zero carbon building design. He studied human biology, with a focus on human ecology, at Stanford University (BA, ’93). Since then he’s worked as a policy advocate for progressive regional planning, a developer and leader of nonprofit community organizations, a taiko (Japanese drum) musician, and an evangelist for passive house construction.

Dan Whitmore, CPHC | PHIUS Certified Builder, RDH Building Science Inc.

Dan is a Certified Passive House Consultant (CPHC) at RDH who combines his knowledge and passion for passive house, building science, materials selection, and energy resources with an extensive background in hands-on craft, site management, and project troubleshooting. His areas of expertise include passive house and low-energy building, heat, air, and moisture management detailing, building assembly analysis and phasing, and construction detailing. Dan is an instructor and curriculum developer for the Passive House Institute US’s (PHIUS) Builders Training Program, and serves on the boards of Passive House Northwest and PHIUS. He is a constant advocate for advances in municipal and state building practices.

Washington State Convention Center
705 Pike St
Seattle, WA 98101

Click here for map and directions.

Parking: Parking available on site for $18/day

Attendees will qualify for 3 AIA/CES HSW LUs, 3 PDH credits or 0.3 ICC credits.

For questions or additional information, please contact:

LeeAnn Charpentier, CMP, Event Manager
Email: Ph: (301) 633-0330


5 February 2019
8:30 am - 1:00 pm
Event Category:


Washington State Convention Center
800 Convention Place
Seattle, WA United States

WoodWorks offers a wide range of in-person and online training opportunities, from Wood Design Symposiums that include concurrent seminars and a trade show, to half-day workshops, lunchtime seminars and webinars.