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Passive House Massachusetts is an open group of collaborators meeting to share knowledge about energy efficient homes, buildings, and the Passive House Standard in Massachusetts and beyond.

This group meets regularly at the BSA; visit for more information.

Committee Chairs
Michael Duclos /
Aaron Gunderson /
Stephanie Horowitz AIA /
Passive House Massachusetts is part of the Building Technologies Commission.


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Past Events

February 13, 2018 | 6:30 PM - 8:00 PM

PHMA February Meeting: Completed Multifamily Passive Building Case Studies

Katrin Klingenberg, Co-Founder and Executive Director of the Passive House Institute US (PHIUS), will join us to discuss Completed Multifamily Passive Building Case Studies and Lessons Learned:
The number of passive houses and buildings meeting the stringent PHIUS+2015 Passive Building Standards has increased exponentially over the past two years: first single family residential projects were built, then multifamily projects and now the trend is moving towards commercial structures. Many municipalities such as NYC have already incentives in place for residential passive buildings or are evaluating to implement incentives as a solution to meeting their climate action plans. This presentation takes a look at completed case studies of low and midrise multifamily projects across the country that were constructed at 0-5% additional cost over an EnergyStar baseline. Successful construction techniques and lessons learned will be discussed.

For those who qualify, 1.5 LU/HSWs are available.

Go to event page.

January 9, 2018 | 6:30 PM - 8:00 PM

Passive House January Meeting

Our January meeting will feature Bronwyn Barry, RA, CPHD, presenting on the Passive House Primary Energy Renewable (PER) Framework - Building for an All-Renewable Future; as well as Q&A time and networking. The meeting will run from 6:30 to 8 PM. The PHMA Board Meeting will be from 5:00 to 6:30

For those who qualify, 1.5 LUs are available.

Go to event page.

December 12, 2017 | 6:30 PM - 8:00 PM
What It’s Like to Design and Live in a Passive House Dan Roy, PE, will lead a discussion about his personal Passive House, some of the...
November 14, 2017 | 6:30 PM - 8:00 PM
Passive House Cost Comparison: Part 2 * Please note that the location of this meeting has changed. The new location is: Zero Energy Design 156 Milk...
October 25, 2017 | 9:00 AM - 5:00 PM

Getting High Performance Buildings Done

Here are just a few highlights of the many sessions we will offer this year:

Opening Plenary: Getting High Performance Done
Jana Silsby AIA will present the MLK School in Cambridge as a case study, and Ellen Watts AIA will present on a range of projects including the Field Headquarters of the Division of Fisheries and Wildlife and Clark University’s LEEP Center. Finally, Seth Federspiel from the City of Cambridge will present a vision of what can happen when a whole municipality – not just an individual building – aims to be high-performance. The plenary will close with a Q&A from the audience with all three speakers. 

Optimizing HVAC for Passive House and High Performance Buildings
Design for large Passive House buildings requires HVAC system efficiency, and must also deal with many challenges controlling humidity, airflow, central vs distributed systems and costs, among many others. Marc Rosenbaum will moderate this discussion with Dan Nall and David Madigan on what is working, what is exciting for the future, and what it takes to keep projects on target for success.

Training the Trades for Passive House Success
In-depth discussion on windows, air sealing, thermal barriers and more keys to passive construction. Featuring Patrick Muzilao from European Architectural Supply, Kenneth Kiefer from SIGA, and Jim Materkowsky from The Green Cocoon. Moderated by John Rodenhizer. 

Practitioners Leading the Community: The New York Experience
Chris Benedict’s Knickerbocker Commons project in Brooklyn was just the second affordable housing structure in the country built to the Passive House standard. In this session, Chris will discuss how she and a small group of fellow New York practitioners have changed the way New York City thinks about quality buildings and how committed, visionary practitioners can get good projects done.

Go to event page.

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