Marc Rosenbaum, P.E. has studied how to make great buildings for over forty-five years. Much of his recent work has been on Zero Net Energy Buildings, Decarbonization/Electrification, Deep Energy Retrofits, Living Building Challenge, and Passive House. His work has been recognized nationally by ASHRAE, AIA, EEBA, and NESEA, but they didn’t see all the mistakes […]
PHMass is a program partner for this year’s Climate Beacon 2025 Conference. You can find more information about this event at https://www.climatebeacon.org/2025-conference. PHMass will be joining the tour of the Bunker Hill project on Wednesday, October 22. See the conference program for more details and for other events and sessions during the conference. As an […]
Join Emu Passive for a free webinar on Passive House Retrofits as a healthier pathway to the electrification of the existing building stock, in collaboration with Passive House Massachusetts. Electrifying existing buildings is a crucial step toward reducing reliance on fossil fuels, but it introduces certain challenges. These include the risk of diminished resilience in […]
Once a year, the Built Environment Plus community gathers to celebrate industry success in greening the built environment at our annual Green Building Showcase. Join them for a night of project boards, short presentations, discussions, and awards. Attendees include architects, engineers, contractors, developers, owners, facility managers, building users, lenders, suppliers – everyone who plays a role […]
Join Architect, Leigh Overland, and BuildGreenCT this November for an exclusive tour of the Overland Residence, a Passive House-inspired home in Fairfield, Connecticut that exemplifies sustainable building for future generations. Completed in 2021, this residence features several high-performance features including; ICF exterior walls, SIP roofs, in-floor heating & cooling, triple-pane doors & windows, and solar […]
Join RDH Building Science’s David Stanton (Senior Engineer) and John Mann (CPHC, Phius Verifier, HERS Rater) as they present the essentials of airtightness testing—what it is, why it matters, and how to succeed. Massachusetts’ updated energy code and passive building verification requirements mandate whole building airtightness testing. For multifamily projects, these tests can prove complex. […]
The Annual Passive House Symposium is the premier Massachusetts event focused on the world’s leading high-performance building standard. It brings together people from across the industry—developers, architects, consultants, engineers, builders, […]
Register Here Join PHMass on Tuesday, January 13th from 5:30–7:30 PM for a free evening of learning, networking, and great conversation! Did you know that the tallest building in Boston’s […]
The Department of Energy Resources (DOER) is seeking input about user experience navigating the stretch and specialized stretch codes. They would like to hear about any challenges code users are experiencing and any suggested improvements that could be made. There will be a brief framing presentation from DOER followed by a discussion of code user […]
Electrifying domestic hot water (DHW) in multifamily buildings is a tough nut to crack—and one of the most critical challenges on the path to low- and zero-carbon buildings. Join James Petersen, P.E., Founder & Principal at Petersen Engineering and President of the PHMass Board to explore the current landscape of electric DHW solutions for large […]
The Passive House Network is now accepting submissions for their 2026 Conference. Learn more details about submission here.
High-performance sustainable design is entirely doable on an affordable budget, and the team behind the Norwell Street infill project in Dorchester—developed as part of the City’s Welcome Home Boston initiative—is […]
From Passive House Accelerator: Reimagine Buildings: Multifamily brings together the practitioners, owners, and researchers pushing comfortable, resilient, climate-ready housing from vision to reality. This is not a hypothetical conversation—it’s grounded […]
Following up on our last Monthly Meeting, PHMass and Millenium Partners will be offering a tour of their ground-breaking Winthrop Center project, currently the largest Passive House office building in […]
“Join climate leaders from across Massachusetts at the MassEnergize Community Climate Leaders Conference on April 8, 2026 at Bentley University. The day features plenary speakers Senator Mike Barrett, DOER Commissioner […]