Passive House Workshop

This interactive online four-session workshop series draws on project experience to demonstrate cost-effective planning and design of affordable, low-emission, mid-rise, multifamily, wood-framed housing. Featuring regional case-studies and strategies for Massachusetts and New England.



Incentives now available for 5+ unit buildings and Passive House Feasibility Studies and energy modelling.


Ventilation Demand Control Lunch & Learn

This lunchtime course explores comfort in Passive House buildings through the use of ventilation systems and controls, including Boost Mode, to provide on-demand occupant control.

Upcoming Events

  1. Ventilation Demand Controls and Boost Mode

    November 5 @ 12:00 pm - 1:00 pm
  2. Pattern Language from Passive House Workshop Series

    November 10 @ 12:00 pm - November 19 @ 3:00 pm
Please note that the 2020 Passive House Symposium has been postponed until early next year. Stay tuned for updates.

Upcoming Passive House Certification Courses

Note: certification courses are eligible for a 50% reimbursement

NAPHN (PHI) Certified Passive House Designer
Nov 16 - 20
PHI Certified Passive House Tradesperson
Sept 24 (through Emu Systems)
PHIUS Certified Passive House Consultant
Nov 2 - 20
PHIUS Certified Passive House Builder 
Dec 1 - 11
Jan 11 - 21
PHIUS+ Rater/Verifier
Nov 2, 4, 6 (Rater)
Nov 9, 11, 13 (Verifier)

Recorded Workshops

Passive House: The Path to (PHIUS) Certification

Heat Pump Best & Worst Practices

Ventilation System Design for Large Passive Buildings

Humidity & Moisture Control in Multifamily Passive Houses


Due to the coronavirus/COIVID-19 outbreak, all PHMass events have been moved online or postponed. Please see calander listings for details. Stay safe & healthy and we look forward to seeing you at future events. 
Go here for COVID-19 resources for the building industry from the Boston Society of Architects

Featured Trainings

Next Generation HVAC Solutions: Hybrid VRF Design and Water Loops

From minimizing refrigerant to integrating water loops, the next-generation of HVAC solutions for larger buildings is now here. Our September meeting featured a presentation and discussion on advancements in refrigerant-to-water products in the next generation of VRF equipment and how Mitsubishi's HEX coils can bring a building’s water loop infrastructure onto the VRF platform
Julie Klump, VP of Design and Building Performance at Preservation of Affordable Housing (POAH)
Michael Ragan, Mitsubishi Electric Trane HVAC engineer and VRF specialist

Internal & Solar Heat Gain in Multifamily: Passive House Solutions

For our July Virtual Meeting we welcomed special guest Dylan Martello (Senior Building Systems Consultant, CPHD, Steven Winter Associates) for a presentation on Internal & Solar Heat Gain in Multifamily Buildings: Passive House Solutions. Watch now with Q&A sections included.

Case Studies: Harbor Village & Finch Cambridge

Michelle Apigian, CPHC, ICON Architecture, joins us to discuss her latest Passive House project, Harbor Village in Gloucester, as well as lessons learned from the nearly-complete Finch Cambridge affordable housing building.

Case-Study: Front Flats Philadelphia

Tim McDonald, CPHC & Principle of Onion Flats, joins us via Zoom to discuss his latest large Passive House project, Front Flats.

For more info on this amazing project, pease refer to the this article.

Passive House Video Library