Articles
1/23/26
The Relevance of Embodied Carbon in the Passive House World - 475 HQ Retrofit Case Study
Passive House design is vital to reducing operational carbon, but, as 475's Mariana Moreira notes, embodied carbon needs to be addressed if we want to dramatically cut total emissions within the built environment.
Article, Embodied Carbon, Retrofit
Mariana Moreira
1/23/26
Efficiency as the Base for Transition
The 28th International Passive House Conference will focus on solutions for a climate-friendly and sustainable building stock. Programming will include several sessions on deep energy retrofits.
Article, PHI, News
Passive House Institute
1/16/26
Retrofit Labs Insight Briefs Now Available
Reimagine Lab’s Retrofit Insight Briefs are the work of 7 groups from the Collective. These small “think and do tanks” puzzled over some of the most urgent questions in DERs and have proposed some novel solutions.
Article, Retrofit
Passive House Accelerator Team
1/9/26
Clearing the Air: Passive Principles and Mental Health
New research explores how long-term exposure to elevated levels of particulate matter can adversely affect not just cardiovascular health, but also mental health. Can passive building strategies offer a solution?
Article, Health & IAQ
Jay Fox
1/2/26
Biomaterials Highlights of 2025
Natural materials offer loads of benefits. They can reduce projects' embodied carbon, create healthier indoor environments, and maybe even provide a boost to rural economies.
Article, Embodied Carbon, Natural Materials
Jay Fox
12/26/25
Multifamily Highlights of 2025
It's been a big year for passive multifamily buildings, with states like New York and Massachusetts leading the way. However, as we show in articles, videos, and podcasts from throughout the year, they are not alone!
Article, Multifamily
Jay Fox
12/19/25
Retrofit Highlights of 2025
Take a trip through 2025 as we explore the best of this year's retrofit articles, videos, and podcasts.
Article, Retrofit
Jay Fox
12/16/25
Carmel Pratt Appointed Executive Director of New York Passive House
Carmel Pratt will take on the role at the beginning of the new year, while former NYPH ED Andreas M. Benzing will remain on as a strategic advisor during the transition.
Article, News
Jay Fox
12/12/25
Scaling Deep Energy Retrofits in Boston
Located in Allston Brighton, Hano Homes is a cluster of 10 rowhomes that recently underwent a deep energy retrofit using a strategy that relies on super-insulated exterior retrofit packages and systems electrification.
Article, Retrofit, Affordable Housing, Phius
Jay Fox