2025 California Green Building Conference & PHCA

Passive House California (PHCA) and the Passive House Network (PHN) shared a joint booth at the 2025 California Green Building Conference, hosted by the U.S. Green Building Council California (USGBC-CA) in San Francisco on May 22, 2025. Throughout the event, various PHCA members presented their Passive House projects, showcasing innovative designs and high-performance building strategies aligned with the Passive House standard. [caption id="attachment_6495" align="alignnone" width="259"] Brian Pearson and Susie Harris at the PHCA and PHN booth[/caption] [caption id="attachment_6494"…


California Rebuilds Design Competition (free to enter for PHCA & PHN members)

The recent devastation of the Los Angeles wildfires challenges us, not just to rebuild, but also to innovate. Consequently, the Passive House Network with Passive House California is launching a design competition to develop a groundbreaking catalog of high-performance homes to inspire and inform the rebuilding efforts in the Altadena and Pacific Palisades communities. We invite architects and designers to showcase the power of Passive House in creating sustainable, healthy,…


OPEN HOUSE | Experience a Certified Passive House (SB9) & EnerPHit Remodel in Progress in Los Angeles

Explore a small-scale urban infill single-family residence in West Los Angeles, designed under California’s SB9 regulation—a recent law aimed at increasing residential density to help address the housing shortage in Los Angeles. Designed by PARAVANT Architects, this home was recently certified as a Passive House Classic by the International Passive House Institute (PHI). You’ll also have the opportunity to observe the ongoing renovation of an existing home, which is being…


OPEN HOUSE | Visit a Certified Passive House (SB9) & EnerPHit Remodel in Progress in Los Angeles

Explore a small-scale urban infill single-family residence in West Los Angeles, designed under California’s SB9 regulation—a recent law aimed at increasing residential density to help address the housing shortage in Los Angeles. Designed by PARAVANT Architects, this home was recently certified as a Passive House by the International Passive House Institute (PHI). You’ll also have the opportunity to observe the ongoing renovation of an existing home, which is being upgraded…


PHCA Community Meeting | Liquid Applied Intelligent Membranes: The Latest for High Performing Buildings

Intelligent Membranes joins us to provide an overview of the role of liquid-applied solutions in enhancing airtightness and sustainability in construction. This session will examine their product range, including the airtight membrane “Passive Purple,” the flexible waterproof membrane “THE GOAT,” and the A2-rated intumescent fire-retardant paint “FRED.” We’ll discuss how these materials support easier application, improve building performance, and meet the requirements of Passivhaus standards. Presenter: Adam White is the…


Non Combustible Stone Wool (Mineral Wool) Solutions for Thermal, Fire, Sustainability and Sound Control

The net energy savings realized in a properly insulated building are well understood. However, as design professionals strive to maximize thermal resistance, yet reduce mass in the wall assembly, insulation is increasingly being positioned in both the stud wall and the exterior side of the building envelope. This split insulation concept has introduced a number of design issues and concerns; particularly as relates to fire resistance, moisture management, and wall…


Friends of Passive House We Need Your Help ! A groundbreaking bill, AB 368

A groundbreaking bill, AB 368, has been introduced in the California State Legislature to establish Passive House certification as an alternative compliance pathway to Title 24. This marks a significant step toward advancing high-performance, energy-efficient buildings statewide. Climate Action California has been a huge support and we are here because of them! The bill may be heard in committee on April 2nd—here’s how you can take action now: Sign up…


New Single-Family Residence in Los Angeles Achieves Official Passive House Institute Certification!

Congratulations to the team for successfully completing certification! - Passive House Classic | One of the first Passive House rental units in California  This SB-9 project embraces California's forward-thinking regulations to combat the housing shortage in Los Angeles by introducing additional residential units. Designed to meet the rigorous International Passive House Standard, it ensures superior energy efficiency, exceptional comfort, and outstanding indoor air quality. The International Passive House Standard represents…


Assemblymember Ward Introduces AB 368 to Advance Passive House Standards for More Cost-Effective Energy Efficiency

(SACRAMENTO, CA) – Assemblymember Chris Ward (D-San Diego) introduced AB 368, a bill directing the California Energy Commission (CEC) to evaluate the adoption of certified Passive House (PH) energy efficiency standards as an alternative compliance pathway under Title 24 building regulations. With California facing intensifying wildfires, droughts, and rising sea levels, AB 368 aims to reduce greenhouse gas (GHG) emissions by promoting energy-efficient construction. Buildings account for 31% of total GHG…


Passive House & Fire Resilience (PHN)

Growing wildfire devastation demands better-protected buildings – better protected by building design and better design of their surrounding landscape. Yet, after fire events, like in Los Angeles, there is a need to rebuild quickly. Just build it back, the thinking goes, but we can do better. Let’s build forward with fire-safe strategies integrated with Passive House building design to drive down our dependence on fossil fuels, protect people’s health, and…


Passive House & Fire Resilience (PHN)

Growing wildfire devastation demands better-protected buildings – better protected by building design and better design of their surrounding landscape. Yet, after fire events, like in Los Angeles, there is a need to rebuild quickly. Just build it back, the thinking goes, but we can do better. Let’s build forward with fire-safe strategies integrated with Passive House building design to drive down our dependence on fossil fuels, protect people’s health, and…


Multifamily Passive House Design (presented by PG&E)

Passive House delivers healthy, quiet, and comfortable homes in durable buildings. Passive House also provides a baseline on which teams can craft resilient buildings capable of sheltering residents from storms and heat waves to come. In this course, we'll cover a range of issues that go into planning, designing, and constructing affordable Passive House multifamily buildings.  It's a comprehensive overview, diving into key details, and demystifying the strategies for success.…