December 5th | Online
Reimagine Buildings: Best of Retrofit
4 Hours. Real projects. 
Proven strategies you can use.
Upcoming Events
Reimagine Buildings Collective: Reimagine Construction with Kevin Brennan
12:00 PM EST
PHA LIVE: 101: Deep Energy Exterior Retrofits
12:00 PM EST
Reimagine Buildings Collective: AMA Friday with Kara Haggerty Wilson
12:00 PM EST
ROCKWOOL Component Spotlight: Wildland-Urban Interface (WUI) Fires in Canada and the US and Applicable Solutions
12:00 PM EST
Reimagine Buildings: Best of Retrofit
12:00 PM EST
Learn at the Leading Edge of Passive House Practice
Level up at an online PHA event or with the latest podcast, video, article, or magazine issue.
    The Reimagine Buildings Collective is open.
Join the community of building professionals who want to step up and tackle climate change.
Learn More
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        Latest Articles
    10/31/25
Summer Labs Insight Briefs Now Available
Summer Labs was designed to give RB Collective members the opportunity to collaborate and devise novel solutions to some of the biggest challenges facing the world of high-performance building. These are their findings.
Article
    11/4/25
Built Environment Plus Hosts Annual Green Building Showcase
Held on October 30 at Boston's largest net-zero facility, One Boston Wharf Road, the award ceremony celebrated advances in green building throughout the commonwealth and beyond.
Article, News
    11/3/25
Passive House Open Days Returns This Weekend
Find a Passive House project near you to tour during this weekend's Passive House Open Days event.
Article, News
November Focus: Retrofits
Deep energy retrofits are a crucial part of the decarbonization equation. Of course, they have additional benefits that include improving occupant comfort and health, reducing utility bills, and prolonging the life of the building. Throughout the month, we’ll explore topics like historic preservation, proper sequencing in phased retrofits, and some of the unique challenges when retrofitting single-family and multifamily buildings. You can also learn more by checking out the articles and videos below!
Thank You
Stakeholder Partner
Founding Sponsors
Champion Sponsors
Explore: What Is a Passive House?
Passive House design and construction empowers us to build healthy, resilient buildings that slash building energy use and carbon emissions. These resources are a great place to start learning the basics.
                                
                                
                                
                                
                
    
    
    
    
                            
                            
    
    
    
    












