Ventilation fans, kitchen range hoods, and laboratory fume hoods can use significant amounts of energy from both the fan motor and from venting heated/cooled air out of the building—air that then has to be replaced and conditioned by energy-intensive HVAC systems.

BuildingGreen-Approved Ventilation Fans

BuildingGreen ventilation... Read more

Welcome to the quiz portion of Getting Flame Retardants Out of Foam Insulation.

Learning Objectives
Upon completing this course, participants will be able to:


1. Summarize why and how flame retardants are used in foam insulation.
2. Elucidate the case for taking the chemicals out of foam insulation.
3.... Read more

This might be going down a rabbit hole, but in moving to California this year I noticed that "zero net energy" (ZNE) is the standard term, whereas "net zero energy" (NZE) was more common back east. The DOE's 2015 definition (below) uses "zero energy building" (ZEB), which to me implies a building uses no energy at all.

Regional... Read more

This webinar occurred Thursday, December 15.

Attendance confirmation closed Friday, December 30.

Whether it’s the flooding in Pakistan, the devastation caused by Hurricane Ian in Florida, or the record-breaking wildfire season in Europe, climate change is in the news daily. Just as there’s an urgent need to reduce... Read more

Hi everyone,

Thanks so much again to everyone who attended the Spring 2024 SCL Summit. The report is now available and is a public document that can be shared.

Please feel free to email me with any questions. Enjoy!

Hive mind,

We recently learned that 3M has discontinued the production of their 3M Daylight Redirecting Film (https://www.3m.com/3M/en_US/building-window-solutions-us/solutions/dayli...). This product was selected by an architecture client last year as the optimal daylight/glare control strategy for a school project, and we're assisting... Read more

Hello. Has anyone tackled "tracking emissions from all company-purchased cloud computing" yet? This is in the best category for CC 2.0 and wanted to ask.

How "deep" did you go? 

This was an interesting read, but still left me a little confused about how far I need to go and even what questions to ask:   

https://medium.com/... Read more

Now that you’ve read “The Urgency of Embodied Carbon,” sign up for BuildingGreen Premium to take the quiz and get continuing education credits with AIA and GBCI.

BuildingGreen Premium includes access to our vast CEU library, including Spotlight Reports, feature articles, and webcasts. We’... Read more

Greetings, Green Gurus!  As many of you know, I teach a course at the University of Pennsylvania's Graduate School of Architecture, and one of my former students has just graduated from their and MS in Design - Environmental Building Design program.  She is looking for employment at a firm that has a focus on sustainability.  Unfortunately we... Read more

So I was testing assigning a BIT Expert to a Best Practice and I am having trouble getting the profile image to appear.  

When I upload a profile picture, it appears on the standard profile page from "My Account" but when I navigate to the BIT Best Practice 01, the image does not show and it takes me to another profile page that does... Read more

Hey All!

One of the initiatives from our first meeting in Chicago was to gather and develop resources related to plug and process loads in buildings which will help us all with: energy modeling, equipment sizing and power distribution.  We had our first call this morning and are rolling.  Aspirations are that this could turn into a... Read more

Hi, we need 3-4 folks to volunteer to join us to work out a draft Materials section for the Contractors Commitment.  Meeting set for 6/16 @ 2 PM CST.

Please message me at pslloyd@leopardo.com if interested in participating.  I will forward out the meeting invite. If the time doesn't work, but you want to participate, I will share info in... Read more

I'm sure many of you remember when Greenbuild 2020 was scheduled for the week of the presidential election and if was shifted back one day. 

If anyone has small kids and have gone to book your Greenbuild 2022 travel, you've potentially noticed (as I have) that I'll have to travel on 10/31 and will miss all Halloween activities with my... Read more

Axel Slowin

Does anyone know of a good summary of state and local energy code adoption for new building and ordinances for existing buildings? I know of this energycodes.gov site, but it feels somewhat misleading when you dig into it. For example, in CO, it suggests there is no min code, but there is, and it doesn’t show the extent to which local govs are... Read more

Hello everyone!

I'll be using this thread to post call reminders and notes.

To start us off, the next call is this coming Tuesday, March 24th at 1pm Eastern.

The topics we will be discussing include:

Around the “room” quick check-in. How’s everyone doing? What’s top of mind for you? Able to keep projects and... Read more

Greetings friends.  Our leadership has decided to create a partner-position to my role but in the engineering group of our firm.  This person would be a key ally in my work improving the high performance and sustainability of our projects with a focus on high-performance mechanical systems, net-zero, electrification, etc...  If you are... Read more

Standard HVAC systems require large fans and ductwork to move conditioned air throughout a building, which wastes energy and building space.

BuildingGreen-Approved Chilled Beams

BuildingGreen lists chilled beams that rely on water and smaller ducts to provide HVAC throughout a building.

Performance and Health Considerations... Read more

Welcome to the quiz portion of Work Globally, Design Locally!

Learning Objectives
Upon completing this course, participants will be able to:


Understand how sustainability and regionally sensitive design mesh in various projects.

Identify what metrics or indicators keep track of success in... Read more