At Living Future last week a woman from Google asked about cost comparisons and I shared that the City of Santa Monica conducted a study analyzing the costs of a prototypical mixed-use project for a Living Building vs. LEED v4 Platinum vs. code compliant (Title 24, part 6). I thought this group might be interested as well so here is the link... Read more

Welcome to the quiz portion of Mind the Gaps: Making Existing Buildings More Airtight!

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


Identify key performance problems related to leaky building enclosures.

Examine the benefits of making existing buildings more airtight, such as... Read more

Greenbuild bound colleagues-

I unfortunately cannot join for the summit Tuesday but should be flying in early enough to potentially join the group for dinner. Are there any plans brewing that I might join?!

Let me know? Thanks.

Katie Rothenberg

Vice President, Sustainability & Innovatio 

HITT Contracting... Read more

Wondering if anyone has a contact for good [sustainable] interactive water feature designer? A client is looking for a designer to add to our team and I figured this network would certainly have some insights. Project will be located in Omaha, NE. 

Little things make a big difference in MEP systems. Pumps, fans, ducts, and dampers are at the heart of performance.

BuildingGreen-Approved HVAC Accessories

We approve the best-in-class products in each category, including:

Hi All! 

We have had a few multi-family projects consider this single package vertical unit with integrated ERV, but we haven't pulled the trigger for fear of the unknown. Our local engineers aren't sure how it actually performs and worry it may not meet code requirements for separation between exhaust and intake. Has anyone else used... Read more

Hi All,

Our local COTE committee has the opportunity to meet with a local jurisdiction on meeting the targets set forth by their Climate Action Plan.  In preparation I'm looking for innovative building codes/ordinaces that address existing buildings.  I am already digging into Boston's Building Energy Reporting and Disclosure Ordinance... Read more

Has anyone used the new 3M Smog-Eating Granules on a roof before? Malarkey and Soprema are offering this as an option for their roof shingles. Seems like a great technology for urban areas, but I'd be curious to see if anyone here has actually successfully specified and installed it.

https://www.3m.com/3M/en_US/roofing-granules-us/... Read more

Hello Sustainable Construction Leaders,

We’re happy to see the first round of registrations rolling in! If you haven’t yet, make sure to register here. And if you have any friends not currently in our Member Directory that you’d like to see at the Summit, encourage them to reach out to me (candace@buildinggreen.com). We’ll get them set... Read more

Currently not for sale, being updated and re-released in November 2021.

New Guide to Thermal Insulation Report

The BuildingGreen Guide to Insulation provides detailed guidance on insulation products and practices, including cost comparisons and detailed recommendations on what insulation to use, and what to avoid. It's a treasure... Read more

Hello SCL,

We've heard you ask for more ways to connect with your SCL peers. So, we are happy to announce that we will now be holding bi-monthly calls where the entire SCL network is invited. These calls will be limted to SCL members (with the exception of guest speakers) so please don't share the information with colleagues. 

The... Read more

Hi! Just saw this White House press release stating that federal suppliers will need to report on scope 1 & 2, and relevant scope 3 emissions and climate-related financial risks as well as set science-based emission reduction targets. The cutoff for disclosure requirements is $50m in federal contracts. Curious whether this affects any... Read more

CEUs are available for reading all the building-envelope product guides and primer. Click here to learn more and take the quiz.

Noise disrupts work, learning, and healing and can create stress and discomfort.

BuildingGreen-Approved Acoustic Insulation

We look for products with:

Hello Everyone!

Wondering if anyone has expertise in Algae Photobioreactor facades? Here is a product: https://cellparc.com/

My basic understanding is that they produce heat and biogas (as well as providing shade and some thermal value.)  However, I am not clear on the GHG balance benefit, so to speak.  I cannot determine if the... Read more

Happy Monday all!

i am looking for ROM on cost premium for LEEDv4 to go from Gold to Platinum and from Gold to Net Zero, anyone have any stats?  just looking for % premium.  Our projects show around 1% to get to Gold but not sure what it looks like above that.  Thank you!

Does anyone know where one can locate weather files (EPW) that has predicted future data for climate change?

Thanks in advance.