Championing the
Changemakers

Composite windows come in two basic types: fiberglass, and wood/plastic composite.

BuildingGreen-Approved Windows

Fiberglass and other composite window lines have NFRC unit U-factors of 0.20 or lower. Higher U-factors are allowed for products that include significant recycled content.

Manufacturers also must demonstrate... Read more

For a number of years a colleague and I have been teaching a course about sustainability and water in architecture at the University of Pennsylvania's architectural school (PennDesign).  This year we're hoping to bring a few new opinions to the table for at the same time as we broaden the discussion.  Because the class will be virtual again... Read more

Welcome to this practice session for the LEED AP v4 exam, and good luck!

All the exam questions and explanations that follow were authored by Alex Spilger, LEED AP BD+C of GreenStep Education, and are provided in this BuildingGreen "exam simulator" through a special partnership with GreenStep and with our friends at the Poplar Network.... Read more

There has been a lot of discussion re antimicrobials in this group, so here is a pre-release of this month's article on the topic. It's not an extensive feature, but I hope you find it informative.

Brent

Imagine folks have seen this, but thought it was worth bringing up: this study which shows the great need to build new renewable infrastructure to support electrification.

I've been in a few discussions with folks where we've discussed how electrification is objectively a good goal, but are we passing carbon from one source to another?... Read more

Hello good people and fabulous troublemakers,

PFAS is in everything. In May, the NY Times published an article about this, along with the governments work to remove it from drinking water. https://www.nytimes.com/2024/04/10/climate/six-things-to-know-about-forever-chemicals.html

As you may know, a working group has been gathering... Read more

Hello everyone. I am seeking some guidance on crafting an arguement for why my firm should support a change to the Washington State Energy Code which would mandate electric heat pumps for commercial builidngs.  AIA WA is working on the state commercial energy code update under consideration this spring.  We have been invited to sign on to an... Read more

I am excited to share with you the final draft of the letter back to LP50 manufacturers.  The LP50 manufacturers sent their “Closing the Loop on Product Transparency” to design firms earlier this year.  For more background information, please check out Chris Hellstern's original August 20th post on this Green Gurus forum.  When we posted the... Read more

Small Firm Sustainable Design Leaders –

I find it hard to believe calls for session proposals are already out for next year’s AIA Conference on Architecture.  I feel like I just got back!

At my firm, we try to have all principals and associates to submit a proposal each year.  I had a couple of take-aways from this year’s... Read more

Hello SD Leaders!

Two weeks ago a group of us gathered for the Winter 2020 Sustainable Design Leaders Summit. Those of us from BuildingGreen that were on site, greatly appreciated everyone's time and energy. It's always a pleasure to work along side you all!

Here is the summit report!

Reminder: We are giving a priority look... Read more

This is sort of dragging up an ancient topic, but curious how your firms are currently addressing accreditation (LEED AP, WELL AP, LFA, etc.). There was a time when we were all talking about this, and a number of firms instituted requirements, but it has been a long time, and I'm curious how it's looking now in 2024. Thanks! 

In this live webinar on the sustainability of wood construction, we tap the expertise of leaders in the field and look into three main issues:

I think they look great - thanks to BuildingGreen for setting this up!  A few comments/questions:

Hi All,

USGBC MA is doing a study on the cost of net zero energy buildings in MA.  I’m wondering if you all have any data to share on plug loads in ZNE projects. I’m looking for single family res, 2-4 unit residential, +/- 60 unit residential, 10-12 story office, and k-12.  The engineers have presented initial results and their... Read more

All--

I haven't been part of this group in a while, but I'm excited to have rejoined recently. Some of you know that I joined HMC last year as Chief Impact Officer. I oversee design, sustainability, research, and communications for the firm, which has 300 people in 6 offices in California. We were founded in 1940 with a mission to serve... Read more

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

Wall assemblies are made up of a number of different materials and systems, and installing each of them requires considerable time and labor and can introduce errors that compromise the building’s weather... Read more