Welcome to the quiz portion of Solar Thermal Hot Water, Heating, and Cooling.

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


1. Explain active and passive; direct and indirect; and low-, medium-, and high-temperature solar thermal systems.
2. Distinguish between the three most... Read more

Hi Everyone - I'm posting this on behalf of Jeff Frost whom many of you know from his days as an SD Leader with SmithGroup and SERA and in his new role as head of Brightworks Sustainability's materials group.  I am excited to be working with Jeff on this concept of multi-attribute product scoring.  Cheers, Lona

Dear SDL’ers,

We’ve... Read more

Hello Everyone,

As the staff here at BuildingGreen prepares for our third peer network summit in two months, we'd like to share out the Summit Report from the first online summit with the Sustainable MEP Leaders. We're a little delayed in sharing this with the wider Green Gurus group, but there is still plenty of time to review before... Read more

Has anyone heard about batu or cumaru as substitutes for ipe? I am looking for a durable deckling material, and would appreciate your recommendations for sustainable choices!

Blast from the past when 179D first hit the scenes.

Are any of you still using this and if so, has it been easy, successful, worthwhile etc

and Happy New Year !

Green gurus!

We're getting some interest from clients abroad on two specific materials which we don't have experience with here in the U.S.:

1) Cross Laminated Timber (CLT)

and/or 

2) CarbonCure concrete

Anyone willing to share lessons learned on these material either here in the forum or offline? Or point me... Read more

General FAQs

Orders, Memberships and Billing

Technical... Read more

For anyone attending this year's APA conference in person in San Diego, please consider joining us for our divison's annual reception and Awards for Excellence in Sustainability. We will be joined by members of the City Management & Planning, New Urbanism divisions, and the National Capital Area Chapter. Here's a link to register for the... Read more

SDLers – For one of our projects we are working with local tribes to procure timber. We would also like to get FSC certification, but haven’t found significant overlap between these two criteria in the Pacific Northwest. There appear to be two certification entities in our area: Northwest Natural Resource Group and Trout Mountain Forestry.  I’m... Read more

Our firm has had some clients that object to the term "Master Plan." We have removed "Master Planning" from our letterhead, where we list our capabilities and have replaced it with "Planning." Although we still find ourselves using it, old habits die hard, especially when we receive an RFP from a client asking for "Master Planning." Once we get... Read more

Hi All,

Elkus Manfredi Architects in Boston is looking to fill a few positions -if you know of anyone looking in the Boston area, plesae let me know or send them my way. Kfritsch@elkus-manfredi.com

Specifically looking for an entry-level person with specialized expertise in parametric modeling, conceptual energy modeling and... Read more

Hey, everyone! Eleven months after our initial release, we have now released a totally updated version of our EPIC tool. It’s available at the same location as before (https://epic.ehdd.com) and reflects thousands of hours of work over the last year. From humble beginnings in Excel, EPIC now has about 2,000 users and dozens of logins each day—... Read more

Does anyone have a good recommendation for getting started with energy modeling with future weather files? We use a combination of Sefaira and Climate Studio, but open to suggestions. Even just links on how to approach this for making good recommendations to clients. Thanks in advance.

Commonly used for interior partitioning of commercial buildings, light-gauge steel framing is increasingly being used in residential construction. Compared to solid wood, steel studs are lightweight, dimensionally stable, resistant to insect damage, and of consistent quality. 

BuildingGreen-Approved Structural Steel

Products... Read more

Successfully managing the LEED documentation process requires specific knowledge, tools, and skills that are not covered in the LEED Reference Manual. This CEU course is based on the LEED Project Management course that GreenStep developed and teaches through UC–Berkeley Extension. It is designed for professionals who are somewhat familiar with... Read more

Hi everyone - 

The State of Oregon just posted this Policy Analyst Job Posting. The position is specifically looking for someone to assist in embodied carbon and other sustainable code items. I have heard directly from Oregon's Building Code Division that even though the position is looking for public policy, an architect or engineer (or... Read more

Dear all,

For a specific existing building application, we are looking for a half inch insulating glazing unit, preferably with low-e coating. Based on my research, 5/8" seems to be doable (1/8" glass + 3/8" air gap + 1/8" glass) but I'm yet to find a viable 1/2" solution. Have you come across any on your projects? Thanks for your... Read more

Hey, all. Two questions:

-How do we communicate to you LEED User content that needs to be pulled through to BIT-user pages? Are you all going to assess each BP page for potential articles/topics that will be linked?

-Regarding the forums- is there a way to notify program staff when a forum has an unanswered question? Hoping to... Read more