We have an MEP engineer that is calculating peak loads at about 6 times passive house levels on a large commercial building that is at or near passive house levels of insulation and air infiltration. We suspect one reason is that he is figuring a 50% efficiency level for the ERV. We are showing him ERV systems with 80-90% efficiency, but they... Read more

Sustainability leadership has requested that you take this quiz to help assess sustainability literacy across the firm. Your own results will be presented to you at the end of the quiz but will not be shared with anyone else. Only aggregated, anonymized results will be available to others.

Please don’t do research to inform your answers... Read more

Hi everyone! Our sister company, Flatiron, is a heavy civil/infrastructure contractor based out of Broomfield, CO. Their sustainability team is on the hunt for a Circular Economy Manager. Our companies recently announced exciting public ESG and climate commitments, including several related to waste reduction, life cycle assessments, and more... Read more

hi all! I'm almost at the finish line with this year's 2030 reporting...whew. I'm running into an issue that I wanted to throw out to this group, regarding the zero tool and national average baselines. Hoping some of y'all who manage your firm's 2030 data, or are just more familiar with CBECS and related data, have some insight / experience to... Read more

Hi everyone,

Have your projects explored, pursued, or successfully achieved the domestic content bonus for PV systems within the Inflation Reduction Act (IRA) Investment Tax Credit? I have a project that is considering adding the IRA domestic content requirements and we are trying to understand the nuances and potential challenges (cost... Read more

Hello Green Gurus,

Now is a pivotal moment. Net Zero Stretch Code legislation has been proposed in the Massachusetts House and Senate, and draft code language is currently being developed by the Board of Building Regulations and Standards (BBRS). The Net Zero Stretch Code is currently the greatest single opportunity to support reduced... 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

Hey Peer Network! Curious, if we can crowd-source a solution here for the pervious pavers at our Omaha office (climate zone 5A). Apparently over the years we've tried to add different kinds of fill here (gravel) but it keeps... disappearing. Any recommendations with either a replacement product or fill item? 

Hello Everyone,

On September 9th a regional cross-network group gathered for the first in-person Peer Networks event since the beginning of the pandemic. All Peer Networks were represented at this Boston Region Mini-Summit! With this first one in the books, BuildingGreen is hopeful for paving the way to future regional events across the... Read more

Welcome to the quiz portion of 20 Ways to Advance Sustainability in the Next Four Years!

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


Identify the challenges to green building during a time of environmental urgency and political unrest, and find opportunity in these challenges.

... Read more

Can anyone point me to a (dream?) resource listing effective R-values of various wall assemblies?  We are trying to find a cost-effective R-40 wall assembly for a one and two story public middle school targeting net zero energy in Oregon.  Referencing Seonhee's "thermal bridging" thread in late April, I used Therm's native drawing feature, but... Read more

Good Morning,  I have so enjoyed reading everyone’s personal introductions.  I am happy to be a part of this group and look forward to working together to create transformation of an industry that is sometimes slow to move.  My name is Patty Lloyd and I am the Sustainability Manager at Leopardo Companies, a Chicagoland area General Contractor... Read more

Want to make sure those in Portland are aware of a couple of LF18 Ramp-Up Events happening on April 10th. 

Introduction to the Living Building Challenge (presented by Kathleen Smith)
https://living-future.org/events/introduction-to-the-living-building-challenge/

Incentivizing Living Buildings in Portland 
https://... 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

Conventional overhead air distribution systems rely on energy-intensive air mixing, but underfloor systems take advantage of natural convection and stratification.

BuildingGreen-Approved Access Flooring Products

We list access flooring products that are specially designed to facilitate effective, energy-efficient underfloor air... Read more