Hi all, hope you're keeping safe and healthy. I'm thinking about protocols to put in place on jobsites related to COVID-19 in addition to our IAQ plans. Wondering if anyone's company has started to layout specific protocols, PPE, etc. and is willing to share.

What got me thinking was this article from Prof. Joe Allen at Harvard about... Read more

I'm curious who in this group has used ASHRAE Standard 209-2018, Energy Simulation Aided Design for Buildings except Low Rise Residential Buildings?

We've used it internally (minimally) as a reference to help better communicate the goals and activities involved with energy modeling at various phases of design. But it seems like there's... Read more

The IECC is accepting applications for committee members for its development of the 2024 International Energy Conservation Code (IECC). The responsibilities of the committees include:

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

Welcome to the quiz portion of Avoiding the Global Warming Impact of Insulation.

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


1. Define “embodied global warming potential” and “lifetime global warming potential” as they relate to insulation materials.
2. Describe why some... Read more

Hi all,

I have asked a few of you in this list, but thought I might expand the question to the wide group.

To ensure that your firm will be able to collect post-occupancy energy data from your completed projects, have any of you included language about sharing energy data during operations in an owner agreement/contract? We have... Read more

We all know the climates are shifting, and the ASHRAE standard that gets invoked for energy codes is shifting along with them--though not in perfect sync.  Louisiana is leaping from ASHRAE 90.1-2007 energy code to 2021 IECC (boom!).  The 2021 IECC as published uses relatively old climate maps; for Louisiana, at least, the same as the 90.1-2007... Read more

There are a number of clear finish options available, from natural oils and low-toxicity products primarily used on residential woodwork through factory-applied finishes where specific aesthetics and/or added durability are required (such as those used on cabinetry or commercial architectural millwork). Many of these have very high VOC levels,... Read more

We talked about products in Eastern region and Western region groups. 

Guiding questions:

Better Product Choices On Every Project: How To Get There?

How do firms organize and communicate information on materials? Is it office wide or on select projects?

What do designers and project managers need to know? How... Read more

Hello Fellow Green Guru Members:  I am pleased to be a new member of the Sustainable Community Design Leaders (SCDL) forum, and look forward to learning and contributing here.  Also, in case you missed it, this week there were two important steps forward towards an eventual standardized Environmental-Social-Governance (ESG) reporting system... 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. 

Hi everyone,

Join us for the webinar, "IRA Funding with a Tax Expert Part 2: Updates and  Clarifications" on Tuesday April 2nd at 3pm ET!

Register here and please feel free to invite anyone from your firms to join.

The great presenter from Energy Tax Savers, Jacob Goldman, is returning for a follow-up session for our... Read more

Welcome to the quiz portion of Go with the Flows: The Promise and Peril of Hygrothermal Modeling

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


1. Describe the true role of hygrothermal modeling in design.
2. Name four instances in which to consider using hygrothermal modeling... Read more

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

Vapor retarders are meant to protect our building assemblies from getting wet, but they can also slow drying, contributing to mold and structural degradation.

BuildingGreen-Approved Vapor Retarders

The NYC SDL Group met to discuss the recent SDL Summit Report. The North Star tenant "About the well being of all species" spurred discussion of an example of building's impact on other species: bird collisions. Links to some resources to address this issue are below. Feel free to ask me and/or Stefan Knust about it. We would be more than happy... Read more

Hi all,

I'm trying to figure out how to use this CLF MEP calculator tool that is downloadable from the CLF website. Please see screenshot attached - does anybody know what they are asking for as an input?

"Custom quantities input: The user can enter custom quantities on this tab and produce numerical results. For data input fill '... Read more