All,

Our firm has been struggling to find carbon reduction strategies for concrete that move us beyond a fly ash only approach. Frankly, the knowledge just isn't there internally or with our consultants. We've known that there are a few folks out there that have a deep bag of tricks, but we haven't had the chance to work with them... Read more

Ventilation is essential for indoor air quality, but it can bring very hot or very cold outdoor air into conditioned space.

BuildingGreen-Approved ERVs

Heat-recovery ventilators (HRVs) and energy-recovery ventilators (ERVs) can save energy by capturing nearly all of the heat in the air being exchanged. BuildingGreen approves:... Read more

Welcome to the quiz portion of Toxic Chemicals in Buildings: How to Find and Avoid the Worst Offenders (recorded webcast).

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


1. Explain how key health hazards and opportunities for healthier choices vary by product category.
2. List... Read more

Hello - Other than hiring an acoustic consultant, I am wondering what in-house tools you are using internally at the design stage for modelling acoustic performance? 

Thanks, Mona

Hi all -

I got this yesterday from Renew Oregon, a credible environmental NGO here in the state.

"A secretive special interest group has filed a petition at the Federal Energy Regulatory Commission (FERC) to take “net metering” rules away from states and make it a federal issue.  Net metering is the program that allows homes and... Read more

Would anyone have an example LEED Homes v4 specification they would be willing to share?  We are working on our first LEED Homes project, a midrise low income housing development here in Houston.  We have a LEED Homes provider, but she will not provide the specifications, which seem to be quite different in requirements and submittals from our... Read more

Re: 310 CMR 78.00: Ban of Covered Products Containing Certain Flame Retardants. This law took effect as of April 01, 2021, and is enforced by Mass DEP. 

Quick Summary: Law bans 11 types of chemical flame retardants from... Read more

Hi folks, we have a client who is interested in good precedents for measuring wellness. A little background: the project is a student health and wellness building, and what we'd typically measure (healthcare visits, staff absenteeism, etc) are pretty disease focused. We'd like to put in place systems for measuring positive things, like how many... Read more

Hi folks,

We had a great conversation about this today, following up on a past agenda item that we didn't get to, but that Kim wrote about a few weeks ago on a different thread. He said:

We didn't get to item 7:  "Question about company size as a qualification for the network".  I'd like to offer this input:  I'd like to open it... Read more

I know we have talked about this on various calls, so I wanted to post in case anyone hasn't seen that the IRS has provided an update with rules on how to access the direct pay option.

https://www.usgbc.org/articles/irs-issues-ira-tax-credit-rules-tax-exemp...

Does anyone have install experience with Duracryl yet? I'm looking at it for a large project in place of Marmoleum. We've had multiple instances of install failures with Marmoleum, which leads to lots of finger pointing. 

We have a client thats going through a TI remodel in a building thats a LEED Core+Shell certified building. One of the questions we are trying to figure out is are there things we need to be doing to not imperil the building's certification. 

I think the answer is that the landlord had to write tenant guidelines at the time of... Read more

Hi friends! Despite thinking I had joined this forum on Day 1 - I hadn't! Just a quick hello and great to join you all. For anyone I don't yet know - my key focus through Sustainable Performance Institute is in helping companies institutionalize sustainability in their culture, systems and processes and helping them embark on a path of... Read more

Products recommended by BuildingGreen avoid potentially hazardous additives and binders and have high recycled content or offer superior energy performance.

Recommended cellulose insulations are derived from agricultural waste, offer superior moisture or air leakage performance, or impart lower indoor air quality concerns than other... Read more