Good Morning;

I wanted to share a resource that everybody might not be aware of - HomeFree by the Healthy Building Network which can be found here:  https://homefree.healthybuilding.net/products

Most of us know that HBN exists, but i think many folks just think HBN = Pharos, which is an extensive database behind a paywall that can... Read more

I took a first pass at content for the Energy Audit best practice, see the uploaded file. 

I know there are a few of us WELL Performamce Testing Agents / Organizations represented in this group. In the wake of technology talks on this weeks update calls from IWBI, I'm wondering if anyone would be interested in a best practices and equipment small group discussion within the safe space of Green Gurus? Let me know! 

I have a client seeking grant funding & they're vetting current US technology around large-scale prefabricated mass timber. My question to this group is if this currently exists anywhere in the US.

Qualifications:

10+ years experience manufacturing and installing large-scale prefabricated mass timber elements into completed... Read more

I'm looking to draft some one-page briefs for my consulting engineers to outline what we would like to see in their specs regarding certain materials and systems. For example, letting the plumbing and civil engineers know that we prefer to eliminate PVC pipe and want them to specify alternatives like Polypropylene, cast iron, ABS, etc. The idea... Read more

Apologize in advance if this has been posted before but we are trying to get manufacturers of stage curtains to give documentation that proves that the product does not have halogenated fire retardants. Manufacturers say they don't have them or concentrations are limited to 100ppm but they don't seem to have documentation to provide for it.... Read more

All--

Metropolis magazine asked me to write a long piece about the current state of post-occupancy studies. I'm wrestling with whether to do it and how to approach it, but it would be helpful to hear your thoughts on the following--

--importance of the topic

--typical and atypical approaches and criteria

--examples... Read more

Hey there hive mind,

We went looking through LEEDuser to try and find some direction and didn't find much so I thought I'd bring my team's question here to all of you smart people. We're working on a non-combustion central plant tied to a geothermal field and grid electricity. The project has cooling towers and their associated chemical... Read more

Welcome to the quiz portion of The Hidden Science of High-Performance Building Assemblies.

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


1. Define hygrothermal pressure and explain what it requires of water, air, and thermal barriers in high-performance assemblies.
2. Explain... Read more

Hello Green Gurus!

Quick introduction as this is my first time posting - Louis Koehl, AIA, CPHD, Director of Sustainable Design at Handel Architects, based in NY. I recently joined the SDL Forum and met some of you at the regional summit and Greenbuild.  I'm excited to continue to connect with such an influential group! 

My... Read more

Greetings Gurus, following the AIA COTE Design for Economy concept, does anyone have a resource for a list of building efficiency ratio "targets" by space type? I've always struggled with this initiative. 

Office furniture’s materials and components can come from unsustainable sources, and use adhesives that emit formaldehyde or other volatile compounds.

BuildingGreen-Approved Furniture

BuildingGreen approves tables, desks, and other office furnishings certified to BIFMA’s multi-attribute level 3 standard, which requires low... Read more

Hi All- I will be starting bi-weekly mtg for the PFAS working group to align on our goals as consicous firms and finalize our message aka 'letter to manufacturers' for reducing PFAS in building materials. Please email me (pgupta-garg@wrnsstudio.com) to let me know if you are interested in being a part of the group. First mtg will be next week... Read more

I opened IE11 (Internet Explorer 11) today, and saw a message indicating IE11 will be retired June 15th, 2022. While I have no personal attachment to IE11, it was the only internet browser I could consistantly get to open LEED Online credit templates on the actual website. 

Has anyone found another way to be able to fill out LEED credit... Read more

Is anyone aware of research or guidance that has looked at VOC’s from roofing products and ventilation intakes? I’ve done some searching, and focus is mainly on managing the construction process to reduce installer exposure. 

Thanks for any help!

Tate

Hello, what acceptable levels of air quality are you using to evaluate natural ventilation strategies for your projects?  In our Living Building we only open windows when PM10, PM2.5, etc. are within LBC and WELL limits.  In a seasonally smoggy urban environment, this limits how often we can utilize natural ventilation even if the outside... Read more