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

D.J. Greenspecher

We have an environmentally-minded client who asked us to look into an alternative to the blue adhesive film that is typically used to seal uninstalled ducts for IAQ purposes. From a human health and waste perspective, they were hoping to find something that was both plastic-free and reusable. Has anyone tried out other options? I thought it was... Read more

Hello Sustainable MEP Leaders!

Here at BuildingGreen we are excited and looking forward to creating a valuable and engaging online summit with you all for 2020!

You can Register Here as well as review important information. The dates to mark on your calendars are June 9 - 11, 2020.

This is a crazy time, full of uncertainty... Read more

The Sustainable Design Leaders network and Summit events started over 10 years ago, when a group of sustainable designers realized that the struggles they faced and the goals they strove toward were shared by many... 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

Good morning. If you're worried  like I am by today's new IPCC Report and would like some helpful explanation I recommend reading climate scientist Zeke Hausfather's lengthy Twitter feed summarizing key aspects with graphics. It's here https://twitter.com/hausfath/status/1424642708291821569?s=21

of course we need to see this as an even... Read more

Mark your calendars Sustainable MEP Leaders!!
Here are the details to save the date for the 2020 MEP Summit:

Date: June 9th and 10th, 2020
Location: Stantec Office in Denver, CO
Schedule Outline: Tues. 9th beginning with Lunch at Noon, ending Wed. about 3pm

Gather and learn from your peers! Share your challenges... Read more

Currently, the BIT User site is fully accessible without having to log in (unless you want to edit or add content, of course). The time has come, however, to start restricting access only to logged-in users.

Which sections will be freely visible, and which will be visible only to registered users? Here's what I recall from our earlier... Read more

Hi all,

We're doing some tool-related soul searching at WRNS and some folks here have raised Cove.Tool as a potentially interesting addition to our library. I'm looking for any insight you all can provide. Cove has come up various times, but curious if there's been any change for the better/worse in the past few years.

Do you use... Read more

Hello Green Gurus!

Thank you to all who joined the cross-networks adventure that was the Sustainability Leaders Week: 2021 Summit-Palooza, all of us at BuildingGreen were so glad to share that time and space with you all.

We have been receiving a few questions about next steps, here are a couple details we wanted to share with you... Read more

A couple questions for this group. I know we're having a Green Commons meeting on this next week. But can anyone comment on the following questions?

-Have you or your firm split the benefit of the 179D with a client? Is this typical?

-Is prevailing wage a requirement for all 179D benefit, or does it follow the same lines as... Read more

Hi folks,

In case you know someone who might be right for this Seattle-area gig:

The position is a Senior Program Manager with CBRE on the Microsoft account working with Katie Ross, MS Sustainability Program Manager, to deliver their sustainability program to their real estate globally. 

Here is the posting: https://cbre.... Read more

Hi Friends, 

I'm working on an SOP for construction waste management for LBC core and LBC materials petal projects and wanted to get your input on the comingled facility requirements. According to the guidelines, any waste that goes to a comingled facility must be a facility that has an average diversion rate of 80% or higher as a... 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