Split systems are multi-component units that use an outdoor condenser along with separate indoor fan coils to move refrigerant—and provide heating and cooling—in buildings without the need for ducts.

BuildingGreen-Approved Systems

BuildingGreen approves mini-splits that are tested to AHRI standards and have minimum SEER and an... Read more

The ReUse Map created through the Material Flows Working Group is live and got some great traction at Greenbuild (Thank you Nadav and Barbara!).

To keep the map relevant and updated, we'll be looking at how to fund the maintenance of the map, the best ways to get the word out and looking at writing a white paper. If you want to be part... Read more

Hi Everyone- as a follow up to the 5 minute presentation I did during the recent Virtual Summit-Palooza, I am pleased to announce that the Sustainability Action Plan Guidance Document created by the AIA 2030 Working Group is finished and released.  Please share!

http://content.aia.org/sites/default/files/2021-03/... Read more

Hello Green Gurus,

I wanted to take a moment and introduce myself as I am new to the group. My name is Tim Pranaitis and I am the co-chair of the newly-reformed sustainability committee at Steffian Bradley Architects in Boston, MA. As a newer member of my firm, I have been tasked to re-start and grow our sustainability committee which... Read more

A brief non-technical rant about OneClick LCA - from someone who is not actually USING the tool, but lobbying for its access.  Wondering if you all have better intel, or if it is just me.

We are working on a number of projects for which te teams are using OneClick LCA - for some cases it has a better international data set than others. ... Read more

Hey SDL,

I'm curious if anybody out there has developed specification language requiring a certain level of airtightness (as assessed via one or a series of blower door tests) for a commercial project when it is not going for a Passive House certification and a blower door test is not required by code--basically, something in the... Read more

Learning Objectives:

Explore the relationship between smart buildings and cybersecurity through their shared history.

Clarify the difference between OT and information technology (“IT”) cybersecurity including the protocols that drive OT cybersecurity programs.

Provide recent examples of critical attacks on building... Read more

Hi SDLers! I hope early fall is finding you well.

There is a current opportunity to make a difference in the campaign to reduce use of toxic flame retardants.

Arlene Blum and the Green Science Policy Institute, whom many of you know, are currently organizing a campaign of support for the CA State Fire Marshal's proposal to allow... Read more

Dear SDL: Thanks to all who have already given their support to the AIA Resolution on Urgent and Sustained Climate Action. We're into the final push of getting out the vote to pass the resolution next Wednesday, June 5th afternoon in Las Vegas. This requires 2/3s of the voting delegates to pass. So we're asking anyone who 1) is attending as a... Read more

Welcome to the quiz portion of Community-Scale Sustainability: Accelerating Change for People and Planet

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


Explain how combining stakeholder efforts and resources can achieve greater resilience and sustainability for communities.

Discuss... Read more

Thanks to SERA especially David, Kira and Clark for an inspirational conversation with Paul Hawken about his latest book. I know I needed a positive perspective! Then I found this great "Regeneration Anthem" song and had to share.

https://regeneration.org/news/210915-we-can-change-world-regeneration-an...

Happy Fall to all.

Good morning, All,

Just a bit of news this morning.  My family and I are moving back out west!  I am continuing in my current role with EwingCole, but will be doing so from Portland, Oregon.  Although North Carolina has a been a wonderful place for us for the past 13 years, it is time to be close to family in the northwest and southwest... Read more

I'm sure if I hop in the way back machine I could look in the forums and find old threads on LEED GA and LEED AP study resources, but I also know that material comes in and out of date. Has anyone found a good, current solution for firmwide LEED study materials?

We used to have some GBES resources, but those are intended to be person-... 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

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