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

Has anyone come across any (embodied) carbon emissions calculator for water?  Perhaps per region/state?  

Thanks in advance!

Has anyone done any museums in which they hired an independent QA/QC specialist? Or perhaps, your firm offers QA/QC services and experise in this area? If so, could you please reach out to me? I'm wondering what firm you used and what your experience was. Was it worth the fee?

Hello SCL,

We've heard you ask for more ways to connect with your SCL peers. So, we are happy to announce that we will now be holding bi-monthly calls where the entire SCL network is invited. These calls will be limted to SCL members (with the exception of guest speakers) so please don't share the information with colleagues. 

The... Read more

For those at Islandwood for the Summer Summit this week, we have this post-Summit meeting opportunity with James Connelly and Kathleen Smith from ILFI. This is one in a series of "Living Building Leaders" meetings, at which architects who support LBC get to collaborate with ILFI on how scale up LBC adoption.

Here's the agenda for this... Read more

Hello friends,

We are looking for recommendations for solar photovoltaic consultants to support one of our projects. We have used SEI in the past, but would like to develop a deeper bench and approach it from another angle. We aren’t too concerned about the consultant’s location, but are looking for someone that is on top of the current... Read more

Hi all, 

Thank you again to those of you who attended the Summer 2024 SDL Summit! We had an unforgettable few days of learning from one another, including from our presenters.

The slides for the 5-minute presentations are below, as well as the BuildingGreen slides from the Summit. Please be aware that we have permission from all... Read more

Axel Slowin

Welcome to the quiz portion of Net-Zero Energy Isn’t the Real Goal: 8 Reasons Why!

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


Products & Materials Specialist and LEED AP BD+C Brent Ehrlich excels at deep, unbiased, and nuanced technical research on the health and environmental impacts of green building products and materials. Some areas of focus include:

product and material constituents, including their risks

product certifications

... Read more

Hardware has to be durable and resist weathering to ensure that features such as doors function properly.

BuildingGreen-Approved Hardware

BuildingGreen approves hardware that uses post-consumer recycled metal content beyond what is standard in the industry. Products from manufacturers that have engaged in information transparency... Read more

Hi Small Firm Sustainable Design Leaders!

Our call today at 1pm Eastern will focus on the ways in which your firm is impacted differently than larger firms on the variety of topics and issues that are reflected in the 2020 SD Leaders Winter Summit REPORT. Take a look at this report and especially at slides 14-33. Bring your observations... Read more

Hello all,

I have a quick question for you. While Energy Star appliances are a no-brainer for projects, I don't see a hard requirement to select Energy Star appliances in the energy prereq/credit. There are references in the water section for water using appliances like ice machines, dishwashers, clothes washers, etc., but no related... Read more

Does anyone have a draft copy of the ASHRAE 209P standard? It has not been finalized? See an overview of it here from IBPSA 2016 summer meeting.

The 209 committee plans to release it for a 3rd public review and hopes to finalize it in late winter or early spring. I'm just trying to track down one of the earlier verisons of the document... Read more

Hi All,

Wanted to let you all know about an ADSDL inspired event we are having on Thursday in Boston.  We’re having close to 40 presenters giving 5 minute presentations (sound familiar?) on the latest and greatest strategies getting us to net positive energy buildings.

Please forward this on to folks in your Boston offices.  ... Read more

I'm happy to announce the Call for Presenters for this year's Gulf Coast Green, taking place in Houston May 17th.  Our theme is Crossroads: Inclusive Exchange.  We are especially seeking presentations that focus on how design can engage the community and foster social bonds and social justice.  I’m sure many of you have work that is relevant,... Read more