Championing the
Changemakers

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

Hi folks,

We had a fun impromptu conversation on our call last week. We got most involved in the challenge of getting developers interested in taking advantage of IRA Tax Credits. That can be quite a challenge given their business model.

We also heard about emerging data on tradeoffs between embodied and operating carbon, and how... Read more

Has anyone worked on a project installing a PowerNest system?  I just found out about it today and would love to get working information on it.  

Here's the link, in case its new to you as well. https://www.ibispower.eu/home

Thank you -

Has anyone heard about batu or cumaru as substitutes for ipe? I am looking for a durable deckling material, and would appreciate your recommendations for sustainable choices!

WELL & Fitwel and beyond.

Guiding Questions:

Good Afternoon!

has anyone heard of this?  the program focuses on healthcare construction but i think it would be good for all construction sites to have a certified individual.  And for those of us that report to CDP, this would be a good risk management strategy to include.

https://greenadvantage.org/pcra-certificate-program... 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

I wanted to share news of a pledge intiated by the US Government Health and Human Services to reduce healthcare sector emissions. It was announced on Earth Day 2022. The pledge is part of the US's efforts to meet commitments made at COP26. I highly recommend watching the webinar to hear more of the pledge's nuance.

The voluntary pledge... Read more

Hi all! During our Contractor’s Commitment call last week Amanda made a great point about sharing of waste data to gain some realistic, current metrics. Just like I assume many of you, we have both seen a decline in successful diversion these last few years and our companies’ overall percentages have taken a hit. In an effort to gain a full... Read more

I can see from the threads that there are at least a few Passive House advocates in this group - I'm wondering about the PHIUS training and certification. Can any who have done it offer an opinion? Is it valuable? Residentially focused? Would it apply to someone in a larger commercial practice? It's an investment of time and $, so I really want... Read more

Welcome to the quiz portion of Sustainable Sites: Primers from Environmental Building News.

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


1) Describe how invasive plants can harm an ecosystem, and why native plants are generally less work and less expensive.
2) Explain the... Read more

Hi All,

Attached is the DRAFT of our ZNE Data Report.  It is just the beginning. We have a lot more data to gather.  We didn't want to wait for it to be perfect to get it out. Hopefully this gives you all an idea of where we are headed.  Please continue to send us your projects in the Northeast.  I've also attached the excel doc for you... Read more

Hello Green Gurus,

Here is the information for February's Peer Networks Webinar, A Tale of Two Working Groups: Decarbonizing Existing Buildings & Defining and Measuring Resilient Outcomes. We hope you will join us!

Register HERE

A Tale of Two Working Groups: Decarbonizing Existing Buildings & Defining and Measuring... Read more

We are excited to open registration for the Sustainable Design Leaders Winter Summit 2020! This year’s Summit will take place Jan. 29th - 31st, 2020 at The Lodge, Gulf Shores, AL. The Summit agenda will be shaped by the collective group feedback given in the upcoming pre-summit survey. The Summit begins Wednesday evening (usually 5pm) with a... Read more

Currently not for sale, being updated and re-released in November 2021.

New Guide to Thermal Insulation Report

The BuildingGreen Guide to Insulation provides detailed guidance on insulation products and practices, including cost comparisons and detailed recommendations on what insulation to use, and what to avoid. It's a treasure... Read more

Are you a design or building professional who wants to learn more about sustainability—such as how to do energy modeling, improve the building envelope, or use renewables on a project? Now more than ever, it's time to join the sustainable... Read more

I am diving back into Sefaira for the first time in a while, and the program still seems to be missing the ability to account for automatic daylight dimming in energy savings. Previously I had used an LPD reduction equivalent to emulate the savings automatic dimming would provide. Has anyone done a similar work-around?