Was anyone else surprised to see ASHRAE 228-2023 using eGRID Subregions for both the Regional Electricity Source Energy Conversion Factor and Regional Electricity Greenhouse Gas Emission Factors? In the past I have used eGRID sub-regions but also State and local utility conversion factors depending on what energy or operational carbon story I... Read more

Extremely proud to say that the just-announced winner of the international 'Next Generation Facade' design competition is a team led by the 2017-18 EDR Research Fellow, Liz McCormick.   The facade normally separates inside from outside. What if the 'facade' was a place you occupied, where you worked? What if different parts of the facade... Read more

Hello Green Gurus,

Our next Peer Networks webinar is coming up in just two weeks! We’ll hear from the Indoor Air Quality Working Group, authors of the recently published whitepaper “Considerations for Continuous Air Quality Monitoring: Simple tips for getting it right, according to IAQ consultants”.

More details will be available... Read more

Welcome to the quiz portion of The Death and Rebirth of DC Power. 

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


Explain when and how to integrate DC power into buildings, and the benefits of doing so.

Understand the history and background of AC and DC power in the U.S.

... Read more

HI MEP Leaders,

Related to our thread about equipment needed for decarbonization, I have a question about what new or improved equipment is already available now that you're excited about.

Every year we at BuildingGreen publish (and present at Greenbuild) a listing of the Top-10 new and exciting products. Our focus this year is on... Read more

Hi,

There is a Blog section on the BIT User site. Will you have a blog post in time for launch? Or should we hide that section to begin with?

https://live-bituser.pantheonsite.io/blog

Andrea

I had a client ask recently if there is a 'better' global social justice tool than ILFI's JUST for use outside the U.S. 

Personally, I'd look to WELLv2 feature C12 - Organizational Transparency for other options... but personally have very limited knowledge of options c-e.

Do folks have an opinion on if any of these prograams are... Read more

Hello, 

We are becoming involved with the design/construction of a new k-12 school that is intersted in entertaining geothermal. Does anyone have payback studies on geothermal?

Thanks!

Lighting can be inefficient and have poor quality, short lifespans, and toxic ingredients.

BuildingGreen-Approved Replacement Lamps and Lighting

BuildingGreen approves a variety of replacement lamps and lighting, including:

Welcome to the quiz portion of Building Re-Entry with Arc

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


1.  Explain the similarities and differences between LEED v4.1 O+M performance metrics and the Arc Re-Entry program.

2.  Understand how Arc Re-Entry contributes to an iterative re-... Read more

Check out this new executive order. It is broad and includes a lot of items, but of interest to this group, there are some things in here that we pointed towards in our letter back from the beginning of the year, including 24/7 carbon-free electrical energy, a net-zero emissions portfolio by 2045 and net zero emissions from procurement... Read more

Hope you can join the Small Firm Sustainable Design Leaders CALL this Thursday, 12/12 @ 1pm Eastern. 

                Join Zoom Meeting
                https://zoom.us/j/629388002

AGENDA

Nadav will lead a conversation about the new(ish) sustainability clauses in AIA’s Code of Ethics

1. Do you think that they... Read more

Hi, the SF Dept of Environment is doing some surplus construction materials studies there are surveys for designers and contractors.  They are looking for a wide array of responses, so don't worry if you don't live in that area!

See link for contractor survey if you are interested: 

https://formfacade.com/public/... Read more

Hello everyone,

Wondering if anyone has evaluated/considered/specified wood fiber insulation for use in lieu of mineral wool as the exterior wall insulation?  Am mostly looking to better understand domestic availability, r-value and fire/combustibility.

We have a multi-family building in DC where the client is interested in using... Read more

Has anyone seen a comparison between IECC 2021 and previous versions of the energy code, including ASHRAE 2010? I'm curious how far ahead code buildings are relative to LEED v4.0, and how much the latest IECC raises the bar relative to the previous. I did a quick search for the LBNL and other studies that look at this, but didn't see anything... Read more

Hello SCL,

Version 2.0 of the Contractor's Commitment has officially been ratified with 33 "yes" votes out of 52 members. Congratulations, and a big thank you to everyone who helped move this forward--especilly Amanda Atkinson, who really took this project by the horns. 

You can find the updated version here.

Next, I'll be... Read more