Hi All,

I want to share this report, released today, that I and some other folks on Green Gurus have been working on.  The report dispels the myth that Zero Energy Buildings cost more (specifically in Massachusetts) and it goes further, making the case that Zero Energy Buildings are actually great investments.  Take a look, tell us what... Read more

Since the launch of the Contractor’s Commitment in late 2020, nineteen companies have become signatories and many others are using the guidelines as a roadmap for their firms.   Now that the pilot year of the Contractor’s Commitment is complete, it is important to consider if and how the guidelines should evolve to be the most impactful.  Over... Read more

Many on this list teach or have strong contacts with university programs, so I'm hoping to leverage our network in service of something that may be of general benefit.

EDR has a Research Fellowship program where we host young talent for 3 or 12 months addressing new theme each year. The Fellow(s) get "academic freedom" and have no... Read more

Hi All,

If you have 5 minutes, we would appreciate your input in the Google Spreadsheet (linked below).  If you only have 1 minute, feel free to reply to this forum post and list your the typical equipment vendors you spec on projects.  :)

We're asking each of you to enter your "Top 3" specified vendors for each of the products... Read more

He just posted the following on the Building Performance Knowledge Community forum:

Does anyone have a recommendation for software that is easy to use and relatively inexpensive for doing energy performance analysis at the schematic design (or before) phase?  We are looking for a tool that gives good quantitative comparisons for... Read more

Welcome to the quiz portion of The PVC Debate: A Fresh Look.

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


1. Examine the actual cost-effectiveness of PVC in terms of quality.
2. Explain what makes PVC a health hazard.
3. Recognize market effects of PVC's durability and... Read more

Well done and rivhly deserved, brother.  That makes you a Fellow Squared.

Hi everyone, 

Thank you so much to the SDL members who attended the Summer 2023 Summit! We had an amazing time with you there. A big thanks as well to the attendees who shared 5-minute presentations during the summit.

Below are some of the slides for the presentations. Please note that we have permission from all of these... Read more

Dear All,

Greetings. On this Earth Day, I hope you're enjoying our planet's gifts and also giving your gift with reckless abandon.

As I take a short break to plan what I want to do next, this coming Friday, April 26, will be my last day at HKS. Maybe I will get a Hitchhiker's Guide to the Galaxy tattoo like Paula. 

I... Read more

Hi all,

I've tried a couple of different search terms for the forum but haven't been able to find any past conversations on electrochromic glazing yet (which makes me suspect I might be missing something...). We have a potential opportunity to use it in a vertical curtain wall application with a client that is very interested in the... Read more

Dear Gurus,

At Greenbuild this year I'll be discussing how statistics can lie (in the context of green building claims).  I'm collecting examples of this to prepare.  If any of you know of examples, please send them to me! 

Here are a few of the fun ways statistics might lie that I would be looking for: biased or too-small sample... Read more

All - 

We have corporate clients that are starting to request antimicrobials in response to Covid-19. I assume we are not the only ones seeing an increase in these requests. Knowing that the evidence supporting antimicrobials has limited to no efficacy, how are you approaching these conversations? We want to continue to advise based on... Read more

Remember 2013? LEED version 4 had just been released to the public. Hardly anyone was using it, though—not only because they didn’t have to, but also because there just wasn’t a pathway to achieve many of the new credits in the rating systems. Especially the product-related credits in the Materials & Resources category, along with the Low-... Read more

I am looking at having staff members take a materials course and deciding between Parsons Healthier Materials and AIA Materials Matter certificate programs. Does anyone have feedback on either? Bonus points if you know about both and can provide a direct comparison. Thanks!

Welcome to the quiz portion of Passive House on Campus: Eight Exemplary Projects​!

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


Explain the primary reasons that higher-education projects are pursuing Passive House certification, including its impact on the environment and occupant health... Read more