Welcome to the quiz portion of The Hidden Science of High-Performance Building Assemblies.

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


1. Define hygrothermal pressure and explain what it requires of water, air, and thermal barriers in high-performance assemblies.
2. Explain... Read more

Help regarding below...

OSHA, see below link, suggests 6' social distancing for unvaccinated or at-risk workers.

https://www.osha.gov/coronavirus/safework#role-employers-workers

Is your office going to maintain 6' social distancing for your workers?   Is the reason above because there are unvaccinated or at-risk workers?... Read more

Hi folks,

On behalf of ILFI, I'm sharing a notice that the early registration deadline for the Living Product Expo in Pittsburgh is tomorrow! This is a great event for anyone interested in a deep dive into materials transparency, hazard avoidance, low-carbon products, overall innovation, and the Living Product Challenge. There will also... Read more

Hi all,

BG WebDev needs to clarify the Forum comment moderation rules you would like us to put in place.  We do not require moderation for premium users in our LEEDuser forum unless they include a link in their submitted topic or comment. In this case, we hold the publication of the comment in moderation until we can make sure the link... 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 -

Hi folks -

I was contacted last week by the producer of the documentary that launches this Thursday, 12/10 - he is hoping to generate interest among folks across the environmental spectrum (which of course includes all of us!) so I am sharing his pitch below with you all. The subject of water scarcity and drought is only going to... Read more

Hello all,

Does anyone know of any Rebate Program for either induction cooking equipment or kitchen electrification (new or existing)? Looking for any local or state or even federal programs (outside of California) that incentivize designing/building/retrofitting towards an all electric kitchen for any program type (institutional, single... Read more

I've been seeing Armstrong's DC flexzone ceiling system at Greenbuild for many years. I'm working on a net zero project with LED lights and solar panels. In theory, the transmission losses in going from DC power from panels to AC for the building to DC for the lights would be eliminated. But does anyone actually have experience using this... Read more

I think it now qualifies as a tradition! We've arranged a room where we can gather for an hour and check in during the Thursday afternoon reception time at Living Future. If you'll be there, come join us!

Thursday, May 2 at 5:30, Skykomish Room (#604, 6th floor)

We'll be mostly Sustainable Design Leaders, as that's by far our... Read more

Hi all,

We are designing a mass timber building and are closing in on selecting our mass timber supplier.  One supplier is offering FSC wood and the other is offering PEFC.  I don't know enough about PEFC to make a clear recommendation to the client about how it compares to FSC.  I understand that PEFC endorsed SFI, so that concerns me... Read more

Though BuildingGreen has long supported the use of electric hand dryers as a more environmentally friendly hand drying option, the majority of evidence appears to support paper towels as a preferred method of controlling the spread of potential pathogens. 

And even the most efficient hand dryers contribute significant CO2 to the... Read more

Hi folks,

We had a rich conversation in our monthly meeting last week. I've summarized the highlights below. Next call is July 11 at 2pm eastern. If it isn't already in your calendar, here's the Zoom link.

What’s on people’s minds?

Looking into high-temp water-source heat pumps for industrial applications. Transom and... Read more

I'm hoping that some of you know someone with strong energy modeling skills who is looking for a job!  Moseley Architects is recruiting for a full time energy modeler (ideally either in our Richmond, VA or Raleigh NC office) to help us continue to press forward with understanding and reducing the energy impacts of our designs.  The job... Read more

Hi all, 

Following the SCL Summit back in November, the Waste Subgroup agreed to complete a Model Waste Management Plan to serve as a contractor commitment to reduce construction waste. I distributed the attached (very rough) draft back in Jan., and received some good feedback via forum comments. 

We would like to set up a call to... Read more