Hello - I wanted to see if others have been having any of the same Windows security issues with a host of public software (Radiance, Window, DAYSIM, Open Studio) that we regularly use for performance analysis.

My IT team has let me know that they see serious security conflicts with THERM, as well as lot of the LBNL software (Radiance,... Read more

Folks, it is with a heavy heart that I write this: Lance Hosey passed away unexpectedly on Friday. 

Many of you know him from the early days of the SDL group, or as an outsized presence at any of the many conferences where we overlap. He's been a list-maker, poll-taker and all around troublemaker in my life for over 20 years; I know I am... Read more

The Water Sub-Group met today. This group is working on three items: 

1. Project Water Plan Template

2. Project Water Tracking Form Template

3. Research and Resources Document

The Meeting minutes are attached. The next meeting is 5/19/20 @ 2:30 PM CST, via webex and teleconference.  Please contact me if you would... Read more

Hi SDLs,

Do you have design experience or a unique perspective on trying to include ungendered multiuser restrooms in AEC projects? We want to hear from you.

To prepare for a co-creative workshop as a part of the Environmental Design Research Association's 53rd Annual Conference, "Health in All Places," B. Sanborn, Nicole DeNamur... Read more

HI Green Gurus. Great news for those who signed the petition to WHO last summer, and even those who didn't. The World Health Organization’s (WHO) released on March 1, 2021 a Roadmap to improve and ensure good indoor ventilation in the context of COVID-19. This document provides practical advice on how to mitigate COVID-19 through airborne... Read more

Hans “Grumpy” Grimm

Welcome to the quiz portion of Driving to Green Buildings: The Transportation Energy Intensity of Buildings​​!

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


Define “transportation energy intensity” as it relates to buildings and understand its impacts on the environment, human health, and... Read more

Hi Fellow SDLers: I'm sure you're like me and thrilled at the news of the Senate's passage of the historic climate bill yesterday. And also are likely on pins and needles until it's passed the House and signed into law. What a conclusion of a terrible roller-coaster ride that is our Congressional system.

I'm writing to pass along a... Read more

General FAQs

Orders, Memberships and Billing

Technical... Read more

Hi, we need 3-4 folks to volunteer to join us to work out a draft Materials section for the Contractors Commitment.  Meeting set for 6/16 @ 2 PM CST.

Please message me at pslloyd@leopardo.com if interested in participating.  I will forward out the meeting invite. If the time doesn't work, but you want to participate, I will share info in... Read more

Hey All!

One of the initiatives from our first meeting in Chicago was to gather and develop resources related to plug and process loads in buildings which will help us all with: energy modeling, equipment sizing and power distribution.  We had our first call this morning and are rolling.  Aspirations are that this could turn into a... Read more

Welcome to the quiz portion of Measuring Energy Use in Buildings: Do Our Metrics Really Add Up?.

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


1. Explain the differences between site energy, source energy, and energy cost.
2. Summarize three ways in which source energy can... Read more

So I was testing assigning a BIT Expert to a Best Practice and I am having trouble getting the profile image to appear.  

When I upload a profile picture, it appears on the standard profile page from "My Account" but when I navigate to the BIT Best Practice 01, the image does not show and it takes me to another profile page that does... Read more

Hey there, Tally users.  I'm looking for some answers to a few basic questions about using Tally:

is anyone aware of some guidance about citation protocols for when a person/team/org uses an AI tool to generate some base components for a report (which is then heavily edited by humans)?

I'm inclined to disclose in detail which tools were used and how ... but would love to know if there are some industry protocols shaping up about this... Read more

Guiding questions: