Championing the
Changemakers

"The man with one watch knows what time it is; the man with two is never sure."   --Segal's Law

We recently purchased two indoor air quality meters in the $200-$300 range and find that they never agree, not even close. I would like to find out what other people's experiences have been, and if they have tested affordable models that... 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

Good morning all,

I'm new to the forum and I am really happy to be here. For the last year or so, I have been working to advance high performance design at Flad, grappling with so many of the issues discussed in this forum. Especially in the context of recent times, it feels really wonderful to join a group of people dedicated to helping... Read more

Hi SDL: today is the last day to cast your vote in the voting for Greenbuild by 5PM ET.  

please vote for the terrific program put together on PV23 "The Tools You Need to Design for Climate Emergency Action" with me, Betsy and Beth Heider that will bring together a collection of tools, including brand new ones from Saskia, using the Top... 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

from the Tortured by Randomness Department:

Y'all ... I was recently reminded (by Bill Reed) about a lovely quote ... and I'm keen to use it in a talk upcoming ... 

Here it is:
Place is a doorway into caring. Love of place unleashes the personal and political will needed to make profound change. It can also unite people... Read more

Hi Green Gurus,

We're off to a great start with First Friday Fikas* this year. We've had good turnout and lots of fun. This new tradition continues this Friday at 11:00 am Eastern Time (8:00 am Pacific). We have more fun planned, with prompts to help us get to know each other.

If you registered previously you can use that same... Read more

Hi all: I'm looking for experience, insight, or advice as it relates to ISO 14001. I know it is more popular internationally than in the US, and I am trying to ascertain if the the value-add is greater than the cost and effort. If your company is certified, or even if you have looked into it in any capacity, I would love to pick your brain.... Read more

I’m a volunteer member of the ASHRAE 209 ("Energy Simulation Aided Design for Buildings Except Low-Rise Residential Buildings”) Committee.  Are you familiar with ASHRAE 209? It was first published in 2018, and it outlines a process for incorporating energy modeling into the design process. 

From the forward: 

 ASHRAE Standard 209... Read more

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Welcome to the quiz portion of In-House Daylight Modeling.

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


1. Explain general daylighting theory and design.
2. Simulate towards better daylighting design.
3. Demonstrate how daylight modeling is used in practice.
4.... Read more

Amal June Polt

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

Jenny/Dan:

What types of content do anticipate having in the Documentation Toolkit tab? Here's an example of what we have on LEEDuser:

https://leeduser.buildinggreen.com/credit/EBOM-2009/SSc5#tab-docs (login required)

The layout is a little complicated on LEEDuser, since we had to work with a lot of legacy content, but... Read more

The COTE Toolkit just launched on AIA.org's site, please go and check it out and share with your networks. The project spanned over the last year+ with over 40 authors, subject matter experts, and reviewers contributing to the process, (including many Green Gurus!)

With the goal of closing the information gap to designing high... Read more