Hi there colleagues!

Out of curiosity, do you plan on attending Greenbuild in person in San Diego in September? My staff asked me if we were going and my answer is partially contingent on the extent to which attending would mean getting to see some of our favorite people (read: all of you). Looking forward to taking the temperature of... Read more

We have an MEP engineer that is calculating peak loads at about 6 times passive house levels on a large commercial building that is at or near passive house levels of insulation and air infiltration. We suspect one reason is that he is figuring a 50% efficiency level for the ERV. We are showing him ERV systems with 80-90% efficiency, but they... Read more

How much will it cost to achieve LEED v4 certification?

“We’d love a green building, but can we afford it?”

“We’re required to be LEED Silver, but we’re not sure how to get there under the new rating system.”

“Sure, we’re interested in LEED, as long as it doesn’t cost extra.”

LEED v4 and cost uncertainty

With... Read more

Are there any metrics for % increase for building PH vs conventional?  These questions are always really hard- especially when there are none to compare to in area.

We had these conversations grouped by size of firm. 

Guiding Questions:

Knowledge Management By Firm Size

How to give people the info they need, when they need it?

Is the COTE Top Ten a good framework?

This seems extremely daunting in a large firm. How do we manage content that is produced and shared... Read more

I was wondering if any of you have experience with integrated PVs and/or solar glass. If so, can you could recommend manufactures for each? We are working on a multistory freestanding building in an urban site for a mid-Atlantic city. Because our site and roof area are limited we are looking to maximized the areas where we can generate power.... Read more

Are your clients asking you about wellness? You’re not alone. Healthy interiors and wellbeing are the trending buzzwords of sustainable design. Lighting design for circadian rhythm and water filtration methods might be on the... Read more

Hi everyone! Our sister company, Flatiron, is a heavy civil/infrastructure contractor based out of Broomfield, CO. Their sustainability team is on the hunt for a Circular Economy Manager. Our companies recently announced exciting public ESG and climate commitments, including several related to waste reduction, life cycle assessments, and more... Read more

Hi all,

We have a newly constructed, core/shell project having some hot water issues in the core restrooms.

There is a 0.35 Toto lav installed throughout. The hot water heaters are adjacent on each floor, located in the janitor closets. We did the math, and there could be a gallon of water standing and cooling in the pipe between... Read more

If anyone else has gotten confused going between parts-per-million and percentages (parts per hundred!) for material reporting here's a little infographic that might help. Feel free to use or improve! 

Hello SDL!

Has anyone set "Ecosystem Benefits/Service" targets for an individual project or for all their projects? I was previously against the idea of even measuring ecosystem benefits but I've had my mind changed in recent months!

Currently we want to set a target for every project to: "Improve ecosystem benefits on every site... Read more

Glazing connects occupants to the outdoors, but with so many opportunities for air leakage, poor insulation, and thermal bridging, glazing is the primary weak link in building energy performance.

BuildingGreen approves glazing that offers strong energy performance properties for a variety of... Read more

Huge congratulations to everyone involved with a Top Ten winner this year! 

In a rare feat--Leddy Maytum Stacy got two!

Also P+W, Lake|Flato with Cooper Cary, WRNS, SOM, Olsen Kundig, KieranTimberlake, DLR--nice work! (And who is Studio27?)

Here's James Wilson's take on what's special about each winning project.

... Read more

Hi Everyone!  About ten days ago, Megan Zack posted a note announcing her new role as Chief Sustainability Officer at Wight & Company. (Yay!)  I'm so delighted that she will be stepping into this leadership role at Wight to shepard the firm in the next chapter of their journey in sustainability. 

I wanted to take a moment to say... Read more

Hello, All,

Does anyone have experience with cove.tool (https://covetool.com/)?  Perhaps for those projects that may not get fully modeled, or as a tool to help set baselines?  It came across our radar recently, and I'm wondering if the subscription might be worth a try.

Thanks! 

Maria