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

I'm sure if I hop in the way back machine I could look in the forums and find old threads on LEED GA and LEED AP study resources, but I also know that material comes in and out of date. Has anyone found a good, current solution for firmwide LEED study materials?

We used to have some GBES resources, but those are intended to be person-... Read more

I really appreciated our day on Tuesday--seems that we had a great inaugural Summit, and covered a lot of important ground. 

Here are the raw notes (flip-chart pages) from the day. Some of us came away with Action Items--see the list on the last page. 

Five-minute presentation decks and a more polished report to follow shortly. We... Read more

In this live webinar on the sustainability of wood construction, we tap the expertise of leaders in the field and look into three main issues:

Great meeting everyone and very excited to work with you all.  Reminder about Tuesday night's homework assignment to support Sachin's efforts to upgrade the quality of our AE pipeline:  tell us why you got into this business.

While I was an undergraduate engineering physics major*, I had a partime job at a farm implement manufacturing... 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

Welcome to the quiz portion of Is Wood Construction Green? A Look at the Issues.

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


1.  Determine what distinguishes wood products sourced from Forest Stewardship Council-certified forests, and why these products improve the environmental impact of... Read more

I am very interested to understand the deployment of LED temp jobsite lighting on a national level.  I think this all goes back to the low emitting jobsite.

1. Does your firm utilize temp jobsite lighting on your projects?  

2. Is this every project or a percentage of projects?

3. In your state or area is it prevalent, one... Read more

Hi folks,

With all the build-up to Greenbuild (don't miss the Tuesday Show-and-Tell if you'll be in town!), I nearly forgot about another opportunity, coming up sooner! A bunch of us will be in Cleveland in early November for the first Building Resilience conference that BuildingGreen is helping to organize with ILFI and the Resilient... Read more

Welcome to the quiz portion of Solar Thermal Hot Water, Heating, and Cooling.

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


1. Explain active and passive; direct and indirect; and low-, medium-, and high-temperature solar thermal systems.
2. Distinguish between the three most... Read more

Hello Sustainable Design Leaders,

I am thrilled to be joining such an esteemed collective of driven thinkers and doers. I look forward to meeting some new faces and reconnecting with some familiar ones in an effort to advance sustainable design in the built environment.

Thanks,

Jonce

Hey Peer Network! Curious, if we can crowd-source a solution here for the pervious pavers at our Omaha office (climate zone 5A). Apparently over the years we've tried to add different kinds of fill here (gravel) but it keeps... disappearing. Any recommendations with either a replacement product or fill item? 

Dear Esteemed colleagues: I was recently asked a good question in light of the impending (fingers crossed) passage of the reconciliation bill that will bring alot of funding to energy efficiency/decarbonization upgrades at the residential scale. The question is: What are the arguments/ scenarios about the importance for homeowners to contract... 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

Hi all,

Just a reminder that the last day to RSVP for the Living Future 2023 Peer Networks Meetup is tomrorow, April 26th! There are still some spaces left, with 34 people currently signed up. Please RSVP here if you'll be attending.

When: Wednesday May 3, 2023, 7:30-9pm ET

Where: SmithGroup, 1700 New York Avenue, NW, Suite... Read more