Please mark your calendars to join BuildingGreen and HKS for the 2018 Pre-Greenbuild SDL Show & Tell on Tuesday, Nov. 13th, 2018 from 7pm - 9:30pm at HKS, 125 S Clark Street, Chicago, IL

We will be sending out a registration link next week. Space is limited. 

Thanks to Rand Ekman and all those at HKS for opening their doors... Read more

The headlines are everywhere—from heat waves in Europe to wildfires in the Western U.S. to tropical cyclone flooding in Australia. In this age of climate change, just as there’s an urgent need to reduce carbon emissions and other greenhouse gasses, we also need to adapt and invest in resilience.

Increasingly, owners are asking for risk... Read more

Hi All, this is primarily directed at our Sustainable MEP folks, but please anyone with insight feel free to weigh in.

I am increasingly seeing designs and specifications asking for Passive House levels of airtightness as verified by blower door testing, but with traditional ventilation system designs. 

To me, Passive House US has... Read more

Hi SD Leaders: I wanted you to know about a terrific initiative that is part of the Project Drawdown effort called Project Drawdown Ecochallenge. The Project Drawdown EcoChallenge is a fun and social way to learn about and take action on the 100 most substantive solutions to global warming. 
Drawdown EcoChallenge provides tools and... Read more

Hello friends,

We are embarking on calculations to quantify avoided embodied carbon from converting an old school building into a multifamily project and I wanted to vet our methodology with you.

Our idea is to first establish a benchmark for a new replacement multifamily building based on published studies. We have found a few... Read more

Welcome to the Sages forum! Some of us have been hanging out together for ages, but others might be new to this group (if not to sustainable design/construction). So let’s start by introducing ourselves, with some highlights from our career and history with the Peer Networks, and why we’ve now joined this one.

My career history is pretty... Read more

Hi folks,

The team at DPR Construction has kindly agreed to host a reception and evening of presentations during the AIA Conference in San Francisco. If you'll be in the area, come join us Wednesday, June 7 from 6:00–8:30 for networking and fast-paced sharing of ideas.

The plan is to have a networking reception from 6:00-7:00,... Read more

Hi SD Leaders: I'm writing to get your help identifying any experts or projects where all-electric HVAC solutions are being implemented in a large new build healthcare/patient care setting. The client has raised concerns about the reliability of an electric re-heat system and its ability to promptly respond to temperature controls. They also... Read more

THIS WEBINAR PURCHASE AND REGISTRATION IS CLOSED.

Why high-performance assemblies? And why now? Today we demand better thermal performance from our building assemblies than ever. But higher performance... Read more

Hello SCL, I was asked by a friend at ILFI to share this invite specifically to the SCL group to join their Living Future 20 conference which is in a couple weeks and will be all online.  There is also an invite for a construction-only focused ILFI discussion May 14th in the message as well.  Hope everyone is doing alright out there.  Talk soon... Read more

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Welcome to the quiz portion of The BuildingGreen Guide to Insulation!

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


For anyone attending this year's APA conference in person in San Diego, please consider joining us for our divison's annual reception and Awards for Excellence in Sustainability. We will be joined by members of the City Management & Planning, New Urbanism divisions, and the National Capital Area Chapter. Here's a link to register for the... Read more

We are working on a Core & Shell project with a developer that we work with frequently. I'm looking for advice on best approaches to achieving the Whole Building Life Cycle Assessment credit- we haven't used TALLY and done this type of analysis before. What are some approaches to achieving this credit that others have found successful? I... Read more

Composite windows come in two basic types: fiberglass, and wood/plastic composite.

BuildingGreen-Approved Windows

Fiberglass and other composite window lines have NFRC unit U-factors of 0.20 or lower. Higher U-factors are allowed for products that include significant recycled content.

Manufacturers also must demonstrate... Read more

Hello everyone, Happy New Year! 

I wanted to send a quick note that we have an awesome group registered for the Sustainable Design Leaders Winter Summit 2020 and we still have a few open seats! This is taking place Jan. 29th - 31st, 2020 at The Lodge, Gulf Shores, AL with an exciting Pre-Summit Workshop happening that Wednesday. If you... Read more

Can anyone point me to a (dream?) resource listing effective R-values of various wall assemblies?  We are trying to find a cost-effective R-40 wall assembly for a one and two story public middle school targeting net zero energy in Oregon.  Referencing Seonhee's "thermal bridging" thread in late April, I used Therm's native drawing feature, but... Read more