Columbia already offers access to free EV charging for our field employees. Of the few projects that have have opted in so far, we've had to custom design and intall EV charging setups. It's good that we're doing this, but it won't scale quickly enough and cost effectively.  I think a practical next step is working with trailer companies so... Read more

You know all those times when you want to reply privately to someone, but don't have their email address handy? What a pain, right? 

Not anymore! Now you can go to the "Group Members" tab on the BuildingGreen Communities forum page, and hover over anyone's name to see their email address. 

Only members of the forum can see your... Read more

Hi all - Can you help me with a list of states with pending electrification/fossil fuel free ordinances? I am providing some technical aasistance for an article that is going to press soon. The author has listed WA, CO, and MA but I'm unsure how far each of these go and if it's technically correct to call them electrification ordinances.

Hello all,

Could any of you point me out to recent studies showing the health impacts of plastic piping vs. copper piping? 

We have a project where NIRON or Aquatherm are proposed as a VE item in lieu of copper.  I know there is some studies showing PEX and PVC piping health impacts, but I can't seem to find anything on these 2... Read more

Hi Gurus!

I'm desperately seeking any case studies (past/currently on the boards) of labs that have been designed without natural gas infrastructure (the topic I have to debate is about commercial spec labs but any lab case study, wet or dry, is welcomed). This is for a development authority that will be setting guidelines for new... Read more

Hi,

I imagine you've already considered this, but I wanted to mention it before you cross the point of no return...

The name "BIT Building" has the potential to be misunderstood out of context because it sounds like it has something to do with Bitcoin.  I don't think this is a huge problem, but you may want to evaluate the risk... Read more

Hi gang,

Following up on the recent Air Quality Design Jam at the summit, I’d like to round up the folks interested in supporting an Air Quality Working Group.

Didn’t attend the summit? No worries – everyone is welcome! We had a good group the other week and several of us want to continue the conversation.

The design jam... Read more

I'm hoping someone knows the anser to this question. For the LEED ND certification the minimum requirement is "The LEED project should contain at least two habitable buildings and be no larger than 1500 acres." Does habitable mean buildings with dwelling units?

I wanted to alert you to this opportunity to help develop a new ASHRAE Standard. They are especially looking for people who have not served with ASHRAE previously (aka the usual suspects)

ASHRAE Standard 242P, Standard Method for Calculation of Building Operational Greenhouse Gas Emissions

1 Purpose: This standard provides a... Read more

Learning Objectives:

Explore the relationship between smart buildings and cybersecurity through their shared history.

Clarify the difference between OT and information technology (“IT”) cybersecurity including the protocols that drive OT cybersecurity programs.

Provide recent examples of critical attacks on building... Read more

Welcome to the quiz portion of Cost-Effective Green Retrofits: Opportunities for Savings in Existing Buildings.

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


1. Define the term retrocommissioning and list at least three examples of how it might help commercial building owners.... Read more

Welcome to the quiz portion of How to Build Green At No Added Cost

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


1. Know how to make a value proposition for green buildings.
2. Explain how shrinking a green building and investing in its envelope can reduce first costs of its... Read more

Hello Sustainability Leaders,

Great to see some of you at Greenbuild last week.  Thanks to all who responded to Nadav’s post-election blues post.  Lots of helpful insights and sentiments that left me very grateful to be part of this community.  On a related note, since the election I’ve been asked by people in our office and in life if... Read more

Ali Flynn and Alejandra Arce Gomez are planning a breakout meeting for the Waste Managment Group for all interested. 

Please fill out the doodle poll below so that we can find a good time:

https://doodle.com/poll/qxd4zxrw9xzrxwc6

Ali and Alejandra have drafted an updated version of the Commitment for Waste (attached) after... Read more

An elevator system can account for 4%–10% of a building's electric energy load, without considering impacts on heating and cooling. Conventional finishes are also common.

BuildingGreen-Approved Systems

We approve the most efficient tension elevators from leading manufacturers, including models that incorporate:

Hello, what acceptable levels of air quality are you using to evaluate natural ventilation strategies for your projects?  In our Living Building we only open windows when PM10, PM2.5, etc. are within LBC and WELL limits.  In a seasonally smoggy urban environment, this limits how often we can utilize natural ventilation even if the outside... Read more