Hello,

This is not my area of expertise but our contactor has suggested central heat pump hot water (CHPHW) is $1m more expensive than gas fired domestic hot water for a 150 unit multi-family residential building in Massachusetts. The Building Decarbonization Practice Guide is extremely helpful but, from their comments, it is all coming... Read more

Poppy Gasbag

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!

I am working with a state agency who is interested in exploring performance contracting (primarily energy focus, but not necessarily limited to...) and it's been a while since I had heard of others implementing this (GSA, some universities).

Do any of you out there know of current/recent owners executing performance... Read more

Congratulations on the site launch!  One problem, though... you appear to have overlooked the home page orientation video. Currently there's just a placeholder image that doesn't actually do anything. Did your team end up producing a BIT User video?

Facilitating Engagement and Collaboration in Virtual Meetings (or, Avoiding a Goat Rodeo with Many Awkward Silences*)

If you weren't already sitting in virtual meetings every day... We all are now. So how do we facilitate an online meeting in which everyone is focused, engaged, heard, collaborating and problem-solving in an efficient,... Read more

As I prepare to search for summer interns, I'm wondering what colleges and universities have programs for sustainability in the built environment. Are there any that you all know of? I am trying to find alternatives to the traditional architecture programs that we track. Thanks

Hi,

I believe a while back there was communication about a hard hat recycling program. Does anyone have any information about a hard hat recycling program? The contractors in the midwest have finally switched to the new style of hard hats with the chin strap and are requiring all subcontactors to comply by July 1, 2024. I'd like to... Read more

Hello SCL, 

If you didn't attend last week's SCL Summit, then I'll sum up one of the major takeaways: SCL members NEED TO COMMENT ON LEEDV5. The stakes are high, particularly around waste. 

Luckily, Amanda Kaminsky is making it easy for us. She has drafted a sample comment based on our discussion at the Summit. 

If you have... Read more

There seems to be a slight glitch in that it was posting Seonhee's picture (love Snoopy!) for the post that Duane sent in - is that correctable?

**Just noticed that you can click on the "Edit" tab on the post and correct (e.g. mis-spelled names (Sorry, Seonhee!).**

Concrete and other cementitious materials have both environmental advantages and disadvantages. As builders and designers, should we be looking for alternatives or embracing concrete over competing materials?

This special report takes a look at how these materials are made, presents the key environmental considerations relating to their... 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-Approved Glazing Systems

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

Received answers from below questions from NIST Andy Persily

1. Is there a preferred bookends range of CO2 for both “optimal” energy and human performances?

Andy: No

2.Is the ASHRAE ventilation of 1000-1200 ppm average, probably not based on performance, suggesting current ventilation rate is sub-optimal with cognitive... Read more

Hello Green Gurus!

Here is a [LINK] to an updated version of the letter, including all the signatories we had as of last Friday - thank you all!

This message is really geared for your firm's social media/communications team, so if you aren’t that person, please share this message with them! With that said, all of you (whether your... Read more

Big news! It’s being announced today that the amazing Lindsay Baker will be ILFI’s new CEO—she’s starting the job next week.

Lindsay is talking about bringing a new focus on advocacy work to ILFI—she had been working on setting up a new organization for that purpose when ILFI recruited her. And she’ll have her hands full figuring out... Read more

I am excited to announce that BuildingTransparency.org just launched downloadable specs and associated guidance that a couple of us have been working on for a few months.  Here is the EC3 announement:

Today we are happy to announce that downloadable project specification language has been added to the plan and to the "Resources/Documents"... Read more

Hello Sustainable MEP Leaders!

BuildingGreen is already hard at work planning next year's MEP Summit. We are looking at venues in Denver, CO and dates in late May or early June.

In order to book a venue, we need to nail down dates soon. Please fill out this Doodle poll to let us know which of these would work for you. All of the... Read more