Has anyone used a commercial heat pump water heater for a large protect?  I have found a few manufacturers for this technology, but want to make sure this is a viable and cost approach to electrical eliminate gas on a path to all electric.

Angela has been an integral part of the BuildingGreen team for fifteen years, serving in a variety of roles.

Her diverse career path has led her from union organizing, to cabinet-making and exhibit production for the Boston Children’s Museum and the Museum of Fine Arts, Boston, to teaching woodworking at Massachusetts College of Art. She... Read more

THIS WEBINAR PURCHASE AND REGISTRATION IS CLOSED.

The webinar occurred on Wednesday, February 23rd at 2:00 eastern.

USGBC and IWBI are beginning to see eye to eye across a range of focus areas. Knowing how to leverage each in a mutually beneficial way is the key to driving... Read more

Hello, Green Gurus!
It was lovely to see some familiar faces (and names) in this afternoon's webinar about Low Carbon Specs. A little personal info, but I have just recently returned from maternity leave, and plugging back in to this network of passionate sustainability professionals is one of the things that actually made me look forward... Read more

We have all these resources out here in the ether but it’s so hard to pull them into one spot! I was asked, last minute to join a client call today to help convince both the client (affordable housing developer) and the mechanical engineers to "stick with" a commitment to 100% electric design that was publicly stated when the competition was... Read more

Hi all,

I'm curious if anyone has insight as to the "New Federal Building Performance Standards" that were announced in May of 2021 and then referenced again when E.O. 14057 came out. The memorandum for heads of agencies that was sent out with E.O. 14057 said that the CEQ would issue these standards, but I can't find a commitment to when... Read more

Hello all, 

Wondering if anyone has experience with lead limits in electrical cable and wiring? 

LEED for Healthcare allows a limit of 300 ppm of lead in electrical wire and cabling - my search for compliant products has been all dead ends. (MRc PBT Source Reduction - lead, cadmium, and copper)

Acceptable regulations for... Read more

Under a high carbon scenario, most of North America will be 2 degrees C hotter by 2050. Meantime, we're designing buildings that will still be around in 2050, to codes that don't yet factor in chronic risks associated with climate change. I want to explain these risks to my colleagues; I'm hoping some of our green gurus can help answer the... Read more

The Sustainable Design Leaders network and Summit events started over 10 years ago, when a group of sustainable designers realized that the struggles they faced and the goals they strove toward were shared by many... Read more

On LEEDuser we divide checklists into multiple project phases. Specifically:

How many of these phases are relevant for BIT best practices?

Note that we also... Read more

How interested are you in a Sustainable MEP Leaders Summit this summer? 

Please respond to this poll ASAP, as we need to gauge interest before we finalize any details.

When: Wed. July 26 at noon to Thurs. July 27 at 1:30. 
Where: At a conference facility near Boston
Cost: $1200, which includes lodging, meals, and... Read more

Looking for an example or case study for a building utilizing a radiant heating/cooling in climate zone 4a. General use type is office with some public assembly spaces, total of 85,000 sf.

As usual, everyone, especially mechanical engineer, is terrified by the thought of "condensation." So far, I read a DGWW case study, "Energy... Read more

Gypsum is calcium sulfate dehydrate, which is mined or produced as a byproduct of flue gas desulphurization (FGD) from coal-fired power plants. FGD gypsum may contain trace contaminants from coal processing, but not enough to represent a hazard to users. Years ago, some imported products created indoor air quality problems that required... Read more

Hi All, I was initially reluctant to share this, but I've seen similar posts and I think it's in line with our mission and interests so I'll go ahead with it.

Tomorrow 12/9 at 1 PM EST I'm moderating a panel of industry leaders in public health (as it pertains to buildings), construction finance, and project development to review the... Read more

Welcome to the quiz portion of Three Imperatives to Create the Future of Green Building.

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


1. Explain why it's relevant to teach cross-disciplinary skills in the green building industry.
2. Detail the reasons for encouraging... Read more

The Water Sub-Group met today. This group is working on three items: 

1. Project Water Plan Template

2. Project Water Tracking Form Template

3. Research and Resources Document

The Meeting minutes are attached. The next meeting is 5/19/20 @ 2:30 PM CST, via webex and teleconference.  Please contact me if you would... Read more

Hello Green Gurus,

A close colleague of ours, Frances Yang of Arup, is distributing a survey developed in partnership with the Healthy Building Network (HBN).

The survey asks for which product categories you need more health information. Answers will help inform which product categories HBN next incorporates into its HomeFree and... Read more

Hi all, 

Internally in our organization, we seem to have plenty of horizontal (infrastructure) resiliency expertise, but I'm finding the vertical resources to be lacking. I'm hoping to build a collection of beginner- to intermediate-level resources to help guide practice/design standards for our reference. Any pointers on good info... Read more