Split systems are multi-component units that use an outdoor condenser along with separate indoor fan coils to move refrigerant—and provide heating and cooling—in buildings without the need for ducts.

BuildingGreen-Approved Systems

BuildingGreen approves mini-splits that are tested to AHRI standards and have minimum SEER and an... Read more

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

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

Hello Gurus!

The City of Cambridge is expanding on its 2015 NZ Climate Action plan to focus on embodied carbon.

If any of you have experience conducting LCA/WBLCA (whether you are an architect, engineer or consultant) your input is invaluable. The City is looking for feedback so that they can shape the program, as it evolves, to... Read more

Hi everyone,

Remember the thread on here from last fall that “broke the internet?” We have some progress to share and a chance for members to re-engage. A core team has been meeting to compare project process diagrams and challenges. They will share examples from their firms, along with learnings and best practices, on Wednesday, March 6... Read more

Welcome to the quiz portion of Net-Zero Energy Isn’t the Real Goal: 8 Reasons Why!

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


Hi Sustainability leaders,

Realizing that many of us are now stuck and home and may be feeling isolated, we thought it would be fun to offer an open hang-out time for anyone in the Peer Networks. If you'd like to connect, share some thoughts, hear from others, or just get to know other Green Gurus, join us on Zoom this Thursday. If it... Read more

Hi Folks,

I mentor startups in the clean tech space and there are a number of cool new things coming to market. I am looking to gather names of interested people who want to get the opportunity to take a look at these cool new things and give some feedback and even - if stars align - pilot and test some of these new technologies (given... Read more

Entegrity is advertising for two positions for Certification experts, one in Little Rock, AR and the other remote. If you know anyone looking for a change send them my way.

https://entegritypartners.com/careers/

As part of my goal to increase staff education frequency, I'd like to introduce some training and certificate programs into the mix. I wonder what programs others have recommended to staff? Not just attending conferences (low accountability) or CEUs, but things like the Parsons Healthy Materials Certificate, or Phius/PHN passive house... Read more

Does anyone have a spreadsheet or chart that compares the new Fitwel v2.1 with Fitwel v2.0 ?

I can't seem to find such a thing on the Fitwel website.

I am trying to determine which version-route to take on our "Workplace" project.

Or do you have experience in this that you can relay?

Thanks.

Hi All,

After this long winter, who is up for some fierce creativity and friendly competition in your own offices or between your companies?  What do you think of a location agnostic, virtual, Sustainability Scavenger Hunt from Earth Day to Mother's (earth) Day?

We've done the hard work for you. Join in on the fun and save your... Read more

Hi:

I encourage you to review and sign this letter. 

Notes from BDC follow:

Really appreciate the outpouring of support we've received so far on this letter! Various groups let us know that they would like additional time to review, so we've decided to extend the deadline from June 23 to Thursday, July 14 at 2pm.

As... Read more

Welcome to the quiz portion of Improving Resilience!

IMPORTANT: This quiz covers five related articles within this topic. 

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


This is deep nerdy stuff, so don't say you haven't been warned.  ASHRAE has opened the first public review to its net zero standard (228).  Here's the blurb:

Standard Method for Evaluating Zero Net Energy and Zero Net Carbon Building Performance ASHRAE Standard 228-202x sets requirements for evaluating whether a building or group of... Read more