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

Wondering if anyone has a slide presentation on the Framework for Design Excellence that they would be willing to share (to present to students). Rather than defining my request as lazy I'd like to offer up the qualification of efficiency.  

We have a client thats going through a TI remodel in a building thats a LEED Core+Shell certified building. One of the questions we are trying to figure out is are there things we need to be doing to not imperil the building's certification. 

I think the answer is that the landlord had to write tenant guidelines at the time of... Read more

I see Kjell Anderson, Mary Ann Lazarus and Daniel Overbey as the Green Gurus on this list - if i missed anybody apologies.

Congrats all around folks!

https://www.usgbc.org/articles/gbci-announces-2018-leed-fellows 

Hi folks,

Here's the next Peer Networks private webinar. As usual, it will be recorded and shared in the network if you can't make it in person:

Thursday, July 18, 2pm EDT (11am PDT)

The Center for Active Design (CfAD), operator of the Fitwel Certification System, recently launched Fitwel v2.1, which advances a vision where... Read more

Mark your calendars! Wednesday March 9th, 3-4pm ET (12-1pm PT) - Sustainability Leaders State of the Regions.

We’ve seen a lot of momentum building around the potential for regional Sustainability Leaders groups, and we want to learn how best to support this activity. On this call, we’ll have a few currently active regional groups share... Read more

All--

I haven't been part of this group in a while, but I'm excited to have rejoined recently. Some of you know that I joined HMC last year as Chief Impact Officer. I oversee design, sustainability, research, and communications for the firm, which has 300 people in 6 offices in California. We were founded in 1940 with a mission to serve... Read more

Are your firms discussing the health effects of silica dust on people working with engineered stone and the recent announcement of the upcoming ban in Australia, as of July 2024?

https://www.dezeen.com/2023/12/14/australia-bans-engineered-stone-silico...

According to the article, a recent report says that there is no safe level of... Read more

I can hear Kjell saying "All models are wrong, but some are useful." Having said that we are having trouble getting usuable predictive energy use information from our electrical design engineer. They are telling us that their energy models are not for accurate pEUIs but just to compare various scenarios. Are they being lazy? Should we push for... Read more

Hello everyone,

Here's a reminder that our next monthly call will be taking place next Tuesday, October 8th at 2:00pm EST.

Please feel free to join us!

Join Zoom Meeting - I double-checked this link and it is correct!

https://zoom.us/j/248664490

One tap mobile
+16699006833,,248664490# US (San Jose)... Read more

Imagine folks have seen this, but thought it was worth bringing up: this study which shows the great need to build new renewable infrastructure to support electrification.

I've been in a few discussions with folks where we've discussed how electrification is objectively a good goal, but are we passing carbon from one source to another?... Read more

My colleague, Kira Gould, from the AIA National COTE communications committee, has a great question I am reposting here...

AIA National COTE: In the early 00s, COTE supported an initiative through which we created a Guide to the Green RFP and collected sample RFP language. That now dated guide is no longer findable in our resources and... Read more

Welcome to the quiz portion of Go with the Flows: The Promise and Peril of Hygrothermal Modeling

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


1. Describe the true role of hygrothermal modeling in design.
2. Name four instances in which to consider using hygrothermal modeling... Read more

This webcast was pre-approved for 1 AIA LU|HSW and 1 GBCI CE hour.

Please complete the survey questions to confirm your attendance and receive your CEUs.

By providing your credential numbers in your profile, you will enable us to automatically report these CEUs to these organizations. Please check your profile to be sure your... Read more