Ground- and water-source heat pumps move refrigerant or water through the ground or a body of water for use as a heat source (for indoor heating) or heat sink (for indoor cooling).

BuildingGreen-Approved Heat Pumps

BuildingGreen approves:

Hello Green Gurus,

Here is the information for our second Peer Networks Webinar this month, coming up next week: Better Products = Better Buildings (Low Carbon Specs). We hope you can join us!

Register HERE.

Better Products = Better Buildings (Low Carbon Specs)
Thursday, May 19, 2022
1 - 2pm ET (10 - 11am PT)... Read more

We are looking into different building skin materials from including GFRC and FRP (amongst others) as alternatives to precast. I remember years ago (when I was at LAS) we had retrofitted a Federal Courthouse with FRP for blast resistance. I kind of remember that at the time it had some pretty high offgassing concerns. I haven't been able to... Read more

THIS WEBINAR PURCHASE AND REGISTRATION IS CLOSED.

The new “Contractor’s Commitment to Sustainable Building Practices" calls on firms to practice green building on the jobsite and beyond. But what has really been accomplished during the program's... Read more

There is a ton of stuff being posted about this, so this is definitely an area where it's nice to have had someone going through it and selecting the best. Thanks for doing that, Jen!

- These tips from 350.org have a great focus on connecting people and using different techniques. Their sample retreat shows how some of it might look in... Read more

Hello fellow SD leaders,

This is a quick note to re-introduce myself to this group. I am a lapsed member from the original tribe of 2008 who has found my way back on a trail of bread crumbs left by Nadav (thanks Nadav!). I'm just glad to be back amongst my people, sharing and learning from you all, as we help each other to get where we... Read more

Hi All,

How are folks funding training for your employees? Would it help to have free training opportunities besides lunch and learns or ones you do yourself?

For those of you outside of Massachusetts you may have employees or friends in MA that this could be relevant to.  I'm hoping my friends in MA have already heard this.

Hello fellow sustainable design leaders! I am about to kick off an intensive effort here at EHDD to refine our internal standards for materials. We will be considering both GWP as well as the health of materials (avoiding harmful chemicals). In addition to setting the standards, I will be working to develop a process to vet materials before... Read more

Hello everyone - 

I'm writing today to let you all know that as of this month, I am retiring from SERA, and that I'm going to be beginning a new journey as a consultant/volunteer!

I'm going to continue dedicating my time to policy and advocacy work (focused on decarbonizing the built environment) but now I'll be doing it as a free... 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

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Folks, it is with a heavy heart that I write this: Lance Hosey passed away unexpectedly on Friday. 

Many of you know him from the early days of the SDL group, or as an outsized presence at any of the many conferences where we overlap. He's been a list-maker, poll-taker and all around troublemaker in my life for over 20 years; I know I am... Read more

Hi folks,

It was fun going back over all the great conversations we had and pulling them together in this report. Please feel free to share it with anyone--no constraints on that!

Also, we'll have a webinar next Friday based on this report-- March 8 at 2pm eastern:

I'll show the report and share key takeaways from the 12th... Read more

Hello -

We're hiring two interns this summer. One position is in Urban Design & Planning, the other is an architectural position split roughly equally between our Housing Studio and our Sustainability Resources Group. If you know of potential candidates who might be interested, please forward this link. http://www.seradesign.com/... Read more

Board insulation has good thermal performance ranging from about R-4 to R-8 and is used as an integral part of a building envelope’s continuous insulation system.

Because board insulation is used on the building exterior, it is not always subject to the same material health and emissions requirements as batt insulation used inside the... Read more