Championing the
Changemakers

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:

It was great to see everyone who was able to join in the peer networks webinar and to be able to share a brief update on what the Defining and Measuring Resilient Outcomes working group has accomplished over the last year... and what we are looking forward to tackling in the coming year. 

I've both attached a copy of the deck here and... Read more

Good Morning;

I wanted to share a resource that everybody might not be aware of - HomeFree by the Healthy Building Network which can be found here:  https://homefree.healthybuilding.net/products

Most of us know that HBN exists, but i think many folks just think HBN = Pharos, which is an extensive database behind a paywall that can... Read more

As we begin to look into Scope 3 emissions reduction strategies, it's important to understand ways to reduce tranportation emissions to project sites. Is anyone aware of best practices or programs for contractor carpooling to jobsites? I know many of my colleagues travel to work together in one vehicle because of parking limitations, however,... Read more

Anyone know what stages does CARE include? Does it include B1-5, C1-4 or D?

Thank you!

Hi Gurus!

I'm desperately seeking any case studies (past/currently on the boards) of labs that have been designed without natural gas infrastructure (the topic I have to debate is about commercial spec labs but any lab case study, wet or dry, is welcomed). This is for a development authority that will be setting guidelines for new... Read more

Apologize in advance if this has been posted before but we are trying to get manufacturers of stage curtains to give documentation that proves that the product does not have halogenated fire retardants. Manufacturers say they don't have them or concentrations are limited to 100ppm but they don't seem to have documentation to provide for it.... Read more

I'm hoping someone knows the anser to this question. For the LEED ND certification the minimum requirement is "The LEED project should contain at least two habitable buildings and be no larger than 1500 acres." Does habitable mean buildings with dwelling units?

I took a first pass at content for the Energy Audit best practice, see the uploaded file. 

Hi gang,

Following up on the recent Air Quality Design Jam at the summit, I’d like to round up the folks interested in supporting an Air Quality Working Group.

Didn’t attend the summit? No worries – everyone is welcome! We had a good group the other week and several of us want to continue the conversation.

The design jam... Read more

Hello Sustainable MEP Leaders!

Over the weekend BuildingGreen received an inquiry about connecting with this peer network regarding a project. Please review David Cohan's email below to see if it is something of interest for this group.

We would invite you to reach out directly to David Cohan and let us here at BuildingGreen know... Read more

Hi all,

We are about to start a affordable housing passive house project in Boston and in a few presentations I've seen great signs that builders use to try to get the point across to subs as to how important air sealing is. Some are even quite funny! The builder we are working with does not have a sign like this, but is open to ideas.... Read more

Welcome to the quiz portion of Toxic Chemicals in Buildings: How to Find and Avoid the Worst Offenders (recorded webcast).

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


1. Explain how key health hazards and opportunities for healthier choices vary by product category.
2. List... Read more

Are you getting questions, advice, and dubious sales pitches from all comers about how to design and run an HVAC system to combat infectious disease? You’re not alone. Engineers, facility managers, architects, and other building professionals are all... Read more

I just saw this post from Conor on LinkedIn.

Starting in January 2019, all new Columbia Construction Company projects require LED temp lighting.

Are others doing this too? Frankly, given all the benefits and how quickly the industry is matured, it's hard for me to understand why anyone would use anything other than LEDs on a job.... 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

Hey there, SMEPLs:

Just a reminder that we are on the menu for the next in the Green Gurus Coffee Talk series. 

Please use this link to register

All the SMEPLs are invited to join in the conversation where we talk about things that rumble, squeal, gurgle and spark to our peers in the Design, Construction and Advisory peer... Read more