"The man with one watch knows what time it is; the man with two is never sure."   --Segal's Law

We recently purchased two indoor air quality meters in the $200-$300 range and find that they never agree, not even close. I would like to find out what other people's experiences have been, and if they have tested affordable models that... Read more

Dear Colleagues,

The EPA has released a very impressive proposal for ENERGY STAR specs for residential water heaters that will strongly encourage electrification and decarbonization of these appliances. 

ENERGY STAR is a voluntary program for high performance appliances and this is a huge opportunity to begin the decarb transition... Read more

Welcome to the quiz portion of Doing Daylighting Right.

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


1. Explain occupants' needs and habits when it comes to daylighting.
2. Recognize at least three recent mistakes in daylighting design and their respective alternatives going... Read more

In a recent e-mail to BuildingGreen subscribers, Paula Melton pointed out that USGBC has opened the call for suggestions for LEED v5.

Every day, I encounter dripping skepticism from building owners about LEED for New Construction, because of the many many times that the fanciful outcomes of energy, water, and daylight models bear little ... Read more

Good Morning everyone.  i just wanted to send Congratulations out to the new class of fellows, with a shout out to Jonathan Weiss, Paul Hutton, and Ramana Koti.

Well done Gentleman!

I am the Moderator of the 2023 Strategic Council and the call for nominations for the 2024-2026 Strategic Council at-large representatives has just been released.  I would encourage any interested parties to apply for this position.

The Strategic Council’s purpose is to develop ideas to inform future needs and opportunities for the... Read more

Is your team ready to increase its sustainability knowledge? A team membership allows colleagues to work and learn collaboratively. We offer 10-person, 20-person, and 30-person team memberships. Make BuildingGreen your team's all-in-one... Read more

I have a client that is very interested in automated shades for a mid-rise multi-family housing project. Do you have any examples of projects that have attempted this? I assume it would involve occupancy sensors and/or an over-rideable default setting dependant on sun position and temperature. I also have an MEP Engineer team that is having a... Read more

Note: This webinar is complete and registration is closed.

Join us for a live sneak preview of our Top 10 Green Building Products for 2021. Our team has selected them from thousands on the market—this year with a focus on carbon and global warming. Products & Materials Specialist Brent Ehrlich will walk you through why we chose... Read more

Hi all!

I've heard several people talk about developing tools for assessing/codifying a client's values for a project as part of an integrated design process (ie. a set of questions, survey, etc.). Would anyone be willing to share?

(Z, are you listening? I specifically recall you mentioning a tool like this...)

Thanks!... Read more

Welcome to the quiz portion of Finding Products for LEED v4 and v4.1!

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


Following up on one of our conversations on the vision vacuum and sustainability beyond certifications, I would like to help facilitate an offline conversation with anyone working within their firm to use the AIA COTE measures as a guiding framework in their firms/projects. Attached are my slides on my first pass at thinking about this at Page... Read more

Hi folks,

Any of you who have completed WBLCA for projects - we are working on a new initiative with the City of Cambridge (building on our prior work NZ Climate Action Plan) but this time focused exclusively on embodied carbon.

We have not yet begun the work - but they have an opportunity to make a move on this on Tuesday and... Read more

Ventilation is essential for indoor air quality, but it can bring very hot or very cold outdoor air into conditioned space.

BuildingGreen-Approved ERVs

Heat-recovery ventilators (HRVs) and energy-recovery ventilators (ERVs) can save energy by capturing nearly all of the heat in the air being exchanged. BuildingGreen approves:... Read more

consider supporting Varun Kohli for AIA Board At-Large seat

If you are a voting delegate for the AIA, please consider casting a vote for my friend and COTE colleague, Varun Kohli, FAIA; he's running for the At-Large seat on the AIA national Board of Directors.

Varun is a former COTE Leadership Group member and he understands... Read more

Seeking a dashboard system that will take energy use data from individual (college student) apartments to display in the lobby. Something where the display is both educational, easy to understand, and that could inspire a little friendly competition. Welcome any recommendations you have installed on projects or have seen that would be cool to... Read more

I’m writing to see who would be interested in collaborating during the month of December on a position paper that would be given to the incoming Biden administration, outlining things that firms in our industries (i.e. architecture, engineering and construction) would be excited to see advanced as part of Biden’s Build-Back-Better (BBB) program... Read more