Exterior doors often have poor insulation and seals that allow air through.

BuildingGreen-Approved Exterior Doors

BuildingGreen has different criteria for commercial and residential exterior doors.

Commercial swing (hinged) doors must be NFRC-rated, certified, and labeled for U-factor. They have a maximum air leakage of 0.... Read more

Opal Mao Mannella-Durante

Hello Everyone,

Here is the information and invitation to complete the SCL Demographics Survey! If you have multiple company colleagues on this forum (you can check in the group list here click "Group members" tab), please coordinate to have only one of you submit survey responses.

If you would you like to gather your answers... Read more

I'm writing an article surveying and comparing various embodied carbon tools, including whole-building LCA tools. I'm looking for interviewees who have used at least TWO of the three major LCA tools currently in use in North America (Tally, Athena IE, and One Click LCA). If you've tried all three, all the better! If you or someone in your firm... Read more

Hi Green Gurus,

A "fun" take-away from the sustainable MEP Leaders Summit (just ended today):

Inspired by Passive House, we are embarking on a campaign: "Low Load Buildings Are SEXY".

One idea we have is:  what if the AIA design awards set limits on metrics like heating loads to meet basic eligibility?

If you have... Read more

We apologize, but the heating fuel cost calculator is no longer on the BuildingGreen website.

Take a look at Efficiency Maine's heating fuel cost calculator instead.

THIS WEBINAR PURCHASE AND REGISTRATION IS CLOSED.

Glazing is by far the most complex single component of our enclosures and it must be climate-tuned to boot. Getting the amount, the location, and the performance attributes of glazing is key to... Read more

Hello All, I've a quick question. I am looking for a few potential subject expert speakers on the topic of the Circular Economy. Any suggestions out there? 

All thoughts are appreciated.

Rand Ekman

Welcome to the quiz portion of Passive House on Campus: Eight Exemplary Projects​!

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


Explain the primary reasons that higher-education projects are pursuing Passive House certification, including its impact on the environment and occupant health... Read more

Hello,

As with most people I feel some what helpless about what the next 4 years will bring. Heather Clark, Senior Director for Building Sector Climate Policy at The White House thinks that a big bill will be presented in the new year and one of the small items in there will be the axing of the Inflation Reduction Act. What she made... Read more

On LEEDuser we divide checklists into multiple project phases. Specifically:

How many of these phases are relevant for BIT best practices?

Note that we also... Read more

Hey Team,

Has anyone had experience either taking or delivering a Carbon Cure CEU that ISN'T from Carbon Cure? We have a project for which Carbon Cure is a really good option to reduce embodied carbon, but the client has now started having second thoughts and we're looking to get them a CEU on it that isn't from Carbon Cure directly so... Read more

Hello everyone! I’m happy to be re-joining the group after a two year hiatus.

Pre-pandemic I got to participate in a few winter summits when I was Sustainability Director at Overland Partners in San Antonio. I’ve recently joined Mahlum Architects in Portland and I’m excited to re-engage in the conversation, this time from the West Coast... Read more

Healthcare Design, one of the most respected and widely recognized trade journals in the health care AEC space has released the names of its 2022 HCD 10 winners.  The mission of The HCD 10 is to recognize and celebrate the broad spectrum of outstanding professionals in that industry and the influence they have on healthcare design.

One... Read more

Welcome to the quiz portion of Eight Tips for Passing the LEED v4 AP BD+C Exam.

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


1. List important tables and calculations from the reference guide.
2. Explain what's pertinent about credit options and documentation.
3. Detail... Read more

Has anyone come across any (embodied) carbon emissions calculator for water?  Perhaps per region/state?  

Thanks in advance!

Hi folks,

BSR/ASHRAE/ICC Standard 240P, Quantification of Life Cycle Greenhouse Gas Emissions in Buildings, is out for Public Review until March 18. It covers what construction activities have to be tracked and reported and provides placeholder values to use during design. If you have input or suggestions on what would be needed to make... Read more