Wood was the first material used in window frame and sash construction, and it remains popular for homes with its warm feel and relatively high energy efficiency.

BuildingGreen-Approved Windows

Wood windows must achieve an NFRC-certified unit U-factor of 0.22 or lower. Manufacturers also must demonstrate that their highest-... Read more

Hi all,

I'm trying to figure out how to use this CLF MEP calculator tool that is downloadable from the CLF website. Please see screenshot attached - does anybody know what they are asking for as an input?

"Custom quantities input: The user can enter custom quantities on this tab and produce numerical results. For data input fill '... Read more

Hi all,

We've had a number of clients in the states surrounding Texas that have been hit with really high natural gas bills for February. Some as high as $2.00+/therm. Many are healthcare facilities.  Has anyone seen any federal, state, or utility relief programs that are assisting customers with these bills?

Thanks, 

Adam... Read more

Rise above the competition in sustainability, and meet your colleagues where they are.

Our affordable firm-wide pricing offers resources that your whole firm can take advantage of, with trusted, ad-free... Read more

Hello All,

ASHRAE and ICC released a draft standard for operational and embodied GHG evaluation.  It's on a fast track to be completed in time for the next code cycle.  This 30 day advisory draft includes dozens of questions looking for feedback from experts like all of you.  Please take a look and provide comments.  I've uploaded the... Read more

Dear SD Leaders: I'm writing to make sure that you've seen a letter that has been circulating protesting the ‘pro-asbestos’ rule change the EPA is considering.  The letter is soliciting firm signatures/owners (as opposed to individuals).  I encourage you to sign and/or get your firm to sign ASAP. 

Please forward as well to any firm from... Read more

Anyone has experience with WELL pilot for restaurant? I have new client, restaurateur who's running farm to table concept restaurants in DC, VA, MD area, looking to fit out one of our core & shell.. Also, any other recognized programs or certifications specific to restaurants, I would appreciate any information and resources. Their spaces... Read more

Hello everyone,

Over the past couple of years the Climate Smart Wood Group has met monthly to discuss all things related to the use of timber in building design and construction.  From forestry practices, to supply chain and sourcing information, to design experiences and examples, the group has operated as an open forum for advancing... Read more

Everyone agreed during last Friday's meeting that we want to call the site BITuser. The question, however, is what domain name should be used.

Whatever domain name is chosen, it will redirect to the actual site URL -- https://bituser.buildinggreen.com (similar to how LEEDuser.com redirects to https://leeduser.buildinggreen.com).

... Read more

Hi All,

I try to respect this forum and limit sharing events to the ones that are extra exciting and this is one of them. Coming up on May 20th 4-6pm,  Built Environment Plus (formerly USGBC MA) is launching our Building Tech Forum v2.0 Series.  Here's the link to register: https://builtenvironmentplus.org/building-tech-forum-2020/

Not a green design question but a green firm design question... Finalizing the renewal of our Just certification, we're taking a fresh look at all our benefits & policies. We have already reviewed industry-wide survey data (AIA and PSMJ) but are interested in how the firms we admire (i.e., *you*) are approaching benefits in the transformed... Read more

Welcome to the quiz portion of Deep Material Vetting (That Won't Chew Through Your Design Budget).

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


1. Align product vetting with goals that aim to mitigate occupant exposure and environmental toxicity.
2. Foster partnerships with... Read more

This summit was pre-approved for 10 AIA HSW LUs and 10 GBCI CE hours.

Please complete the survey question 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 the organization. Please first check your profile to be sure your... Read more

Hi SD Leaders! 

I'm Nadav, president at BuildingGreen and facilitator of the Sustainability peer networks. I'm really excited to finally have this network for champions from smaller firms up and running! 

I do a lot of workshop facilitation, design process support, and consulting and training related to sustainable products. I... Read more

Does anyone know of a source for finding the operational solid waste generated by typical building/use types (weight/sf)? I couldn't find anything on LEED, True, or EPA. I found this table but isn't by sq ft for many of hte uses. Waste Generated by Industry and Building Type (wastecare.com)

Hello friends,

Here’s another upcoming event that BuildingGreen has been hiding up our sleeve: a San Francisco Bay Area Mini-Summit! A summary is below, see the registration page for more details or to sign up. This event is intended for SF locals, so folks who work farther afield can join, with the knowledge that Bay Area-specific... Read more