Composite windows come in two basic types: fiberglass, and wood/plastic composite.

BuildingGreen-Approved Windows

Fiberglass and other composite window lines have NFRC unit U-factors of 0.20 or lower. Higher U-factors are allowed for products that include significant recycled content.

Manufacturers also must demonstrate... Read more

THIS WEBINAR PURCHASE AND REGISTRATION IS CLOSED.

WHEN: Monday November 19, 2:00 - 3:00 PM Eastern Time
COST: $30 for BuildingGreen Premium members, $65 for non-members Thermal Comfort – Connecting physics, people, and performance

Thermal comfort is a science of both physics and people, always a tough... Read more

Hello Green Gurus,

Here’s a reminder that our first Show & Tell for 2021 is happening next week! Monday, February 1st from 7-8pm ET and Tuesday, February 2nd from 4-5pm ET, come see your peers from all networks present for five minutes each on a variety of topics relating to their work.

This event is connected with the Summit-... Read more

I am looking for a Mechanical Engineering firm in New York state who works in mid-sized commercial (ideally hospitality or multifamily experience) and who has experience with geothermal GSHP systems.

Following my retirement from BuildingGreen, I’m also looking to retire from the nonprofit Resilient Design Institute, which I’ve been leading since 2012. My default plan is to sunset the organization in the fall of 2024, but I wanted to offer the idea of someone (or multiple people) taking over the organization.

RDI is incorporated as a... Read more

We've gotten some requests recently, so it must be time to update our salary survey. For those didn't participate in the past, we last did one in 2015, and collected some really interesting data about compensation for SDLeaders.

Our first step in getting this started is to recruit a few volunteers who are interested enough in the data we... Read more

We are looking into organics collection service in our corporate office in NYC. Is anyone else in this group composting at their corporate offices? I'm hoping to build a business case, so I'd like to highlight other firms in this group who are actively managing this process.

Hi Everyone! 

I am building our internal/firm resources around sustainable design, and creating our post-occupancy evaluations is one of those resources. Does anyone have references or resources they'd recommend me to look into for post-occupancy evaluations? So far I am considering a few evalutation types: building user input, building... Read more

I'm in search of anyone who's done a LEED ACP Pilot Credit. It's unclear to me whether using one of these pathways replaces the way the base prereq or credit would function in the rating system being used by a project seeking certification or if it's a strategy to achieve Innovation in Design credits only. The documentation I've been able to... Read more

Welcome to the quiz portion of The BuildingGreen Guide to Insulation!

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


1. Discuss how insulation works to increase the energy efficiency and environmental sustainability of buildings;  2. Explain why certain materials make more sense than others in... Read more

Another Break-out by Firm Size.

Guiding Questions:

SDL Best Practices by Firm Size

What's working and what's not? How are others integrating successes?

What strategies are effective in each of these areas: ongoing education, research, knowledge sharing?

How can we structure our green team across... Read more

Thank you BuildingGreen for yesterday's fun news and much needed chuckles.  I really appreciated the GOOP article the most! I mean, dare I say, a kegel powered elevator - absolutely brilliant!

If you have not seen the April Fool's edition, take a look at the talent and time that was put into these stories.

https://www.... Read more

Hi Sustainability Leaders,

(Note: this post was edited to correct Jen's affiliation and to add Rob Winstead.) Please join me and the BuildingGreen team in congratulating the Peer Network members of the USGBC 2023 Class of LEED Fellows!

Geoffrey Brock, IPS-Integrated Project Services, SCL

Heather DeGrella, Opsis... Read more

For those of you who are close to CLT and mass timber, has the jump in US wood price also impacted the pricing of CLT on your projects, or viability of CLT compared to the cost of steel or concrete frame buildings?  

If anyone has price data comparing CLT today to pre-Covid pricing or any metric that would describe the percentage change... Read more