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

Imagine folks have seen this, but thought it was worth bringing up: this study which shows the great need to build new renewable infrastructure to support electrification.

I've been in a few discussions with folks where we've discussed how electrification is objectively a good goal, but are we passing carbon from one source to another?... Read more

As BuildingGreen’s Content & Data Wrangler, Fran is a spreadsheet and content-management wiz who:

Fran also compiles data submissions... Read more

I can hear Kjell saying "All models are wrong, but some are useful." Having said that we are having trouble getting usuable predictive energy use information from our electrical design engineer. They are telling us that their energy models are not for accurate pEUIs but just to compare various scenarios. Are they being lazy? Should we push for... Read more

Hi All,

USGBC MA is doing a study on the cost of net zero energy buildings in MA.  I’m wondering if you all have any data to share on plug loads in ZNE projects. I’m looking for single family res, 2-4 unit residential, +/- 60 unit residential, 10-12 story office, and k-12.  The engineers have presented initial results and their... Read more

I thought some folks here might be interested in a webinar we have coming up this Thursday 12/6 on the topic of best practices for occupant comfort surveys. Although this webinar is part of our Roast launch series, it will be tool agnostic, with information that will be applicable to any occupant survey regardless of tools used. 

To... Read more

Auto-quiz used for CEUs for attendees of the 2023 SDL Winter Summit.

Hi All, 

Not sure if this is the right location for this (as I'm a new member) but we're Planning the upcoming Water Conservation Showcase in Northern CA. Some details below

The Water Conservation Showcase brings together water, energy, and green building professionals to amplify and discuss innovative water management solutions... Read more

We recently received an email from two high school students in Indianapolis with some great questions about construction waste management. If you're interested in helping these budding SCLers with their research, let me know and I'll send you Gabriela's email address:

__________________________________________________________

... Read more

Welcome to the quiz portion of How to Make Integrated Project Delivery Work for Your Project.

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


1. State three problems that Integrated Project Delivery (IPD) promises to solve.
2. Dispel four misconceptions about IPD that have... Read more

Hi All,

Polling the group to see if anyone has experience with Simergy - an e+ based modeling tool?

The tool appears to have features and integration with a lot of e+ plugins that make it attractive - but i haven't heard of its widespread use.

Is anyone successfully using Simergy?

If your HVAC designers are addicted to the crack that is Trace 700, and knowing that Trane is giving up on that product in the coming year, what loads program are you weaning* them onto?

Asking for a friend:  Have any of you had success in using the Revit plug-in for loads?

*When told that they should use IESVE for loads, our HVAC... Read more

Mark your calendars Sustainable MEP Leaders!!
Here are the details to save the date for the 2020 MEP Summit:

Date: June 9th and 10th, 2020
Location: Stantec Office in Denver, CO
Schedule Outline: Tues. 9th beginning with Lunch at Noon, ending Wed. about 3pm

Gather and learn from your peers! Share your challenges... Read more

CEUs are available for reading all the building-envelope product guides and primer. Click here to learn more and take the quiz.

Wall assemblies are made up of a number of different materials and systems, and installing each of them requires considerable time and labor and can introduce errors that compromise the building’s weather... Read more

Do any of you have experience with Design For Freedom yet? It came to my attention and I'm trying to investigate. I would love to hear feedback and experiences that you may have at this point. It seems like an opportune moment for this issue of forced labor (yikes! so much I don't know...) to come to the forefront, and I'm curious to hear how... Read more

We have started a folder on Equity, Diversity, and Inclusion in this forum. When you upload a file to share (which you can ONLY do in the web browser, not directly through email), you get an option to choose a folder. If you have an EDI-related document to share, choose "Equity, Diversity, and Inclusion" as your folder. I'm saving the first... Read more