For those of you working in jurisdictions with both prescriptive and performance-based commercial energy code pathways, roughly what percentage of your projects are using the performance pathway? How do your project teams decide which pathway to follow?

In Minnesota we are seeing very few projects pursuing the performance pathway,... Read more

Anyone know what stages does CARE include? Does it include B1-5, C1-4 or D?

Thank you!

EDITED LINK

Hello, below is a link to our newly uploaded research report, Embodied Carbon in Commercial Furniture. This new research report introduces a case study and some new baselines for measuring the carbon footprint of commercial furniture, to add to a growing body of work on this topic among our peers:
Embodied Carbon in... Read more

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

Water and air that penetrate building assemblies can damage materials, cause energy loss, and lead to mold, mildew, or other problems. The products used to address these may contain materials that are... Read more

Columbia already offers access to free EV charging for our field employees. Of the few projects that have have opted in so far, we've had to custom design and intall EV charging setups. It's good that we're doing this, but it won't scale quickly enough and cost effectively.  I think a practical next step is working with trailer companies so... Read more

This might be going down a rabbit hole, but in moving to California this year I noticed that "zero net energy" (ZNE) is the standard term, whereas "net zero energy" (NZE) was more common back east. The DOE's 2015 definition (below) uses "zero energy building" (ZEB), which to me implies a building uses no energy at all.

Regional... Read more

I took a first pass at content for the Energy Audit best practice, see the uploaded file. 

Shamus Gumshoe

Hello All,

A group of us (three architects and a builder- sounds like there should be a joke here) were debating this and we  are stumped.

Application: Residential exterior trim.

50 year warrantied composite product of agricultural byproduct with PVC (EPD not published yet) vs 100 year (if primed on all sides and painted or... Read more

Apologize in advance if this has been posted before but we are trying to get manufacturers of stage curtains to give documentation that proves that the product does not have halogenated fire retardants. Manufacturers say they don't have them or concentrations are limited to 100ppm but they don't seem to have documentation to provide for it.... Read more

I just saw this post from Conor on LinkedIn.

Starting in January 2019, all new Columbia Construction Company projects require LED temp lighting.

Are others doing this too? Frankly, given all the benefits and how quickly the industry is matured, it's hard for me to understand why anyone would use anything other than LEDs on a job.... Read more

Hello,

We're trying to budget Fitwel Certification consulting fees for a non-profit client for whom we're designing an early childcare center in Louisville, KY. It would be for a single tenant new building Fitwel certification and include a Fitwel introduction workshop, working with design team, and coordinating/submitting documentation... Read more

Hi everyone,

Thanks so much again to everyone who attended the Spring 2024 SCL Summit. The report is now available and is a public document that can be shared.

Please feel free to email me with any questions. Enjoy!

Hi Green Gurus (esp. Sustainable MEP leaders...)

I'm looking for suggestions of contacts for MEP consultants, especially in the Chicagoland region, ideally with sustainability highly integrated into the work, specialization in geothermal systems, and indoor agriculture. (doesn't necessarily have to be all-in-one)

For context, we... Read more

Welcome to the quiz portion of Protect Your Spec: 14 Strategies. 

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


Identify ways to ensure continuity between the environmentally preferable materials in a project specification, and the less-than-ideal materials that end up used in the final... Read more

Does anyone have an experience on recycling/reusing architectural glazing? We have a sizable glazing replacement project, and I am realizing how difficult it is to find a way to prevent the glazing from going into the landfill. So far, I have reached out to Terrazzo (aggregate) manufacturers, Glass Recycling Coalition, Architectural Glass... Read more