Has anyone used a commercial heat pump water heater for a large protect?  I have found a few manufacturers for this technology, but want to make sure this is a viable and cost approach to electrical eliminate gas on a path to all electric.

Checking in to see if any of you have had good job site success with plastic water bottle recycling. Due to the LBC recycling requirements, we have to source separate onsite, and we're trying to has a separate plastics bin. For the most part, water bottles is going to be on of our biggest contributors.

Welcome to the quiz portion of Better Choices in Low-Slope Roofing.

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


1. Explain life-cycle impacts, health and environmental hazards, and durability of low-slope roofing options.
2. Classify situations for which reflective roofing... Read more

Looking for an example or case study for a building utilizing a radiant heating/cooling in climate zone 4a. General use type is office with some public assembly spaces, total of 85,000 sf.

As usual, everyone, especially mechanical engineer, is terrified by the thought of "condensation." So far, I read a DGWW case study, "Energy... Read more

Hello,

This is not my area of expertise but our contactor has suggested central heat pump hot water (CHPHW) is $1m more expensive than gas fired domestic hot water for a 150 unit multi-family residential building in Massachusetts. The Building Decarbonization Practice Guide is extremely helpful but, from their comments, it is all coming... Read more

Facilitating Engagement and Collaboration in Virtual Meetings (or, Avoiding a Goat Rodeo with Many Awkward Silences*)

If you weren't already sitting in virtual meetings every day... We all are now. So how do we facilitate an online meeting in which everyone is focused, engaged, heard, collaborating and problem-solving in an efficient,... Read more

Hi Everyone!

Does anyone have a good resource for whole-building embodied carbon benchmarks broken down by building use and building category (structure, foundation, envelope, interior)?

I know of CLF’s 2017 Benchmark Study (great resource!) and the One-Click LCA study on European Buildings but are there any others?  I know many... Read more

Water and electrical metering and submetering equipment provide valuable diagnostic information and verification of building energy and water usage.

Measuring Water Use

The Alliance for Water Efficiency recommends metering all new connections, retrofitting meters onto existing unmetered connections, and submetering all new... Read more

My name is Douglas Flandro. I am the sustainable design leader at CambridgeSeven in Cambridge, MA. I started my career in film and theater design. I moved into museum exhibit design with a graduate degree in interior architecture at the Rhode Island School of Design in 2003. I still design museum exhibits for science museums, nature visitor... Read more

Hello everyone,

We are far too often asked to include parking in our buildings (because why shouldn't the average family have 2.1 kids, .8 pets, and 3 cars) and it always grates on me that we are putting so many resources (natural and monetary) into something that is almost certainly single use and will need to be demolished in 30 years... Read more

Hello SCLers, 

We have heard from many of you who are in the midst of budgeting for conferences and travel for 2024. Although we aren’t quite ready to open registration for our 2024 events, we hope providing some details will help you reserve funds to join us. 

Next year, we are planning two in-person events open to SCL:

... Read more

Hi SMEP Leaders,

Our next monthly call is Tuesday, June 13 at 2:00 pm Eastern.

We've had a great series of conversations over the past year kicked off by short presentations from you all: interesting projects, confounding questions, emerging technologies and design strategies. It would be great to line up some more of those for... Read more

Hello Green Gurus!

Here is a [LINK] to an updated version of the letter, including all the signatories we had as of last Friday - thank you all!

This message is really geared for your firm's social media/communications team, so if you aren’t that person, please share this message with them! With that said, all of you (whether your... Read more

Hey group,

I'm part of the contractor team on a large commercial project pursuing LBC v3.1 Petal Certification, with one of those petals being materials. This requires the team to meet Imperative 10 Red List.

The ownership group has taken the responsibility of red list vetting as a task of their own. The construction team is to... Read more