Ground- and water-source heat pumps move refrigerant or water through the ground or a body of water for use as a heat source (for indoor heating) or heat sink (for indoor cooling).

BuildingGreen-Approved Heat Pumps

BuildingGreen approves:

If you have been wondering about the Contractor Commitment, we have an update for you!

Several weeks ago, the subgroup leaders and the Steering Committee members gathered to agree on a basic structure for the Commitment. The idea was to align the basic expectations around issues like how many tiers there would be, what would be disclosed... Read more

ASHRAE posted this year's list of honors and right there at the top of the list is our SMEPL colleague, Cindy Cogil - now able to add FASHRAE to her signature block!  Well done, Cindy and congratulations to ASHRAE for recognizing your accomplishments.

I'm hoping for some help answering the question of whether buildings/communities should pursue net-zero energy on site versus investing in new renewable energy (i.e. through the electric utility) that can be built at a more efficient scale elsewhere in the state. Our utility is asking us this question as we are working through how to get the... Read more

Hi All - I have a 3 bdroom close walking distance to Greenbuild venue - but I don't need it.

Last call before I cancel it - if anyone wants it - I can transfer!

Just shoot me an email directly to bb@sustainable-performance.org

Thanks and see you there!

Jake Gehrung
 

Hello Green Gurus,

Here’s one more exclusive webinar for you! Coming up next week:

Behind the Scenes: COTE Top Ten 2021
Tuesday, May 4th, 2021
2pm - 3pm ET (11am - 12pm PT)

Register here.

Description:
Eight of this year’s Top Ten winners are from firms in this network. We also have a member on the... Read more

Hi SDL Group - 

Our firm has been presented with a potential opportunity to share with USGBC National Representatives details about a few of our voiced concerns in the context of specific project administration efforts.

For us, these relate to two specific factors:

Welcome to the quiz portion of Toxic Chemicals in Buildings: How to Find and Avoid the Worst Offenders (recorded webcast).

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


1. Explain how key health hazards and opportunities for healthier choices vary by product category.
2. List... Read more

Welcome to the quiz portion of Existing Buildings Are Architecture’s Future!

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


Please use this thread for you're actions / ideas for creating more sustainable job site construction office trailers.

I know that Pepper Construction led the way with a Net Zero Construction Jobsite Trailer. (Thanks Susan Heinking!)  Is this a one off?  Any lessons learned? Any one else pursing this?  Is pepper the first and only doing... Read more

Curious if folks know of any resources on hempcrete, specific to durability.  We have a one-story carbon-neutral operational energy project where the design team and client have bought into the aesthetics and carbon-sequestering potential of hempcrete, and amazingly it is looking to be no more expensive than a more typical concrete wall... Read more

What sorts of boilerplate and legalese will we need on the BIT User site? For example:

I'm not saying you need any or all of those, but I'm just giving a heads-up in case you need to check with your legal advisor.

I can link to those documents from the site footer.

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

Does anyone here have a draft spec for low embodied carbon concrete they could share? I see the GSA has a standards sheet with MGWP limits, but we are hoping to actually specify the mix for upcoming projects.

Huge shout out to Patty Lloyd, Luke Leung, Janet Olsen, and Sarah Gudeman for their webinar on the Power of Peer Networks. They share lots of insights into the value of participating in BG Peer Networks and many others. Ten bucks to Illinois Green gets you access to the recording--I loved it. What would you have said that they didn't?

Products & Materials Specialist and LEED AP BD+C Brent Ehrlich excels at deep, unbiased, and nuanced technical research on the health and environmental impacts of green building products and materials. Some areas of focus include:

product and material constituents, including their risks

product certifications

... Read more