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.

He just posted the following on the Building Performance Knowledge Community forum:

Does anyone have a recommendation for software that is easy to use and relatively inexpensive for doing energy performance analysis at the schematic design (or before) phase?  We are looking for a tool that gives good quantitative comparisons for... Read more

I'm looking for products that have cradle to cradle documentation, as well as EPD's & HPD's and are red list free.  What are your go to websites when you're researching products?

Welcome to the quiz portion of What Makes a Product Green?.

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


1. List and describe at least three attributes that address each of the following categories: "efficient use of materials"; "responsible sourcing"; "energy and water... Read more

Most products sold as “ceramic tile” are fired at lower temperatures and are less durable.

For porcelain tile, BuildingGreen starts with the Green2 standard for sustainable tiling—ANSI A138.1 American National Standard Specifications for Sustainable Ceramic Tiles, Glass Tiles, and Tile Installation Materials. This is a multi-attribute... Read more

Team,

What are the M vs. E vs. P(FP) ratios of fee distribution you use in your company for a commercial office building?  How about a residential/hotel?

Best,

Luke Leung

Good morning. If you're worried  like I am by today's new IPCC Report and would like some helpful explanation I recommend reading climate scientist Zeke Hausfather's lengthy Twitter feed summarizing key aspects with graphics. It's here https://twitter.com/hausfath/status/1424642708291821569?s=21

of course we need to see this as an even... Read more

Dear Gurus,

At Greenbuild this year I'll be discussing how statistics can lie (in the context of green building claims).  I'm collecting examples of this to prepare.  If any of you know of examples, please send them to me! 

Here are a few of the fun ways statistics might lie that I would be looking for: biased or too-small sample... Read more

We're wrapping up a multi year project that went through multiple design changes, leaving us with a ton of material samples.  Does anyone know of a good place we could donate these samples to, to keep them out of the landfill.  I'm in the greater Seattle area.  Thank you for any suggestions.

Would anyone have an example LEED Homes v4 specification they would be willing to share?  We are working on our first LEED Homes project, a midrise low income housing development here in Houston.  We have a LEED Homes provider, but she will not provide the specifications, which seem to be quite different in requirements and submittals from our... Read more

...for all the folks on the west coast.

It’s smokey out there. For anyone looking for a cheap and relatively effective way to clean your indoor air, here is an article on a DIY box fan filters. 

https://www.texairfilters.com/a-variation-on-the-box-fan-with-merv-13-filter-air-cleaner/

This PSA is from our friends at NEEA (... Read more

Hello, 

I am struggling with understanding if I should be using Annual Marginal Emission Factors (MEF) or Annual Average Emission Factors (AEF) for evaluating different building design decisions.

Everything I know is from this document. So as I understand it ... an individual building or retrofit is going to change the marginal... Read more

Hi Friends, 

I'm working on an SOP for construction waste management for LBC core and LBC materials petal projects and wanted to get your input on the comingled facility requirements. According to the guidelines, any waste that goes to a comingled facility must be a facility that has an average diversion rate of 80% or higher as a... Read more

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

We had so much fun at our Contractor coffee talk that I reached out to our MEP friends to see if they would set up something similar.  And they have agreed to host a talk on Thursday December 2, at 1-2pm EST.  They will talk about decarbonizing buildings, on a schedule that keeps us under the 1.5° C limit and will also address strategies for... Read more