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

Some of us SDLers saw a need to create an online repository for the best simulation graphics and created IBPSA Project Stasio over the last couple of years. Along side graphics is a list of simulation questions (in progress) that we as architects may not know we could ask. The graphics are linked to answer the questions so our simulation... Read more

Hi everyone,

I am writing to let you know about a change we are making here at BuildingGreen. We will be changing the name of this all-Peer Networks forum “Green Gurus” to “Green Commons.” 

We’ve made this decision after learning that using the term “guru” outside of its cultural context is appropriative. In an effort to center... Read more

We are looking into different building skin materials from including GFRC and FRP (amongst others) as alternatives to precast. I remember years ago (when I was at LAS) we had retrofitted a Federal Courthouse with FRP for blast resistance. I kind of remember that at the time it had some pretty high offgassing concerns. I haven't been able to... Read more

For those who work for companies that track and offset their carbon each year, how do you do it? Looking for best practices and how you vetted where to send your money. Don't need insight on quantifying carbon footprint, just offsetting.  Thanks!

Welcome to the quiz portion of The Death and Rebirth of DC Power. 

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


Explain when and how to integrate DC power into buildings, and the benefits of doing so.

Understand the history and background of AC and DC power in the U.S.

... Read more

Hi all - I wanted to see if anyone will be in the Chicago area for the upcoming ASHRAE conference (21-23rd) and is interested in an informal meet-up? Or if you aren't going but are already in the Chicago area? Let me know and I'll see if we can organize meet-up!

Air movement keeps occupants comfortable when it's warm, so cooling setpoints can be higher, and natural ventilation is a viable option even at higher temps and humidity.

BuildingGreen-Approved Ceiling Fans

BuildingGreen approves Energy Star-certified ceiling fans with ECMs—motors using electronic commutators.

Energy and... Read more

Friends, 

Might anyone be aware of research studies on the beneficial mental health effects of green buildings that you could point me to?

Thanks in advance. 

Hi all,

We've had a number of clients in the states surrounding Texas that have been hit with really high natural gas bills for February. Some as high as $2.00+/therm. Many are healthcare facilities.  Has anyone seen any federal, state, or utility relief programs that are assisting customers with these bills?

Thanks, 

Adam... Read more

I'm curious if anyone can share their strategy on indoor air quality for the return to office. Is this something that is prioritized at your firm from a wellbeing standpoint and with the current health crisis at hand? Lendlease is looking into options to safeguard our employees/occupants as we move back into the workplace and I'm researching... Read more

We have a client for whom we are designing a very high performance manufacturing facility, and they want to communicate their building's performance both dynamically and in real-time within their lobby for guests and staff.

We would like to mine the wisdom of this group to see what recommendations we can muster regarding high quality... Read more

We broke up into 5 discussion groups by market sector:

Here are the proposed "guiding questions":

Greetings Gurus!
Please sign up and spread the word (even if you can't attend, sign up to get follow up info!)

This is one of a series of Hackathons to crowdsource alternative design details that are intentionally meant for disassembly! The outputs are meant for public consumption so that anyone who doesn't have time (that's... Read more