The BS* + Beer Show: Building Diagnostics: What Should We Be Measuring, and How Should It Be Measured? 

This episode of the BS* + Beer show features Kohta Ueno, Ben Bogie, and Doug Horgan talking about building sensors and data logging. They address the question: What Should We Be Measuring, and How Should It Be Measured? 

Kohta delivers a rapid-fire explanation of how he monitors projects and conducts experiments, asking questions such as: What do I want to know? How does my assembly compare to others? Is the building’s orientation optimal? What are the key places to measure? How long will I have access to the building to monitor it? How can I vary the conditions to maximize the data set? When does high moisture content matter? He names a number of the instruments he uses, and advocates for redundancy—the more sensors, the better.

There’s talk of monitoring temperature, humidity, moisture, air leakage, and CO2 levels; heat flux sensors, Onset HOBO loggers, and Omnisense monitors; wired versus wireless setups; and zonal pressure diagnostics.

Ben offers this bit of advice: “Be as discreet as possible with the sensors’ placement to limit the disturbance in the wall assembly.” He also recommends monitoring buildings during all construction phases in order to collect real-time data, which he is doing on a current project. He demonstrates how the software he uses works, and what kind of information can be gleaned from it. 

Doug encourages us to get cold, hard data on the HVAC system, outdoor conditions, and spaces outside “the problem area.” He says how you present the data to clients matters, and quotes the engineer W. Edwards Deming as saying, “Without data, you are just another person with an opinion.” And there’s plenty more where that came from . . .

To see Kohta’s presentation, go to https://www.buildingscience.com/past-events, and click on “Other Events.”

Enjoy the show!

[VIDEO]

Join us on Thursday, March 18, from 6 to 7:30 p.m. EST when we will discuss “Aesthetics vs. Performance” with architects James Hartford, Meri Tepper, and Bob Swinburne. Design goals can be at odds with building performance objectives. We will learn about instances when this happens, and how such scenarios might be handled to satisfy a project’s aesthetic criteria, while optimizing the envelope for longevity and energy efficiency.

Guest bios

James Hartford is creative/technical partner at River Architects, where he contributes his building envelope expertise and leads the sustainable design process for each of the firm’s projects. He is currently working on several Passive House projects that range from single-family retrofits, to multi-unit urban row house retrofits, to an organic hard cider mill in the Catskills. James is the founder and the past President of Passive House Alliance US- Hudson Valley Chapter. In that capacity James has brought Certified Passive House Builder instruction to Newburgh, NY, and Certified Passive House Consultant training to Schenectady, NY with significant funding from NYSERDA. These programs were the first of their kind in Upstate NY. 

Meri Tepper is a licensed architect who received her Master of Architecture at the University of the Virginia. She performed postgraduate studies in Copenhagen and lead study tours through Scandinavia and Europe. Meri started her career at Ryall Porter Sheridan Architects in New York City designing highly custom modern homes. She was certified as a Passive House Designer, and that training in this building standard continues to influence her design approach. Meri currently lives with her family in Madison, WI where she operates her architecture practice and is the Director of Design at the Design-Build company, Associated Housewrights.

Robert Swinburne was a mediocre student in high school. Bob’s grades were fine and he was a band geek but he was too busy reading, drawing, and building things to bother studying. During the summer in Harrison, Maine, he worked for one of those people who could do anything. Bob didn’t learn to do everything but he learned a lot. After a few false starts at college, Bob found architecture school and it was good—time-consuming and expensive, but good. After graduation, Bob headed for the hills of Vermont, worked for several architectural firms and spent six years as a carpenter before becoming a licensed architect and starting his firm, Bluetime Collaborative. Bob lives in Halifax, Vermont, in a little house with a big barn, lots of woods, a wife, two kids, and assorted animals. He takes off into the woods every day with the K-9 patrol. Lots of people think Bob is a pretty good architect.

Use this link to register for The BS* + Beer Show  

BS* + Beer Book Club

Because the hosts of the BS* + Beer Show all love to read, we thought we would celebrate the authors in our industry by adding a book club to the show every few months. We’ll announce the book, give you a few months to get it and read it, and conclude with a BS* + Beer Show episode where we will invite the author to join us, present, and take questions.

Essential Building Science book cover

We have selected our third book: Essential Building Science: Understanding Energy and Moisture in High Performance House Design by Jacob Deva Racusin. New Society Publishers has generously extended a 25% discount for this book and others in their Essential Building Science series (paperback or ebook). Use the discount code Essential25 now through March 31.

We hope you will pick up a copy and join the discussion on April 1, 2021.

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Kiley Jacques is senior editor at Green Building Advisor. She can be reached at [email protected].

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