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PODCAST

The Building Science Podcast

Positive Energy

The Building Science Podcast is a show hosted by MEP engineering firm Positive Energy principal Kristof Irwin. The show covers everything from the basics of building science to adjacent scientific disciplines to more fully understand how the built environment shapes our lives as human beings on planet earth.

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All Episodes

01:09:06

Keep It Dry !

The Building Science Podcast ·

2021/11/04

Do we really need dehumidifiers when we’ve got VRF units? How do dehumidifiers work? Why do we need dehumidifiers now when we’ve never had them before? These are valid questions that deserve scientific answers and we’re here to dig in. Join Kristof as he interviews David Treleven and Nikki Krueger of Madison Industries (makers of dehumidifiers, ERVs, and many other innovative indoor air quality products). TeamHosted by Kristof IrwinEdited and Produced by M. Walker

en-US

00:53:20

PFAS In Building Products

The Building Science Podcast ·

2021/11/04

One of the most uncomfortable topics for anybody to wade through is the nearly ubiquitous and constant exposures to hazardous chemicals and compounds which we all encounter in daily products. The construction industry is no different - many building products are chock full of chemicals that are known health hazards to humans. As the body of scientific knowledge about these chemicals and their health impacts grows, it’s important that professionals and consumers have a sufficient understanding of

en-US

00:59:07

Zen & The Art of Continuous IAQ Monitoring

The Building Science Podcast ·

2021/06/23

The world of indoor air quality monitoring can feel like the Wild West and it’s high time we sort it out. Join Kristof as he interviews Stanton Wong, President of RESET Standard, about the landscape of sensor technology, accuracy, data reliability, how SARS2 moves around public spaces, and a range of other indoor air quality topics. You may be surprised by how deep this field of applied science can go.TeamHosted by Kristof IrwinEdited and Produced by M. Walker

en-US

01:22:19

To Grow A Home, To Grow A Future

The Building Science Podcast ·

2021/05/03

Industrial hemp is poised to proliferate across many verticals in the construction materials marketplace. It’s a raw material with an unfortunately politicized history and so many potential applications it’ll make your head spin. Join Kristof and Miguel in conversation with Mattie Mead and Henry Valles as we explore the many intersections of industrial hemp and the built environment. TeamHosted by Kristof IrwinEdited and Produced by M. Walker

en-US

01:11:27

One Wheel Down and The Axle Dragging: The Texas Grid...

The Building Science Podcast ·

2021/03/10

Valentines Day 2021 began a hellacious week for Texans as not one, but multiple critical infrastructure grids failed amidst prolonged record low temps. Join Kristof as he interviews Dr. Joshua Rhodes and Dr. Charles Upshaw, of IdeaSmiths (and of Positive Energy if you don't mind the bragging). In this episode we discuss what happened in Texas, separating myth from fact and understanding the role of buildings in the equation.TeamHosted by Kristof IrwinEdited and Produced by M. Walker

en-US

01:09:40

Indoor Data Quality

The Building Science Podcast ·

2021/02/01

We’ve talked a lot about indoor environmental quality on this show, but what how do we measure that and how do we know that our measurements were consistent and accurate? Turns out, data quality in the built world can be quite opaque and challenging to reign in. But there’s hope. Join Kristof as he interviews Anjanette Green, Director of standards at RESET about the nature of data quality in the built world and how it impacts the daily lives of practitioners and occupants across the planet.

en-US

00:58:30

What Would This Old House Say?

The Building Science Podcast ·

2020/11/20

This Old House has been the gateway experience for countless numbers of building science enthusiasts and we’d wager many of you listeners have intersected with the show at some point in your life and career. Media, whether television or podcasting, is about so much more than sharing information - it’s about telling stories. And the important stories are the ones that change paradigms and facilitate progress in the world. Join Kristof as he interviews Chris Ermides of This Old House and the Ask This

en-US

01:17:33

"Faster Horses" & The Future Of HVAC

The Building Science Podcast ·

2020/10/23

When Ken Gehring began his career servicing dairy equipment, who would have guessed that he would go on to pioneer some of the most important equipment to hit the HVAC market? But that’s exactly what he did, leading the charge in the development and creation of the Therma-stor product lines, which include the Santa Fe and Ultra-Aire dehumidifiers that you’ve heard us talk about many times. Join Kristof as he and Ken explore a range of topics on human health, indoor air quality, dehumidification,

en-US

00:59:03

Through The Looking Glass Of High Performance Windows

The Building Science Podcast ·

2020/09/23

What do we actually know and have available to us in the United States market when it comes to high performance windows? The answers may surprise you. Join Kristof as he interviews Sam McAfee of Zola Windows in a wide ranging conversation of window performance, market dynamics, and the future of high performance windows.Sam MacAfeeSam McAfee has been a student of green building ever since buying his first Earthship books back in 1988. Since then, he has received an MFA in Sculpture from UC Berkeley,

en-US

01:12:56

Ventilation & Virus Transmission Prevention (And...

The Building Science Podcast ·

2020/08/07

How well do we understand the behavior of the novel coronavirus in our homes? What can we do to make our homes healthier? What is a CERV? These questions open the door to a rich exploration of the role of ventilation in healthy indoor environments. And you’ll be surprised to find how intimately connected ventilation is to a future powered by solar PV. Join Kristof as he interviews Ty Newell in a broad exploration of topics relevant to any building science aficionado.Ty Newell, PhD, P.E. Professor

en-US

01:04:48

The Westford Summer Camp Blues

The Building Science Podcast ·

2020/08/03

For the first time in its 24 year history, the Westford Symposium on Building Science was forced to take a hiatus by the SARS-CoV-2 pandemic (it would have began as of the release of this episode). If you’ve never heard of this conference, you’ve been missing out. It’s one of the most incredible hubs of building science knowledge exchange and community building in North America. Obviously, we were sad about missing it so we decided to ask the founders and hosts of the conference for an interview

en-US

01:00:38

Obsessed With Humidity

The Building Science Podcast ·

2020/07/18

The world’s climate is changing and so the way we think about design needs to change with it. But before we know what that looks like, let’s dig into the science and understand how it might change. And as we think about expanding humid climate zones in the era of climate change, what does the cutting edge dehumidification technology look like? You’re going to find out. Join us as Kristof interviews Pamela Cabrera about the expansion of humid climate zones in the future and the development of

en-US

01:12:21

Constructal Law Meets Building Science - Flow Systems...

The Building Science Podcast ·

2020/06/05

It’s not often that you get to have a discussion with someone who has uncovered a fundamental physical law of the universe, but that’s exactly what we got to do in this unmissable episode. In a very entertaining and fascinating departure from our usual discussion of building science, we dive deeply into the concepts underlying Contstructal Law with its discoverer, Professor Adrian Bejan of Duke University. Our conversation ranged from HG TV, to the golden ratio in architecture, to the evolution of

en-US

01:07:23

Stewardship & The Future of Engineering

The Building Science Podcast ·

2020/05/29

Engineers can fulfill a vital role in their communities through civic activism, proactive engagement in shaping public policy and leading in the civic realm. This segment of the Ideas Institute will explore the future of civic activism and leadership in the public realm for engineers. It is time for the engineering community to contribute to this re-examination in the spirit of technological and environmental stewardship. Increased leadership from the engineering community is needed to help society

en-US

00:47:19

Passive House Accelerator

The Building Science Podcast ·

2020/04/03

Join Kristof as he interviews Zack Semke and Michael Ingui of Passive House Accelerator on all the great work they’re doing to build community in the building science field.Passive House AcceleratorMissionTogether we can make a difference! We have seen the power of collaboration.The Passive House Community is creative, driven, and Collaborative. Passive House Accelerator has been created to make it easier for others to learn about Passive House, to support the community by allowing them to share

en-US

00:53:47

A House Needs To Breathe... Or Does It?

The Building Science Podcast ·

2020/03/31

Allison Bailes is writing a book! Allison writes the popular Energy Vanguard Blog. With a PhD in physics and thousands of hours spent in attics and crawl spaces, he knows a thing or two about houses. Join Kristof in a discussion with his old friend and colleague as they explore common myths about houses and talk about your next book purchase.Dr. Allison Bailes IIIWith a background in physics and nearly twenty years of experience in many facets of the residential buildings industry, Allison Bailes

en-US

01:16:48

The 5 Principles Of A Healthy Home - Start With A...

The Building Science Podcast ·

2020/03/24

Now, more than ever, there is a tremendous amount of attention on how interconnected we are to our immediate environmental conditions (and to each other). As building science consultants. Our family, friends, colleagues and clients have asked us for years about information that will help them reduce their exposures to pollutants, like viruses, in their homes, offices, and other indoor spaces. So as we began contemplating this episode, we heavily considered talking more about the Novel Coronavirus

en-US

00:35:04

2019: Looking Back & Looking Forward

The Building Science Podcast ·

2019/12/20

Thank you. Thank you. Thank you. It’s been an incredible year. Let’s unpack it together and take a look at what’s coming your way in Season 6 of the show. Join producer Miguel & host Kristof for a fireside chat as the winter settles in around us.

en-US

01:03:13

Death Of The Suburbs: An Urban Manifesto

The Building Science Podcast ·

2019/12/09

It’s time to fundamentally reevaluate the way we build - not just at the level of detailing, but at the scale of the city. What are the decisions we make about density and how do they affect our daily lives? Why do we orient our urban infrastructure around cars when they’re incredibly inefficient ways to move people around? Why can’t you get to 90% of your daily needs within a 15 minute walk? Join Kristof as he interviews Ruchi Modi of the architecture and urbanism firm, PAU on a range of topics

en-US

01:08:54

Carbon Fluency

The Building Science Podcast ·

2019/11/23

Architects and engineers have great power because they make decisions that influence resource and energy use in their buildings. With great power comes great responsibility and now is the time to become fluent in the language of embodied carbon. In this episode Kristof has a lively conversation with Z. Smith and Kelsey Wotila from EskewDumezRipple on this and some adjacent topics.

en-US

159 results

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