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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.

arts design

All Episodes

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,

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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,

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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

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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

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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

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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

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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

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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

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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

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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

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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.

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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

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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.

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00:59:49

The Insulation Decision

The Building Science Podcast ·

2019/11/09

While insulation and airtightness are critical elements of a high performance building, they also can significantly increase the risk of health and moisture failure issues. In addition, if using high "embodied carbon" impact materials then high performance buildings can have a higher net carbon impact by 2050 than conventional buildings. Come join us to learn how to create truly healthy, durable, comfortable, and low carbon impact buildings. Join Kristof as he interviews Lucas Johnson in a

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00:49:57

The V In HVAC - Part 2

The Building Science Podcast ·

2019/10/05

As houses get tighter, we know they need to be ventilated (hopefully). But many in the building industry don’t understand ventilation well. We know about the less than ideal ways to do it, like raw fresh air intakes. We’ve heard of ERVs. And it seems like everyone thinks they want them, but nobody understands them or cares enough to actually bring them into a project. Well wonder no more friends. This episode is a two part series and a deep dive into the V in HVAC - demystifying the ventilation

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01:01:44

The V In HVAC - Part 1

The Building Science Podcast ·

2019/07/19

As houses get tighter, we know they need to be ventilated (hopefully). But many in the building industry don’t understand ventilation well. We know about the less than ideal ways to do it, like raw fresh air intakes. We’ve heard of ERVs. And it seems like everyone thinks they want them, but nobody understands them or cares enough to actually bring them into a project. Well wonder no more friends. This episode is a two part series and a deep dive into the V in HVAC - demystifying the ventilation

en-US

01:20:48

That's How The Light Gets In

The Building Science Podcast ·

2019/06/14

Architecture that interacts skillfully w/ the sun is needed now more than ever. Beyond just light and heat there are broader implications and deeper relationships between the building skin and aperture that are not always transparent during the design process. It's time to develop a sympathetic understanding of interrelated decision factors. Enter Matt and Dason and their new book that seeks to fill a void in the understanding and practice of designing around the Sun. This is an architects resource

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00:58:27

Fix-A-Flat For Houses?

The Building Science Podcast ·

2019/05/07

Join Kristof as he interviews Amit Gupta, CEO of AeroBarrier and Aeroseal Technologies. The discussion dives into the particulars of a unique and fascinating technology company at the helm of the architectural and construction industry change.

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00:53:06

Don't Just Build A House. Build A Legacy.

The Building Science Podcast ·

2019/04/05

David Escobedo is a fascinating character with a deep connection to his own heritage in the construction industry. Join Kristof as he interviews David for a conversation that outlines not just the path of a builder, but the path of someone who wants to leave behind a legacy.______________________David Escobedo is the active founder of Escobedo Group where he leads a six-division, vertically-integrated luxury home building company that self-performs their work.Escobedo’s focus on solid construction

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00:55:32

Just Don't Tell Them It's Passive House!

The Building Science Podcast ·

2019/03/22

If you’re ever wondered what kind of salt it takes to move the needle for multi-family passive house projects, look no further than the story of architect and developer Hank Keating. We all have under utilized power in our professional roles. Join Kristof for a discussion with Hank about the work he’s done in Massachusetts to make way for passive house buildings - from codes, to renter occupants, to design - this episode’s got it all.__________________________Hank Keating, AIAMr Keating is a

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152 results

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