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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

00:45:04

Hitting The Reset Button

The Building Science Podcast ·

2017/08/07

It's time to find the reset button. Time to re-examine our view of what we know about delivering conditioned space to our clients, to ourselves. The upside potential in buildings is staggering. From some vantage points, it's astounding and inexplicable why the very places we live continue to be held in a laggard state of performance relative to what's possible. Our industry transition is held captive to an outdated vision. Without a proper vision, our mission, strategy and tactics are ineffective.We

en-US

00:51:44

Everything You Never Knew About Earthen Construction

The Building Science Podcast ·

2017/08/01

Join us for a fascinating conversation with Stephen Colley on earthen construction.Stephen currently practices architecture and runs his own architecture firm and is a long-time practitioner of green design and sustainable living. From 2010-2012 he served as the Program Manager in Green Initiatives for Palo Alto College in San Antonio developing training courses related to sustainable design and construction.Stephen also participated in the Alamo Colleges Chancellor’s Council on Sustainability

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00:54:56

IEQ Series - Hearing Architecture & ISQ

The Building Science Podcast ·

2017/06/19

Noise can have an adverse impact on people in offices, classrooms, hospitals and other commercial buildings (European Agency for Safety & Health at Work, 2005), interfering with their daily activities at work or school and at home.People’s performance levels and ability to concentrate can be negatively affected by noiseand it can make it harder for them to share knowledge with one another.Join Kristof in this continuation of our IEQ series as he discusses acoustics and sound quality across the

en-US

00:57:17

Efficiency Is Not Enough - The Science Of Sustainability

The Building Science Podcast ·

2017/05/23

How good should the building envelope be? How much energy should a building use? Finding answers require putting the building in context with the complex, interconnected, global networks of materials and resource flows in which they exist. Join Kristof for a wide ranging and slightly geeky discussion w Dr William Braham on systems ecology, exergy, emergy, and why a climax forest is a model for power and efficiency.Dr. William W. Braham FAIA is a Professor of Architecture at the University of

en-US

01:06:43

Ducts & Sealing & Health, Oh My!

The Building Science Podcast ·

2017/04/25

In this episode, Kristof interviews Sean and Ian Harris, the owners of a duct sealing company called Aeroseal of Austinin Austin, TX. You'll hear discussion on why duct sealing is such a crucial component of healthy delivered air and energy performance of mechanical systems.Sean Harris has been developing his interest in residential home construction since participating in a remodel project, certified by Austin Energy’s Green Building Program in 2005.With a degree in business administration, Sean

en-US

01:03:35

An Interview With John Semmelhack Of Think Little

The Building Science Podcast ·

2017/04/04

Join Kristof in a wide-ranging discussion of building science topics with consultant John Semmelhack of Think Little.John Semmelhack is the owner of Think Little. He is a Certified Passive House Consultant, a member of the Passive House Institute U.S. (PHIUS) Technical Committee, and is a PHIUS Trainer for the Certified Passive House Consultant and PHIUS+ Rater training programs. He sits on the boards of the Passive House Alliance U.S. (PHAUS) and the Passive House Alliance U.S. – Capital

en-US

01:05:52

IEQ Series - Seeing Architecture & ILQ

The Building Science Podcast ·

2017/03/06

In the continuation of our Indoor Environmental Quality series, Kristof discusses Indoor Light Quality with Keith Simon and Matthew Tanteri. This episode is sponsored by Risinger & Co.Keith and Matt are so appreciated for being such rock stars and for appearing on the podcast more than once. We couldn't do it without your expansive minds!

en-US

00:48:36

Why VRF Matters

The Building Science Podcast ·

2017/02/13

In this first of a two part series on VRF, The Building Science Podcast brings you a compelling argument for why VRF technology matters and will follow up with an episode about how to consider and utilize VRF technology on your projects. Thanks to the generous support of Mitsubishi Electric Cooling & Heating, we're proud to bring you this latest installment of The Building Science Podcast focused on VRF technology and why it's important.

en-US

00:51:45

Humidity, Attics, & Spray Foam, Oh My!

The Building Science Podcast ·

2016/12/01

In today's episode, we are joined by Keith Simon of BES/Terraconand Dr. Allison Bailes of Energy Vanguard to discuss moisture issues associated with the use of spray foam insulation in attic assemblies. There's a little bit of background information on Joe Lstiburek's article called "Ping Pong Water & The Chemical Engineer" that you'll want to check out if you're trying to better understand where this conversation is coming from, as well as a few other Energy Vanguard articles to help wrap your

en-US

00:04:25

A Haunting HVAC Tale - Halloween Special Short

The Building Science Podcast ·

2016/10/31

In this special Halloween short episode, we explore a frightening tale of invisible specters in an otherwise beautifully designed home... all because nobody wanted to look at the mechanical design.

en-US

00:47:48

IEQ Series - Thermal Comfort With Robert Bean (Part 2)

The Building Science Podcast ·

2016/10/21

In the continuation of our Indoor Environmental Quality series, Kristof interviews Robert Bean in a 2 part series on thermal comfort. Robert Bean is an industry leading thinker and engineer. We think you're going to love this interview. This episode is sponsored by Ultra-Aire Whole House Ventilating Dehumidifiers

en-US

00:46:27

IEQ Series - Thermal Comfort With Robert Bean (Part 1)

The Building Science Podcast ·

2016/10/11

In the continuation of our Indoor Environmental Quality series, Kristof interviews Robert Bean in a 2 part series on thermal comfort. Robert Bean is an industry leading thinker and engineer. We think you're going to love this interview. Robert Bean is president of Indoor Climate Consultants Inc. and director of www.healthyheating.com. He is a Registered Engineering Technologist in Building Construction and a Professional Licensee in Mechanical Engineering and provides services related to the design

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00:39:21

IEQ Series - An Introduction

The Building Science Podcast ·

2016/08/22

This introduction marks the beginning of a series on Indoor Environmental Quality. It's one of the most important topics we can discuss because we're exploring intersections of the inextricably linked fields of health and building sciences. We will discuss the constituent parts of IEQ in detail in hopes that you come away more informed to make better decisions for your clients.

en-US

00:33:43

Water, Water, Everywhere (In Its Fourth State Too)

The Building Science Podcast ·

2016/06/23

In this episode of The Building Science Podcast, Kristof explores all the great mysteries of water (especially the water you don't see).The Commonly Known Stages of WaterPure water is tasteless, odorless, and colorless. Water can occur in three states:solid(ice),liquid, or gas(vapor).Solid water—ice is frozen water. When water freezes, its molecules move farther apart, making ice less dense than water. This means that ice will be lighter than the same volume of water, and so ice will float in water

en-US

00:42:49

Better Shelter - An Interview With Jason Ballard

The Building Science Podcast ·

2016/04/29

In this episode, Kristof interviews TreeHouse CEO Jason Ballard on his path into creating a more sustainable building supply retail space.Growing up in a small town in Southeast Texas, our co-founder and CEO Jason Ballard developed a personal connection with the pine forest, coastal prairie, and “big thicket.” In exploring nature, he learned the intricate ways in which humans and the planet rely on each other. At the same time, nearby petrochemical refineries clearly demonstrated the degradation

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00:43:41

Delivering Better Buildings - A Discussion On...

The Building Science Podcast ·

2016/03/28

This episode will focus on the practical and philosophical motivations to shift the industry focus to a more comprehensive building process that integrate teams, systems, and deliver better results. We will attempt to provide clarity for creative and logical solutions that can enable architects and builders to make this kind of philosophical shift toward a more outcome based future.Join us as Kristof interviews Corey Squire from Lake|Flato Architectsfor a great conversation!COREY SQUIRE,LEED AP

en-US

00:29:20

On The Road Again - The Basics Of Vapor Compression

The Building Science Podcast ·

2016/03/11

In this brief episode, Kristof runs down the basics of the vapor compression cycle existent in many HVAC technologies with which we're familiar. And the episode takes place in a van. So prepare yourself for the soothing background hum of the open road while Kristof records his thoughts with a mobile microphone.

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00:48:57

Bearing Witness & The Path To Better Construction

The Building Science Podcast ·

2016/03/11

In this episode, Kristof interviews Keith Simon and John Posenecker of Building Exterior Solutions on how we can do better work in the construction and design industry.Keith A. Simon is a Registered Architect, Certified Passive House Consultant (CPHC), and Legacy LEED AP with over 10 years’ experience in architectural design and building enclosure consultation. Mr. Simon is a Senior Architect at Building Exterior Solutions, Inc. and adjunct faculty at the University of Texas School of Architecture

en-US

00:41:34

Construction Practices & Public Health

The Building Science Podcast ·

2016/01/26

In this episode of The Building Science Podcast, Kristof interviews Adam Reiser of Shelter Builders. We'll explore why construction practices aren't considered a public health issue and hear from Adam's personal story with a house that caused serious health issues.In 2013, Adam and his family found out that their beloved house was filled with a dangerous toxin that was making them sick. After deciding to tear it down, they were unable to find a builder to help them rebuild a healthier, safer home –

en-US

00:33:28

Radiant Heating & Cooling With Messana

The Building Science Podcast ·

2016/01/15

Join The Building Science Podcast on a California adventure to learn about radiant heating and cooling panels made by Messana.Messana is a small company based in Italy and California with big ideas. They are passionate advocates of RADIANT COOLING, committed to change the way spaces are conditioned to improve the thermal comfort of their occupants, all while lowering the carbon footprint.We were lucky enough to mix things up and change our episode format with some live interviews with the Messana

en-US

154 results

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