Cover art for podcast BUILDTank / buildCAST

BUILDTank / buildCAST

80 EpisodesProduced by Robby SchwarzWebsite

At BuildTank, a pragmatic building think tank, our mission is to use what we learn applying building science to affect meaningful change in the construction industry. The BUILDCast is the next step. Through conversations, we will learn something new from our guests’ story that could be the catalyst … read more

80 Episodes | 2021 - 2023

#24 -2023 Ross Trethewey Principal Te2 Engineering. Making HVAC design understandable.

November 20th, 2023


Ross Trethewey thinks Zero to 360 and is the founder of TE2 Engineering. TE2 is a full-service engineering design and consultation firm that …

#23-2023 DOE’s Building America Solution Center and the Building Science Advisor

November 19th, 2023


The Building America Solution Center grew out of the Department of Energy’s Building America Program. A Program that has been a source of innovations …

#22-2023 Todd Usher Addison Homes – Builder, Professor, Energy Rater

October 22nd, 2023


Todd Usher is the Founder of Addison Homes a South Carolina home building company specializing in building healthy, high-performance homes that …

#21 -2003 Bill Spohn President and CEO of TruTech Tools

October 9th, 2023


Bill Spohn is the President and CEO of TruTech Tools and much more. He is an entrepreneur who is willing to listen, learn, and cooperate with an eye …

#20 -2003 Matt Everson Defining the damage, a builder’s guide to Insurance scope of loss reports.

September 25th, 2023


A Scope of Loss Report is the insurance industry term for an estimate of the rebuilding cost of a lost house due to a severe event like fire, hurricane, or tornado. It does not reflect the cost of the house that will be …

#19 -2003 Steve Baczek bridging between architecture and sound building science.

September 10th, 2023


Steve Baczek is a nationally recognized architect, who has been designing and developing custom residential structures for over 28 years. After …

#18 -2003 United Policy Holders, Marshall Fire, Natural Disasters, and the disaster of dealing with insurance.

August 28th, 2023


Amy Bach, Executive director of United Policy Holders and Lisa Hughes Marshall Fire Survivor and Marshall Fire Local Liaison for United Policy …

#17 -2023 Dr. Diana Fisler at the crossroads of building technology innovation and market adoption

August 13th, 2023


Dr. Diana Fisler is an experienced building materials scientist turned Entrepreneur who is Interested in the interface between early building …

2023 - #16 Craig Maierhofer Vice President of Business Development at Alpen High Performance Products AKA All things High- Performance Windows

July 31st, 2023


Alpen High-Performance Products is an American window and door manufacturer that designs and builds some of the most energy efficient window and door products in North America and the world.  Alpen’s core products draw …

2023 - #15 - Pamela Bookstein, if you are not talking about it, you’re giving it away.

July 17th, 2023


If you’re not talking about it, if you’re not Marketing it, and most importantly if you’re not helping the consumer connect with it on an emotional level or a level where they can clearly understand the benefit to them, …

2023 - #14 Building Better with Karen Benner

July 5th, 2023


Karen Benner is a GREEN Realtor and founder of Clayton Avenue Consulting. She brings her 20 years of experience and a large builder perspective and …

2023 - #13 Mike Missimer Principal Owner MGI Mechanical Services and Rockview Designs

June 19th, 2023


Mike Missimer principal and owner of MGI Mechanical has almost 30 years of experience in the HVAC industry, he has used his engineering background …

2023 - #12 Gayathri Vijayakumar Principal Mechanical Engineer at Steven Winter Associates

June 4th, 2023


Gayathri Vijayakumar is a Principal Mechanical Engineer at Steven Winter Associates. For over 17 years, she has specialized in evaluating residential …

2023 - #11 Keith Dennis President, Beneficial Electrification League

May 20th, 2023


Keith Dennis, President of the Beneficial Electrification league finds himself translating the languages of law, engineering, and business to pursue a vision where electrification has broad market acceptance as a …

2023 - #10 Anna Perks Founder of Perks Deconstruction

May 7th, 2023


Perks Deconstruction provides a comprehensive and strategic deconstruction and demolition service that allows homeowners and contractors to …

2023 - #9 Glenn Mathewson Creator of

April 24th, 2023


Glenn Mathewson, creator of, likes to talk and I have to say I was a little nervous about our buildCAST conversation.


2023 - #8 Off Site Construction with B Public Prefab and CEO Founder Edie Dillman

April 9th, 2023


B Public Prefab is an offsite construction solution for the homes buildings thermal envelope that integrates bulk moister, air, vapor, and thermal …

2023 - #7 Ed Fronapfel Forensic Engineer and Principal Investigator on Zero Clearance shaft liner Area Separation Wall E119 Burn Testing

March 27th, 2023


Ed Fronapfel is a forensic engineer who I first met when he taught a thermography class I attended.  Later he became the student when he participated …

2023 - #6 Zack Giffin - Professional Skier, Tiny House Advocate, and Host of the popular show Tiny House Nation

March 13th, 2023


It doesn’t matter the size of the house that’s built, Builders are passionate about what they do. Zack Giffin demonstrates that in this conversation about tiny homes. In 2018 I happened to be at the code hearing where …

2023 - #5 Jake Bruton of Arrow Building

February 27th, 2023


Jake Bruton owner of Arrow Building continues to push the home building industry forward. As a carpenter running a business and helping to mature an industry, Jake’s skill and enthusiasm has brought him national …

#4-2023 Thriving in Construction, with Gene Myers, Founder of Thrive Home Builders.

February 12th, 2023


Gene Myers is the Founder of Thrive Home builders. I went into our conversation focused on learning more about ESG or Environmental, Social, and Governance and how this new way of looking at business is affecting the …

#3-2023 Gary Nelson – They call him the "Father of the Blower Door"

January 30th, 2023


Gary Nelson, cofounder of the Energy Conservatory, is an engineer who turned his attention to residential efficiency in the 1980’s. He is often referred to as the father of the blower door, but did not invent the …

#2-2023 Rick Schultz Water Efficiency Supervisor Town of Castle Rock Water

January 16th, 2023


Rick Schultz is the Water Efficiency Supervisor for the Town of Castle Rock Colorado. We spoke regarding some of the impacts that draught conditions …

#1-2023 Teal Lehto Instagram’s “Wester Water Girl”, helps set the stage about water issues in the west and their potential impact on construction.

January 1st, 2023


Teal Lehto has honed a short, snappy, and data driven style perfect for Instagram, to explain western water issues in the Colorado river basin. Her …

#28-2022 Allan Hubbell Residential Marketing Leader at Dupont and host of the “Residentially Speaking” podcast.

December 19th, 2022


In this episode of the buildCAST, Alan Hubbell the residential marketing leader at Dupont and host of the Dupont Education Hubs, “Residentially …

#27-2022 An Insurance Primer for Disasters with Tim Stuber Insurance Agency LLC.

December 4th, 2022


The Marshall Fire has revealed so many questions about home insurance and the process of becoming whole after an sever disaster event. My hope is to …

#26-2022 Larry Acker ACT D'mand Hot Water Systems Systems

November 20th, 2022


The wait for hot water at the tap can last several minutes leading to wasted water, time, money, and energy.  I spoke with Larry Acker, the Chief …

#25-2022 Scott Sedam True North Development and Lean Building

November 7th, 2022


Scott Sedam is the Owner and President of True North Development.

True North is a training and consulting firm for homebuilders, trade contractors, …

#24 -2022 Energy Modeling Consistency with Neal Kruis Energy Modeling Director for RESNET

October 23rd, 2022


Neal Kruis has a Ph.D. in Architectural Engineering from the University of Colorado at Boulder and has been developing building energy modeling …

#23-2022 Energy and Environmental Building Alliance (EEBA) Building Summit Exhibitor Recap

October 10th, 2022


The EEBA High Performance Home Summit conference organizers brought together exhibitors that represent the breath of our industry and are available to highlight the new and innovative products and practices that the …

#22-2022 Skilled Trade Training in High Schools with Matthew Blomquist and Michael Degitis

September 25th, 2022


Matt Blomquist is the Building Trades Instructor at Taylorville high school in Illinois and Mike Degitis is the Construction and Applied Math …

#21 - 2022 Bonus Episode - Midwest Building Science Symposium recap from me and a few other attendees

September 18th, 2022

Really Enjoyed the Midwest Building Science Symposium in KC on September 14 and 15th, 2022.  This episode is a quick recap of this event from me and a few of the attendees. Next up is the Southeast Building Science …

#20-2022 Dan Gorham and the new Insurance Institute for Business and Home Safety Wildfire Prepared Home Program

September 12th, 2022


In episode #16 of 2022 I spoke with Fred Malik about the Fortified Construction Program. The FORTIFIED construction method is a voluntary …

#19-2022 A Conversation with Gord Cooke

August 28th, 2022


Gord Cooke, President of Building Knowledge Canada & Partner at Construction Instruction is one of the most influential building scientists and building science trainers in North America. He has an extraordinary …

#18-2022 Heart of A Building with Paul Kriescher

August 14th, 2022


After growing a successfully energy rating company, Lightly Treading.

Paul Kriescher managed a merger with PCD Engineering who later merged with …

#17-2022 Travis Brungardt, Catalyst Construction, and the Midwest Building Science Symposium

August 1st, 2022


Travis Brungardt of Catalyst Construction has spent more than two decades working professionally in the remodeling and homebuilding industry. He and his partner Joe Cook have brought building science and systems …

#16 – 2022 Fred Malik and the Fortified Construction Program

July 17th, 2022


The FORTIFIED construction method is a voluntary construction standard and program back by decades of research, that roofing contractors and builders …

#15-2022 Brett Dillon and Building Science Institute – A New organizations offering an independent Energy Rating Index score, and which is recognized as an EnergyStar Home Oversite Organization.

July 4th, 2022


Brett Dillon has worked in the Home Energy Rating Index world for years. In the past as a RESNET board member, he was one of the leaders of the …

#14-2022 Lumber Connection Podcast from SBCA (Structural Building Components Association)

June 20th, 2022


Moly Butz is the Managing Director of the Structural Building Components Association; she is also the hosts the Lumber connection podcast. The Lumber …

#13-2022 Brian Iverson – Bring Tstud™ to Market.

June 6th, 2022


Brian Iverson is the CEO of US Engineered Wood, the manufacturer of the Tstud™ products. He is a character and was a joy to speak with. Brian brought the Tstud™ to market, an Innovation in framing materials that is …

#12-2022 Thoughts on the 2024 IECC development process

May 23rd, 2022


I have been involved with the development of the IECC since the 2015 code cycle. Traditionally the International Code Council develops construction …

#11-2022 University of Colorado Solar Decathlon Build Challenge Team leaders describe their entry in the 2022-2023 Event

May 9th, 2022


Solar Decathlon Build Challenge Teams will compete to earn points by operating their house successfully, and by showcasing the excellence of their …

#10-2022 Mark Willie - A wonderful journey to sharing ones passion with the world

April 24th, 2022


To me Mark Willie burst onto the seen during the height of Covid when all kinds of building educational content was being created and distributed through social media. During this time, I learned about BS and Beers, …

#9-2022 Sandra Adomatis and the Residential Green and Energy Efficient Addendum

April 10th, 2022


Sandra Adomatis is an appraiser, consultant, and educator. Her story is one of love which also led her to her work passion, residential appraisals, …

#8-2022 A conversation with Mark LaLiberte - The Art of Applied Building Science

March 27th, 2022


Mark LaLiberte almost needs no introduction to the buildCAST audience. In the world of building science there are a few superhero promoters of doing the right thing in the houses that we build. Mark is definitely one of …

#7-2022 Bill Rose - retired Senior Research Architect from the Indoor Climate Research and Training Applied Research Institute, University of Illinois at Urbana-Champaign

March 14th, 2022


To me, Bill Rose has single handily written the most about historical forensic building science and analysis that explains why we build things the way we do. This historical perspective reveals why we have wrongly and …

#6-2022 Drew Lindsay Owner of Hammerwell Construction Passive House Builders

February 28th, 2022


Drew Lindsay owner of Hammerwell Construction is the only builder in Colorado that I know of that has a full staff of Passive house certified …

#5-2022 Boulder County Marshall Fire rebuild a builder and building consultants perspective.

February 21st, 2022


Mark Attard, operations manager at HammerWell Custom Homes, and I have a candid conversation about rebuilding after the Marshall Fire. Applied building science and better performing homes needs to be at the heart of the …

#4-2022 Mark Attard – one house's experience of the Boulder County Marshall Fire that burned on December 30th, 2021

February 13th, 2022


Mark Attard Operations Manager at Hammer Well custom homes is helping to lead the company towards a commitment to building exceptional custom homes …

#3-2022 Peter Stuart of Sterling Enterprises and his journey to and through PHI certification

January 31st, 2022


Chief Builder and Owner of Sterling Enterprises, Peter Stuart values creativity, uniqueness, and perfection. Sterling builds for comfort and longevity while believing that advancing their craft leads to innovation and …

#2-2022 Part 2 with Justin Wilson Understanding Construction Instruction

January 17th, 2022


Part II of my conversation with Justin Wilson concentrated more on the creation of Construction Instruction and how it has grown. CI provides leading …

#1-2022 Justin Wilson and Construction Instruction Part 1

January 3rd, 2022


Justin is an experienced building consultant with a demonstrated history of working in the construction industry. Skilled in energy efficiency, …

#27 - 2021 Decommissioning Martin Drake Power Plant in Colorado Springs, Colorado. Featuring, Jim Riggins, who is involved in the heat of his community's energy future.

December 20th, 2021


Martin Drake, a coal fired power plant located in downtown Colorado Springs, has burned coal to generate electricity since 1925. It burned its last …

#26 - 2021 Bonus Episode EEBA Session - Creating an Airtight Shaft Liner Area Separation Wall

December 13th, 2021


Creating an Airtight Shaft Liner Area Separation Wall

The IECC requires that town homes and duplexes achieve 3 or 5 ACH50 depending on the climate zone the dwelling is built in. My experience is that attached housing is …

#25-2021 Bill Rectanus, COO at Thrive Home Builders, discusses the business of Building from planning to going vertical

December 5th, 2021


Bill Rectanus is chief operating officer, or COO, at Thrive Home builders, and today he will walk us through his journey to becoming a COO at this regional production builder, how the company began building only DOE …

#24-2021 Nigel Watts – bringing RHEIA HVAC airtight compact air distribution system to market.

November 22nd, 2021


Nigel Watts is successfully bringing the new RHEIA HVAC airtight compact air distribution system to market. Rheia's compact air distribution system …

#23-2021 The Biggest Roadblock to Electrification of homes, Removing the Gas Cook Top

November 8th, 2021


Chef Rachelle Boucher with , and Chef Andrew Forlines with speak to with me about one of the biggest roadblocks to the electrification of a home. Getting ride of the gas cook top.

Chef …

#22 - 2021 Jonah Schein, WaterSense National Program Manager for Homes & Buildings

October 25th, 2021


Since his college days, Jonah has worked on national and international water issues. He has spent over a decade leading the technical direction and …

#21-2021 Bonus Conversation about ZERO Energy Homes with Gord Cooke, Bill Rectanus, Justin Wilson, and Seth Hart at the 2021 EBBA Summit

October 19th, 2021


Welcome to this bonus session of the BUILDCast. I am happy to bring to you A conversation about Zero Energy homes that took place at the 2021 EEBA (Energy & Environmental Building Alliance) High performance Home …

#20-2021 Greg Fisher Architect and his Fisher Passive House

October 11th, 2021


Greg D. Fisher, Architect is a design and service-centered practice focusing on simple, progressive, authentic and responsible designs since the firm’s inception in 1993. In 2020 Greg started down the road of designing …

#19-2021 Shawn LeMons with Mitsubishi Electric Trane US HVAC and a conversation about heat pump technology and much more

September 24th, 2021


Performance Construction Manger Mitsubishi Electric Tane US HVAC, Shawn has focused his worked in Energy and resource efficiency, sustainable buildings, and community abundance. He enjoys contributing his experience and …

#18-2021 Part I - EEBA Summit Bonus Episode conversations I had with sponsor exhibitors

September 24th, 2021


An assortment of short conversations I had with the sponsor exhibitors at the 2021  EBBA High Performance Summit




Energy Panel …

#18-2021 Part II - EEBA Summit Bonus Episode conversations I had with sponsor exhibitors

September 24th, 2021


An assortment of short conversations I had with the sponsor exhibitors at the 2021  EBBA High Performance Summit - Part II


Etopia USA

#17-2021 Corbett Lunsford & His Building Performance Workshop

September 13th, 2021


I had a great conversation with Corbett who is juggling all things that his company Building Performance Workshop is doing. Performance Testing and home diagnostics, a home diagnostics book, training, podcast, TV show …

#16-2021 Garry Klein's in Hot Water

August 30th, 2021


The story about how Gary Klein got into hot water is a long one which we delve into in this episode of the BUILDCast. It takes us from the east cost of the United State to Lesotho in Africa, back to the United States …

#15-2021 – CR Herro, Building Innovation Philosopher

August 16th, 2021


C.R. Herro, Vice president of Innovation at Meritage Homes, leads Meritage’s Business Innovation Program which combines design, efficiency, …

#14-2021 - Chris Mathis - – Creating Consensus in the construction industry through standards setting organizations

July 30th, 2021

Chris and his team provide a variety of strategic services to both private and public sector interests related to buildings and building product performance. Their Specialties include Building Science; Building Science …

#13-2021 Laurie Johnson & Emily Freeman - Construction and Demolition Waster Recycling

July 19th, 2021


About 23 years ago I almost created a sister company to my energy rating company BUILTWright that I was going to call WasteWright. Construction waste recycling was all the rage and there were all kinds of ideas …

#12-2021 Joe Medosch - Healthy Building Scientist at Hayward Score

June 8th, 2021


Joe Medosch took a wide and varied route to become the Healthy Building Scientist. On his journey he became an artist, electrician, home inspector, and professor. He did marketing and sales and now is on a small team at …

#11-2021 Steve Andrews, a treasured mentor of mine.

May 25th, 2021


In his spare time, as he claims to be retired, Steve Andrews is an energy consultant, free-lance writer, and mentor to many of us in Colorado. He …

#10-2021 David Goldstein - Energy policy advocate & Energy CO-Director with the Natural Resource Defense Council (NRDC)

May 7th, 2021


David B. Goldstein has worked on energy efficiency and energy policy since the early 1970s. He currently codirects Natural Resource Defense Council’s …

#9-2021 Eric Holt Assistant Professor at University of Denver - Burns School of Real Estate & Construction Management.

April 26th, 2021


Eric Holt is an Assistant Professor at University of Denver - Burns School of Real Estate & Construction Management. He teaches Construction …

#8-2021 - #5 Kirsch/Stroup Passive House Series Zane Bishop - Bishop Built Construction Becoming a Passive House Builder

April 9th, 2021


Today I am speaking with Zane Bishop of Bishop Built Construction based in Grand County Colorado Climate Zone 6. Zane and the Bishop Built team are …

#7-2021 - #4 Kirsch/Stroup Passive House Series David Barns - Bishop Built Construction Manager

March 29th, 2021


David Barns took one career as an Industrial Technology Teacher, teaching classes in welding, AutoCAD drafting, STEM pre-engineering, and building …

#6-2021 - #3 Kirsch/Stroup Passive House Series Munn Architecture - Architecture and Passive House

March 16th, 2021


Scott Munn Principal of Munn Architecture:

Scott Munn’s warm-hearted and positive demeanor, coupled with a genuine love of his craft, translates directly into client satisfaction time and again. He …

#5-2021 - #2 Kirsch-Stroupe Passive House EMU Systems – The passive house consultant, educator, and more.

February 25th, 2021


EMU Systems is empowering the construction industry to build for the future through simplified, standardized, Passive House systems. They are the …

#4-2021 #1 Kirsch-Stroupe Passive House - Matt & Kerri the home buyers/owner - How they got to Passive House

February 25th, 2021


Kerri Stroupe and Matt Kirsch How they got to Passive House.

Kerri and Matt have built an environmental ethic over the years starting at an early age yet it was a journey to find passive house when they decided to build …

#3-2021 Jeffery Rhodin Principal of Lean Green Building, inc.

February 14th, 2021


A great conversation with Jeffrey Rhodin focusing on his deep knowledge of of lean thinking and six-sigma methodologies and the construction …

#2-2021 A Conversation With Sam Rashkin

January 26th, 2021


A compelling conversation with Sam Rashkin, currently Chief Architect of the Building Technologies Office in the Office of Energy Efficiency and …

And Interview with myself " Robby Schwarz" The Host of BUILDCast

January 25th, 2021


I am Robby Schwarz, and I’ll be your host on the BuildCast, therefore I would like to spend this first episode telling you my story before I go out …

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