RESTalk

QUOTES from the episode: "The people closest to the work often have the clearest view of what needs to change." "Codes do not become practical until field experience finds its way into the conversation." "Better data leads to better codes, and HERS® Raters are sitting on some of the most useful data in the industry." "The future of energy codes will be shaped not only in committee rooms, but also in crawlspaces, attics, and blower door tests." In this episode of RESTalk, host Bill Spohn welcomes Nathan Kahre of the National Association of Home Builders, Alex Smith of the International Code Council, and Kris Stenger of ICC for a practical discussion on the 2027 IECC, the emerging 2030 framework, and how energy codes move from model language to real-world adoption. Together, they explain how the IECC is developed, how consensus committees and public comments shape the process, and why input from HERS® Raters, builders, subcontractors, code officials, and consumers matters. The conversation highlights several important 2027 IECC updates, including clearer blower-door testing provisions, expanded recognition of ANSI/RESNET®/ICC 380, tighter ERI targets, performance-path changes, improved fenestration values, expanded energy credits, and a new energy audit requirement for large additions. The guests also discuss how state and local adoption varies widely, from formal code councils and rulemaking processes to state-specific pathways like Texas HB 1736. Most importantly, Nathan, Alex, and Kris encourage HERS® Raters to get involved. Whether through local home builder associations, RESNET® program engagement, ICC interested-party lists, or future participation in the 2030 IECC subgroup, raters can bring field data, practical experience, and clarity to a process that increasingly depends on verified performance. Kris's contact info: kstenger@iccsafe.org Alex's contact info: alsmith@iccsafe.org https://www.linkedin.com/in/alexsmithenergy/ Nathan's contact info: nkahre@nahb.org https://www.linkedin.com/in/nathan-kahre-94a779108/ ICC Committees: https://www.iccsafe.org/committees/energy-iecc/ https://www.iccsafe.org/membership/councils-committees/icc-committee-application/ The code adoption kit we discussed: https://www.nahb.org/advocacy/top-priorities/building-codes/code-adoption-kits/2024-International-Energy-Conservation-Code To the RESNET® community, we hear you and want to engage. Learn more at www.RESNET.us. For more info on this topic, contact RESNET at INFO@RESNET.US

"As homes get tighter, ventilation isn't optional—it's essential." — Patrick Nielsen In this episode of RESTalk, host Bill Spohn sits down with Patrick Nielsen, Global Technical Products Manager at Broan-NuTone, to discuss the evolving world of home ventilation. With over two decades of experience, Patrick walks us through the major drivers shaping residential ventilation practices today—from tighter building envelopes to the growing emphasis on indoor air quality and energy efficiency. Patrick explains the importance of dwelling unit ventilation (DUV), spot vs. whole-house strategies, and the increasing role of energy recovery ventilators (ERVs) as builders and raters seek practical ways to meet stringent codes and achieve better HERS scores. He also touches on upcoming developments like capture efficiency standards for range hoods, automated balancing features in modern ERVs, and the implications of makeup air requirements. Whether you're a builder, rater, or HVAC pro, this episode is packed with actionable insights for navigating the ventilation challenges in today's high-performance homes. Patrick's LinkedIn: https://www.linkedin.com/in/patrick-nielsen-48b93a3/ Broan's website: https://broan-nutone.com/en-us Broan Specficier tools (A variety of code-compliant specification tools for project applications.): https://broan-nutone.com/en-us/home/specifier-tools The Home Ventilating Institute (HVI): www.hvi.org Links to ASHRAE 62.1 and 62.2 standards: https://www.ashrae.org/technical-resources/bookstore/standards-62-1-62-2 One of many sites to find building codes by state: https://ibhs.org/public-policy/building-codes-by-state/ To the RESNET® community, we hear you and want to engage. Learn more at www.RESNET.us. For more info on this topic, contact RESNET at INFO@RESNET.US

"Innovation is taking two things that exist and putting them together in a new way." — Tom Freston In this episode of the RESTalk podcast, Bill Spohn sits down with Jason Barlow, former President & CEO of Habitat for Humanity Central Arizona, to discuss a groundbreaking achievement in homebuilding—the first 3D-printed concrete home in Arizona. Jason shares how this innovative project, born from a collaboration with ASU graduates and a German scaffolding company, PERI, pushed the boundaries of affordable housing construction. From overcoming extreme heat challenges to designing a home with unique structural and artistic elements, Jason details the incredible journey of bringing this home to life. The conversation dives into the long-term implications of 3D printing in construction, its potential for large-scale housing developments, and the lessons learned from Habitat's pioneering efforts. Jason also touches on Habitat's broader mission, its work in providing energy-efficient and affordable housing, and how listeners can engage with their local Habitat affiliates. This episode is a fascinating look at the intersection of technology, sustainability, and community impact. Here is the LinkedIn profile for our podcast guest Jason Barlow: https://www.linkedin.com/in/jasbarlow/ Additional information as well on the 3D home. https://habitatcaz.org/habitats-first-3d-printed-home-in-the-u-s/ Habitat Resnet Presentation 2025.pdf Habitat for Humanity's first 3D-printed home in Arizona Why not us? Habitat's 3D-Printed home in Tempe, Arizona (3 min) To the RESNET® community, we hear you and want to engage. Learn more at www.RESNET.us. For more info on this topic, contact RESNET at INFO@RESNET.US

"Excellence is never an accident. It results from high intention, sincere effort, intelligent direction, skillful execution, and the vision to see obstacles as opportunities." – Aristotle (adapted interpretation) In this insightful episode of RESTalk, host Bill Spohn interviews three key members of RESNET's team.: Ryan Moore, Jordi Kimbrough in Quality Assurance, and Michael Matthews in Programs. Each brings a unique background and perspective to their roles, strengthening RESNET's mission to ensure high-quality standards in energy-efficient home ratings. Ryan Moore, the Quality Assurance Investigations Program Manager, shares his journey from a varied background in environmental studies, construction, and tourism to his pivotal role at RESNET. Ryan emphasizes the importance of a level playing field in the rating industry, using investigations to ensure compliance and education among stakeholders. Jordi Kimbrough, Quality Assurance Project Manager, reflects on her serendipitous entry into the rating world and her focus on making providers' challenging roles more manageable. She highlights her goals of streamlining processes, providing training, and gathering feedback to reduce ambiguity and enhance the industry's efficiency. Michael Matthews, Programs Engagement Specialist, rounds out the conversation with his passion for connecting people and advancing energy efficiency. From his early days in weatherization to his current role, Michael facilitates stakeholder conversations, promotes better building practices, and supports t's RESNET's ambitious goals. The episode concludes with discussing the value of teamwork, service, and a shared commitment to sustainability, underscoring the human connection behind RESNET's impactful work. Here is the contact info for our guests: Jordi Kimbrough: Jordi@resnet.us Michael Matthews Michael@resnet.us, https://www.linkedin.com/in/michael-matthews-a8931928/ Ryan Moore: Ryanmoore@resnet.us, https://www.linkedin.com/in/rymoore/ Here is a link to the complaint resolution process: https://www.hersindex.com/about-resnet/complaint-resolution-process/ and the Complaint form https://www.hersindex.com/file-complaint-resolution/ Job Posting for Regional Positions for QA specialists: (Posted 12-4-24) https://www.resnet.us/articles/job-posting-resnet-qa-compliance-specialists-regional-positions/ To the RESNET® community, we hear you and want to engage. Learn more at www.RESNET.us. For more info on this topic, contact RESNET at INFO@RESNET.US

"The future belongs to those who believe in the beauty of their dreams." – Eleanor Roosevelt Welcome to a special episode of RESTalk: "Best of RESTalk 2024"! This year has been transformative for RESNET® and the residential energy efficiency industry. From setting bold goals to launching innovative tools and forming impactful collaborations, 2024 has redefined what's possible in energy efficiency and sustainability. In this episode, we revisit the year's most insightful and impactful moments, featuring highlights from the conversations that shaped the industry. Join us as we dive into the ambitious goal of achieving 1 million RESNET® HERS ratings annually, explore the evolution of new QA tools, and unpack the growing Build-to-Rent housing trend. We'll also reflect on RESNET®'s strides in water and carbon efficiency programs and the game-changing advocacy efforts that have amplified energy efficiency policies nationwide. Below is a table of all the topics in this episode with links to the full podcasts. Reflection on 2024: As we recap the highlights, we celebrate the progress and resilience of the RESNET® community in driving energy efficiency and sustainability. This episode highlights the industry's achievements and innovation, from RESNET®'s ambitious goals and policy wins to groundbreaking tools like the QA app and evolving market trends like Build-to-Rent housing. Looking Ahead: 2025 promises to bring even more exciting initiatives, broader adoption of RESNET® programs, and a collective journey toward achieving 1 million HERS ratings annually. Don't miss the opportunity to engage with RESNET® through upcoming events like the RESNET® 2025 Conference and continued advocacy efforts. Call to Action: If this episode inspired you, revisit the full conversations for deeper insights and ideas. We thank our listeners, guests, and stakeholders for their contributions to an impactful year. Here's to even greater achievements in 2025! Topic & Episode Topic Full Episode link Part A GOALS & MACRO TRENDS 124 Ambitious goals 2028 www.bit.ly/RT-124 124 Stretch goals www.bit.ly/RT-124 128 Defining BTR & HERS Ratings www.bit.ly/RT-128 Part B SOFTWARE & DATA 125 Development of the QA app www.bit.ly/RT-125 134 Purpose and goals for QA App www.bit.ly/RT-134 131 Highlights from the Trends report www.bit.ly/RT-131 132 QA is the backbone www.bit.ly/RT-132 Part C PEOPLE 126 Perspectives on Women in the HERS industry www.bit.ly/RT-126 127 Robert's advocacy experience www.bit.ly/RT-127 127 Carl on how advocacy days are structured www.bit.ly/RT-127 129 Paulette explains her role in outreach www.bit.ly/RT-129 133 Evolution of IECC/HERS Compliance Specialist www.bit.ly/RT-133 130 Preview of the 2025 RESNET Conference www.bit.ly/RT-130 To the RESNET® community, we hear you and want to engage. Learn more at www.RESNET.us. Or for more info on this topic, contact RESNET at INFO@RESNET.US

Knowledge is of no value unless you put it into practice. Anton Chekhov In this episode of the RESTalk podcast, host Bill Spohn talks with Mark Johnson from the International Code Council (ICC) and Steve Baden from RESNET® about a new collaboration to enhance energy code compliance. They discuss the growing complexities of energy codes, particularly the challenge of ensuring compliance amid increasing technical and regulatory demands. To address this, ICC and RESNET® are introducing a program to involve HERS raters as third-party verifiers, providing quality assurance and supporting local code officials, especially where resources are limited. The conversation delves into the origins and development of this program, which has been over a decade in the making. Steve and Mark describe their journey, starting with joint training initiatives and establishing standards such as the Energy Rating Index (ERI). The latest effort includes certification of RESNET® HERS® raters to act as recognized compliance specialists under the International Energy Conservation Code (IECC). This certification ensures that raters understand building science and are well-versed in energy code requirements, enhancing credibility with code officials. Mark and Steve emphasize the need for collaboration and transparency in implementing these new compliance measures. They highlight that this partnership helps jurisdictions struggling with limited code enforcement capacity and provides career growth opportunities for HERS raters. The program aims to be fully launched by the end of 2025, with both guests encouraging raters to obtain their certifications soon to position themselves at the forefront of this compliance evolution. Here's the link to the ICC website with all of the info on the IECC/HERS Compliance Specialist Designation: https://www.iccsafe.org/content/ecs-designation/ Flyer with a quick summary: https://cdn-www-v2.iccsafe.org/wp-content/uploads/ICC_HERSComplianceSpecialist_MessagingToCodeOfficials_infographic-002.jpg.webp To the RESNET® community, we hear you and want to engage. Learn more at www.RESNET.us. Or for more info on this topic, contact RESNET at INFO@RESNET.US

The greatest value of a picture is when it forces us to notice what we never expected to see. John Tukey In this episode of RESTalk, host Bill Spohn welcomes his most frequent guest, RESNET staff member, Ryan Meres, to discuss the latest trends in the 2024 edition of the HERS-rated homes. This report, created as an initiative of the RESNET Suppliers Advisory Board, highlights data trends and analysis in the residential construction market. The report shows a consistent year-over-year increase in HERS ratings, with the total number last year reaching 362,000, and projections for this year indicating that the number may surpass 400,000. Notably, states like Massachusetts and Arizona have seen significant adoption rates of HERS ratings in new homes, with Massachusetts leading at 98%. The conversation delves into various aspects of the report, such as the geographic distribution of HERS ratings, the types of ventilation systems used in homes, and the rise of all-electric homes. Meres notes that certain states, like Texas, have seen substantial increases in the percentage of homes receiving HERS ratings. The report also explores energy cost savings, insulation values, and air leakage rates, highlighting that homes with solar panels tend to have better insulation compared to those without. Additionally, the trend towards high-efficiency mechanical equipment and the decreasing use of gas heating and water heating systems is discussed, reflecting a gradual shift towards more energy-efficient building practices. Finally, the podcast touches on the growing importance of the HERSH2O rating system, which measures water efficiency in homes. Ryan explains that the program has been expanding, particularly in the Southwest, and is beginning to gain traction in other regions as well. The report indicates that HERSH2O rated homes can save significant amounts of water annually. The conversation concludes with a reflection on the value of the data provided in the report, emphasizing its role in helping builders and decision-makers understand and implement best practices for achieving energy and water efficiency in residential construction. Link to the report: https://www.resnet.us/wp-content/uploads/RESNET_2024_HERSTrendsDataReport_FINAL.pdf Ryan's LinkedIn: https://www.linkedin.com/in/ryan-meres-58977110/ RESTalk: To the RESNET community, we hear you and want to engage. Learn more at www.RESNET.us. Or for more info on this topic, contact RESNET at INFO@RESNET.US

"In the end, we will conserve only what we love; we will love only what we understand; and we will understand only what we are taught." — Baba Dioum In the latest episode of RESTalk podcast, Bill Spohn hosts Paulette McGhie and Ryan Meres to discuss RESNET®'s innovative approaches to water, carbon, and building codes. Paulette McGhie, who recently joined RESNET, shares her extensive background in energy compliance and her passion for energy transparency, driven by a personal experience involving her mother's high utility bills. She now focuses on outreach, education, and advocacy, aiming to promote net-zero energy homes by 2040. The discussion highlights RESNET®'s recent activities, including a significant meeting with Utah's water conservation board to address water reduction goals. Paulette emphasizes the importance of collaborative efforts among key stakeholders to create incentives and recognition programs for builders adopting water-efficient practices. Ryan Meres discusses RESNET®'s recent policy forum in Washington, D.C., where they advocated for a federal tax credit for water efficiency, similar to the existing 45L tax credit for energy-efficient homes. The podcast also covers the challenges in promoting water efficiency and adopting advanced building codes. Paulette and Ryan acknowledge the difficulties builders face, particularly in regions with strict outdoor water use regulations. They stress the need for continuous education and advocacy to overcome these obstacles. Both guests are optimistic about increasing builder participation in RESNET® programs and establishing a robust energy code compliance program, aiming for significant progress in the next year. Paueltte's LinkedIn: https://www.linkedin.com/in/paulette-mcghie-b4675516/ Ryan's LinkedIn: https://www.linkedin.com/in/ryan-meres-58977110/ RESTalk: To the RESNET community, we hear you and want to engage. Learn more at www.RESNET.us. Or for more info on this topic, contact RESNET at INFO@RESNET.US