Episodios
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In this episode of the Building HVAC Science Podcast, hosts Bill Spohn and Eric Kaiser sit down with Silas Hoeppner, a passionate advocate for building performance and HVAC design, to explore his unconventional career journey in the industry.
Silas shares his story of starting in his family's insulation business, transitioning through various roles in energy ratings, HVAC consulting, and contracting, and ultimately finding his niche at Modern Heating and Air Conditioning in Iowa. He details the challenges he faced, such as battling imposter syndrome and the steep learning curve of technical design, while also emphasizing the importance of connecting technical expertise with people-centric solutions.
Silas offers valuable insights for technicians, focusing on blending technical know-how with clear, relatable communication to homeowners and stakeholders. He highlights the lasting impact of programs like HVAC SAVE and the evolving importance of addressing comfort, durability, and health in building performance. Silas also shares personal lessons about confidence, mental health, and humor in professional growth, encouraging listeners to embrace their individuality while staying committed to learning.
Learn more about Silas here: https://www.linkedin.com/in/silasjames/
This episode was recorded in November 2024.
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In this episode of the Building HVAC Science podcast, co-hosts Bill Spohn and Eric Kaiser are joined by Eric's father, Mark Kaiser, for a special father-son discussion. Mark shares his experiences with building and improving a unique energy-efficient home in Carlinville, Illinois. His journey began in the late 1970s, when he retrofitted a modest house to reduce energy consumption using insulation, solar energy, and a variety of unconventional methods. Mark talks about his motivation for energy efficiency, stemming from his role overseeing utilities at Blackburn College, where he gained valuable insights into energy management and building systems.
Throughout the conversation, Mark delves into the construction techniques he employed, including double wall construction for added insulation, using solar heat gain, and even creating a thermal mass storage system with water-filled milk jugs to retain heat. He explains how he balanced various heating systems, such as solar, wood, and natural gas, and how his hands-on approach—digging around the foundation, raising the roofline, and using sustainable materials—resulted in a home that remains energy-efficient to this day. The Kaisers also touch on innovative electrical systems, such as 12-volt and 24-volt setups, and how these have helped keep energy costs low.
Mark’s deep understanding of thermal mass, energy usage, and alternative construction methods highlights the importance of thoughtful, sustainable home design. As the discussion wraps up, Mark reflects on the lessons learned from maintaining and improving his home over the years, emphasizing the ongoing challenges of perfecting energy-efficient construction. The conversation offers listeners a unique blend of family history, practical tips, and a deep dive into the technical aspects of home energy management.
The DC Freezer Mark mentioned www.sundanzer.com
The paper on the Lo-Cal House may be found here: https://www.ideals.illinois.edu/items/54705
This episode was recorded in October 2024.
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In this episode of the Building HVAC Science podcast, Bill Spohn and Eric Kaiser welcome Derek Cowburn, founder of Lumen Cache, to discuss his journey from building automation in pharmaceutical facilities to pioneering smart DC power systems for homes and offices. Derek shares how his background in building controls and automation influenced his development of Lumen Cache; a company focused on creating a smart infrastructure that integrates DC power to drive lighting, sensors, and automation. He explains the advantages of DC power, especially as modern buildings transition to solar panels, batteries, and increasingly DC-centric electronics.
Derek explores the challenges of mainstreaming smart building technologies, particularly overcoming builders' concerns with reliability, cost, and installation ease. Lumen Cache's innovative modular plug-and-play system simplifies integration for builders and offers adaptability for future technology upgrades, unlike traditional AC systems. Derek also highlights the potential of integrating indoor air quality and energy management sensors, envisioning homes and offices that are "smart from the start" without the need for complex retrofits.
Throughout the conversation, Derek discusses his experiences in Shenzhen, China, leveraging the city's manufacturing ecosystem to scale production while planning to expand globally. The episode wraps up with Derek’s vision for the future—an interconnected ecosystem of smart devices that support energy efficiency and comfort, driven by Lumen Cache’s evolving infrastructure. He invites listeners to explore their new generation product, ReNetA, and looks forward to a follow-up conversation to share future developments.
Derek’s LinkedIn: https://www.linkedin.com/in/derekcowburn/
YouTube channel:https://www.youtube.com/@LumenCache
The System Design Tool Derek spoke of: https://youtu.be/ZCHEFiY5Bf0?si=4oqtf3jObVJEPV4O
Website: https://www.lumencache.com/
Company Linkedin: https://www.linkedin.com/company/lumen-cache-inc-lumencache-/about/
Derek’s LinkedIn: https://www.linkedin.com/in/derekcowburn/
Contact: https://www.lumencache.com/contact
This episode was recorded in October 2024.
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In this episode of the Building HVAC Science podcast, Eric Kaiser takes the lead in interviewing three guests from the ROCIS (Reducing Outdoor Contaminants in Indoor Spaces) initiative: Linda Wigington, Bill Collinge, and Rhett Major. Linda introduces ROCIS, sharing its 10-year mission to help participants monitor and improve indoor air quality, particularly in areas with poor outdoor air. The initiative, primarily focused in southwestern Pennsylvania, involves virtual cohorts where participants use low-cost monitors to track air quality and receive guidance to improve it.
Bill Collinge discusses the differences between low-cost and high-end air quality monitors, explaining how ROCIS focuses on measuring particles and carbon dioxide. He describes how the cohort process helps participants compare outdoor air quality with indoor conditions, assessing how well homes filter and ventilate air. Bill also highlights how data collected across multiple homes helps identify patterns and informs recommendations for improving air quality, while Rhett Major explains the process of air handler interventions. By testing static pressure and airflow in HVAC systems, Rhett helps participants optimize their systems to run more efficiently and reduce energy consumption while improving air quality.
The guests discuss key takeaways from the program, including the importance of filtration, proper HVAC system setup, and the potential health benefits of reducing particulate matter indoors. They emphasize the need for proper system commissioning and the challenges of engaging HVAC contractors in this work. In closing, the team shares their hopes to expand ROCIS principles and interventions beyond Pennsylvania and offer guidance to those interested in healthier, more energy-efficient homes.
LinkedIn:
Linda: https://www.linkedin.com/in/linda-wigington-b28a98a/Rhett: https://www.linkedin.com/in/rhett-major-85887a10/
Bill: https://www.linkedin.com/in/billcollinge/
Facebook: https://www.facebook.com/rocispgh
Website: https://rocis.org/
This episode was recorded in October 2024.
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In the Building HVAC Science Podcast episode, hosts Bill and Eric are joined by Thomas "Huff" Hoffmaster, II to discuss his experiences transitioning from a technician to tech support and eventually into training and consulting. Huff shares his journey through the HVAC industry, beginning with his early exposure to sheet metal work through his family, moving into service because of his love for solving complex problems, and finally settling into tech support roles for major companies like Carrier and York. His passion for teaching and positively impacting the industry eventually led him to pursue freelance training and consulting, focusing on improving skills across the HVAC workforce.
The conversation delves into the systemic issues within the HVAC industry, particularly around training, communication, and accountability. Huff emphasizes that many problems in HVAC installations stem from a lack of fundamental training and poor communication between sales, installation, and service teams. He points out how often HVAC systems are not installed according to best practices or adjusted properly to meet site-specific needs, leading to performance issues and callbacks. Huff also highlights the critical importance of technicians taking responsibility for their education, utilizing the wealth of resources available today, including tools like Measure Quick, which can elevate the consistency and accuracy of HVAC service work.
Finally, Huff discusses the significance of addressing the root causes of issues rather than just the symptoms. He suggests that HVAC companies should develop protocols for analyzing callbacks to truly understand where mistakes originate—whether from lack of training, rushed installations, or poor management. By adopting a more systemic approach, companies can reduce errors, improve performance, and ultimately provide better service to their customers. Huff's insights encourage technicians and business owners alike to focus on quality, training, and effective communication to drive success in the HVAC industry.
Huff’s Linked: https://www.linkedin.com/in/thomas-huff-hoffmaster-ii-766b3a36/
Huff’s YouTube channel: https://www.youtube.com/@hvactalkwithhuff1379
Huff’s email: [email protected]
This episode was recorded in September 2024.
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In this episode of the Building HVAC Science Podcast, co-hosts Eric Kaiser and Bill Spohn interview Elana Day and her father Jordan Day, creators of the YouTube channel Little Miss Fix It. At just 12 years old, Elana has achieved remarkable feats, including passing the EPA-608 certification, possibly making her one of the youngest certified HVAC technicians. The conversation highlights Elana’s growing interest in HVAC, her passion for science, and how her curiosity and hands-on learning led her to explore technical trades.
Elana shares her experience preparing for the EPA certification through a month-long study program, aided by her father and supplemental resources like YouTube. Her keen interest in topics such as atmospheric pressure and vacuum systems reflects her deep engagement with HVAC concepts. Elana also discusses her excitement for future projects, including using her new 3D printer, exploring welding, and continuing hands-on building projects.
Jordan, her father, describes how he supports Elana’s learning by letting her safely experiment with tools and guiding her through various projects. Both emphasize the importance of encouraging young people to explore trades and follow their passions. The episode concludes with Elana offering inspiring advice to listeners, encouraging them to pursue their dreams and continue searching for what excites them.
Jordan Day’s Linked: https://www.linkedin.com/in/jordan-day-93590220b/
You can find Elana doing her thing on YouTube at this link
https://www.youtube.com/channel/UC1PLmZrxcVu09_rWjy1YkmAOr by searching for Lil'MissFixIt on YouTube
This episode was recorded in September 2024.
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In this episode of the Building HVAC Science Podcast, Eric Kaiser is joined by Marco Radocaj from Balance HVAC, who shares insights into his HVAC journey. Marco starts by discussing his background, from an unexpected entry into the HVAC field through his father-in-law's air conditioning company to learning on the job as a new technician with no prior experience. His humorous story of hosing off a generator during his first day illustrates his initial lack of HVAC knowledge and the steep learning curve he faced.
Marco explains the philosophy behind Balance HVAC, emphasizing their commitment to improving how homes are balanced regarding enclosure, occupants, and mechanical systems. He highlights the importance of addressing more than just the cooling function, aiming for a holistic approach to home comfort, where systems are measured and fine-tuned to optimize airflow and insulation. He shares his experiences transitioning from working in his family’s HVAC business to starting Balance HVAC, a new company focusing on thoughtful HVAC installation and attic restoration.
Throughout the episode, Marco dives into attic restoration processes and how his team uses tools like thermal imaging and pressure balancing to ensure the homes they work on are more comfortable and efficient. He discusses the importance of communication with customers, sharing how Balance HVAC involves clients in the process by educating them on the science behind the solutions. The episode ends with Marco reflecting on his passion for elevating industry standards and his excitement about contributing to meaningful improvements in HVAC services.
Marco’s Business: https://www.balance-hvac.com/
Marco was interviewed by R and R magazine in June 2024:
https://www.randrmagonline.com/articles/90866-mold-and-the-need-for-attic-restorationMore on Balance’s approach:
We prioritize the thoughtful alignment of a home's enclosure and mechanical systems. Balance recognizes that homes built two decades ago were designed to "breathe," allowing for natural airflow to regulate temperature and moisture levels. However, modern construction methods and materials have shifted towards creating tighter homes that are not meant to breathe in the same way.This shift presents challenges, as features like energy-efficient windows, cooler attic environments due to improved roofing materials, and encapsulated attics can inadvertently lead to increased moisture, humidity, and environments conducive to mold growth. These issues can arise when homes are not properly aligned with modern building practices, potentially resulting in discomfort, poor indoor air quality, and health hazards.
Marco's deep understanding of how homes are designed to perform allows Balance to address these challenges effectively. By identifying homes that are underperforming or straddling building codes, Balance can implement attic restorations that ensure optimal environmental control. This means creating spaces that are not only comfortable but also dry and healthy for occupants.
Through a combination of optimal insulation techniques, strategic ventilation solutions, and moisture management strategies, Balance helps achieve the perfect balance between energy efficiency and indoor environmental quality. Their approach is tailored to each home's unique needs and budget, ensuring lasting improvements that enhance both comfort and peace of mind for homeowners.This episode was recorded in September 2024.
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In the latest episode of the Building HVAC Science Podcast, host Bill Spohn speaks with Ruchir Shah, founder of Skillcat, a mobile training platform for skilled trades. Skillcat offers around 1,500 hours of training in areas such as HVAC, plumbing, appliance and electrical work, and has successfully trained over 300,000 individuals in just three years. Ruchir explains that the platform began as a free resource to make training accessible, eventually transitioning to a subscription model costing $10 per person per month. The app includes comprehensive certification courses and features a unique asynchronous proctoring system for exams, allowing users to take assessments flexibly.
Ruchir shares insights into the challenges of building Skillcat, particularly the transition from a free service to a paid subscription, which required careful communication with users. Despite initial apprehensions, the decision has been met with support, contributing to the platform's rapid growth. He emphasizes the importance of user feedback, especially from skilled tradespeople, which has driven continuous improvements and high satisfaction ratings for the app.
The conversation also touches on Ruchir's journey into the trades sector, highlighting the surprising interconnectedness within the HVAC industry. Ruchir expresses his commitment to enhancing education and training for tradespeople, believing that the future holds significant opportunities as the industry addresses workforce shortages. He encourages listeners to explore Skillcat, emphasizing the potential for career growth and job satisfaction in the trades.
Ruchir’s LinkedIn: https://www.linkedin.com/in/ruchirshah2/
SkillCat website: https://www.skillcatapp.com/
This episode was recorded in September 2024.
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In this episode of the Building HVAC Science podcast, Bill Spohn and co-host Eric Kaiser welcome Steve Byers from Energy Logic in Colorado. Steve shares his background and discusses his company's focus on energy ratings, sustainability work, and program compliance, such as Energy Star and DOE Zero Energy Ready programs. He explains how Energy Logic operates across Colorado and Hawaii, working primarily in new home construction while also addressing commercial and multifamily projects. Steve highlights the core role his company plays in ensuring that homes are built for optimal energy efficiency, comfort, and sustainability, which many builders may not prioritize due to their focus on completing projects.
Steve delves into the challenges faced by energy raters, particularly in the field of new construction. He explains how construction trends and the role of project managers have evolved, with managers overseeing more homes than ever before. This increase has led to greater pressure on quality control and the need for energy raters to ensure homes meet energy efficiency standards. He touches on the disconnect between the work of raters and the awareness of homebuyers, emphasizing that most homebuyers are unaware of the value energy raters bring unless they’re educated about the benefits of energy-efficient homes.
The conversation shifts toward industry trends, including modular construction and advancements in heat pump technology. Steve expresses excitement about the innovation in the modular off-site construction space and the potential for cost reduction in homebuilding. He also discusses the evolving HVAC standards and the integration of commissioning practices like the ACCA 310, which presents challenges for raters and HVAC companies alike. The podcast closes with a reflection on the importance of communication and collaboration between HVAC professionals, builders, and energy raters to ensure better, more efficient, and comfortable homes.
Steve’s LinkedIn: https://www.linkedin.com/in/stevebyers/
Steve’s email: [email protected]
Energy Logic website: https://theenergylogic.com/
RaterFest website: https://theenergylogic.com/services-for-energy-professionals/raterfest/
This episode was recorded in September 2024.
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In this episode of the Building HVAC Science Podcast, host Bill Spohn is joined by co-host Eric Kaiser and guest Russ King to discuss various aspects of HVAC design, focusing on the complexities and updates to Manual S, a critical document for HVAC equipment selection. Russ King shares his extensive background in building energy modeling and HVAC design, including his journey from traditional HVAC methods to co-founding Coded Energy, a company that developed Kwik Model 3D, a 3D modeling software for load calculations, which has greatly simplified and improved the accuracy of HVAC designs.
The conversation delves into the intricacies of Manual S, highlighting how it has evolved to better address modern challenges in HVAC design, particularly with the rise of variable speed equipment and the need for more precise dehumidification strategies. The guests discuss the importance of proper equipment sizing to ensure comfort and efficiency, and they explore how Manual S provides a structured approach to this process. They also touch on the challenges contractors face in following these guidelines, noting that despite the benefits, a relatively small percentage of designs adhere strictly to Manual S due to a lack of awareness or understanding within the industry.
The episode concludes with insights into practical HVAC design challenges, such as thermostat placement and the importance of air distribution, emphasizing the need for continuous learning and application of best practices. Both Eric and Russ stress the value of using accurate data and following established guidelines to improve the overall quality and performance of HVAC systems, urging listeners to engage with the math behind the designs and to collaborate with others in the industry to refine their skills.
Russ’ LinkedIn: https://www.linkedin.com/in/russell-king-m-e-70342913/
Kwik Model 3D website: https://kwikmodel.com
Downloadable Manual S: https://www.acca.org/standards/technical-manuals/manual-s
SpeedSheets downloads
https://www.acca.org/standards/speedsheets/speedsheets-download?submissionGuid=645e594e-00c3-4006-8983-086f39f6fd35
ACCA Approved software:
https://www.acca.org/standards/approved-software
The Structure and “path” of using ACCA manuals in Residential and Commercial Applications:
https://www.acca.org/standards/technical-manuals
Overview of Manual S:
https://www.viridiant.org/wp-content/uploads/2022/01/Manual-S-Brochure_.pdf
Free Online Sizing calulator:
https://www.loadcalc.net/sizing.php
An Overview of Manual S:https://www.load-calculations.com/what-is-acca-manual-s-.html
This episode was recorded in August 2024.
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In this episode of the Building HVAC Science Podcast, hosts Eric Kaiser and Bill Spohn are joined by Chris and Cheryl Moore, the founders of Harmony Turbines, to discuss their innovative approach to wind energy. Chris and Cheryl share the origin story of Harmony Turbines, which started as a personal project in Chris’s basement, driven by his desire to create a quieter, more efficient wind turbine that could operate in lower wind conditions compared to traditional propeller turbines. They explain the challenges they faced, particularly in moving from a small-scale DIY project to a legitimate business venture, which included learning about equity crowdfunding and establishing the necessary corporate structures to raise funds.
The Moores delve into the technical aspects of their turbines, explaining how Harmony’s design differs from traditional wind turbines. They describe it as a modified Savonius vertical axis wind turbine with a unique helix twist, allowing it to capture wind from any direction and self-regulate its speed in high wind conditions by furling its blades. This furling capability, inspired by the yin and yang symbol, sets Harmony Turbines apart, offering a way to protect the turbine from damage while continuing to generate energy. They also discuss the ongoing development of their patented variable air gap generator, which promises greater efficiency but has been challenging to perfect and integrate with the turbine.
Towards the end of the discussion, the Moores emphasize that Harmony Turbines is still in the research and development phase, and they are actively raising funds through StartEngine to continue their work. They invite listeners to consider investing in their company, highlighting that even small contributions can help them advance their innovative technology. The episode wraps up with a call to the audience to support or at least learn more about the groundbreaking work being done at Harmony Turbines.
Chris’ LinkedIn: https://www.linkedin.com/in/creatingmoore/
Harmony Wind Turbines website: https://harmonyturbines.com/
Start Engine investment page: https://www.startengine.com/offering/harmony-turbines
Harmony’s YouTube: https://www.youtube.com/@HarmonyTurbines
Harmony’s patent: https://patents.google.com/patent/US10724502B2/en
Email address: [email protected]
This episode was recorded in August 2024.
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In the recent episode of the Building HVAC Science Podcast, hosts Eric Kaiser and Bill Spohn welcome Brynn Cooksey, the owner of Air Doctors Heating and Cooling. Brynn, who is deeply involved in the HVAC industry and building performance, shares his journey from growing up in a family-run HVAC business to becoming an influential figure in the industry. He recounts how his early exposure to the field through his parents' business and subsequent work with a utility company helped shape his career. Brynn emphasizes the importance of continuous learning and the significant impact organizations like the Refrigeration Service Engineers Society (RSES) have had on his professional development.
Brynn discusses his transition from a traditional HVAC service model to a more comprehensive home performance approach, influenced by his training in building science. He explains how his company now incorporates advanced diagnostic tools and techniques, such as blower door tests and combustion analysis, to offer more holistic and energy-efficient solutions to their customers. Brynn's dedication to building science and performance has led to his company rebranding and expanding their services to include shell modifications, insulation, and air sealing.
The podcast also highlights Brynn's efforts in workforce development through his training organization, HVACU, which addresses the shortage of skilled workers in both HVAC and building science. Brynn's involvement with educational initiatives like HeatSpring and his role in a new software venture, Pearl Edison, demonstrate his commitment to advancing industry standards and training the next generation of HVAC professionals. His emphasis on proper training, communication, and the use of advanced technology underscores his approach to business and his contributions to the industry.
Brynn’s LinkedIn: https://www.linkedin.com/in/brynn-cooksey-sr-cem-cms-1968a72a/
Byrnn’s website: https://www.airdoctorshvacservice.com/
HVACU: https://www.hvactrain.com/
PearlEdison: https://www.pearledison.com/
HeatSpring learning:https://www.heatspring.com/
Brynn’s courses at HeatSpring: https://www.heatspring.com/courses?query=brynn&button=
GoldmanSachs 10,000 Small Businesses Program that Both Byrnn and Bill took part in: https://10ksbapply.com/
BSP: Building Science Principles:
The Certificate: https://bsp.bpi.org/portal/bsp/The Book: https://trutechtools.com/BPI-BSP-GUIDE
This episode was recorded in July 2024.
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In this episode of the Building HVAC Science Podcast, Bill Spohn and Eric Kaiser discuss their recent experiences at industry events, particularly the Westford Symposium on Building Science, also known as Building Science Summer Camp. They reflect on the event's unique blend of technical presentations and social interactions, highlighting the presentation by Keith Simon on the longevity of building designs and the importance of balancing aesthetics with functionality. The discussion emphasizes how architecture should prioritize craft and function to ensure the longevity and sustainability of buildings.
Eric also shares his insights on another compelling presentation by Steve Baczek, who stressed the importance of clear communication in architectural drawings. Baczek's approach underlines the necessity for architects to convey their intentions precisely to ensure that contractors can execute designs effectively. This conversation leads to a broader discussion on how crucial it is for the HVAC industry to embrace detailed and thoughtful design practices to improve system performance and occupant comfort.
The episode concludes with a look at the social side of these events, where industry professionals from around the world gather to exchange ideas and experiences. The hosts emphasize the value of continuous learning and engagement within the industry, encouraging listeners to seek out educational opportunities and resources to stay informed and improve their professional practice.
Eric’s LinkedIn:https://www.linkedin.com/in/eric-kaiser-323a1563/
Bill’s LinkedIn: https://www.linkedin.com/in/billspohn/
Building Science Corporation link to Summer Camp Slides: https://buildingscience.com/past-events
This episode was recorded in August 2024.
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In this episode of the Building HVAC Science Podcast, hosts Bill Spohn and Eric Kaiser engage in a lively "duo cast" discussing the various measurements they take in their homes and the reasons behind them. They start the conversation by reflecting on their recent episode with Gary Klein, which inspired Eric to set up a data logging system to monitor hot water temperatures in his home. This leads to a broader discussion about the different tools and devices they use to track energy consumption and efficiency, such as the Emporia Vue energy monitor, which helped Bill identify a faulty installation in his heat pump system.
The hosts delve into their personal experiences with various smart home devices, including air quality monitors from Airthings, radon monitors, and even an innovative weather station called Tempest. They share insights on how these devices have provided valuable data, helping them make informed decisions about their home's energy use and indoor air quality. Bill highlights his use of an ERV system that runs based on CO2 levels. At the same time, Eric discusses his plans to upgrade his home's ventilation and dehumidification systems using the Haven air quality monitor.
Toward the end of the episode, Bill and Eric discuss their use of fitness trackers, discussing the metrics they monitor for personal health. Bill also mentions his latest acquisition, a Bluetooth meat probe, which he plans to use to perfect his grilling techniques. The episode wraps up with the hosts emphasizing the importance of integrating monitoring tools into everyday life to enhance comfort, efficiency, and well-being and inviting listeners to reach out for more information on the products discussed.
Contact us at
[email protected] LinkedIn: https://www.linkedin.com/in/billspohn/
[email protected] LinkedIn: https://www.linkedin.com/in/eric-kaiser-323a1563/
Take a look at what ROCIS (https://rocis.org/low-cost-monitoring-project/) is doing, especially concerning RADON: https://rocis.org/radon-resources/
EPA Radon map: https://www.epa.gov/radon/epa-map-radon-zonesThe spray foam attic ping pong effect: https://www.energyvanguard.com/blog/high-humidity-in-a-spray-foam-attic-part-2/
Products we mention in this podcast:
HAVEN IAQ monitors: https://trutechtools.com/haven
Airthings Radon CO2 and more: https://trutechtools.com/Airthings
Emporia Circuit Power Monitors and EV Chargers: https://www.emporiaenergy.com/
CERV2: Bill’s Conditioning ERV that uses a CO2 sensor to decide when to run: https://buildequinox.com/
Home weather station: https://shop.tempest.earth/products/tempest
Security cameras:
Eric’s: https://www.eufy.com/eufycam#navimenu_4_copyBill’s: https://www.wyze.com/products/wyze-cam
EcoQube Radon: https://ecosense.io/products/ecoqube
Aranet COs monitor: https://aranet.com/products/aranet4-home
Meater Bluetooth cooking thermometer: https://store-us.meater.com/products/meater-plus
Kardia portable 6 lead EKG: https://store.kardia.com/products/kardiamobile
Apple watch for fitness: https://www.apple.com/watch/
Home Automation: https://www.home-assistant.io/
This episode was recorded in July 2024.
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In this episode of the Building HVAC Science Podcast, hosts Bill Spohn and Eric Kaiser are joined by Gary Klein, a veteran in the field of energy conservation, particularly in hot water system design. The discussion begins with Klein explaining his innovative teaching method, using tape on the floor to illustrate the distances between water heaters and home fixtures. This method helps participants understand the time it takes for hot water to reach different parts of a house. Klein emphasizes the importance of efficient hot water system design, criticizing common practices that prioritize aesthetics over functionality.
The conversation then shifts to Klein's experiences and contributions to right-sizing plumbing systems, highlighting the inefficiencies in current standards based on outdated data. He discusses the development of the water demand calculator, a tool that more accurately estimates peak water demand and leads to more efficient pipe sizing. Klein provides examples of how modern buildings can significantly reduce their water supply infrastructure needs, using real data to support the argument for updating plumbing codes and practices to reflect contemporary water use patterns.
In the final segment, Klein shares personal anecdotes from his extensive career, including his time in Lesotho, where he implemented solar energy solutions. He reflects on his work in the United States, promoting the adoption of air-source heat pump water heaters and continuing to lead efforts in right-sizing plumbing systems. Klein also touches on his teaching philosophy, advocating for practical, evidence-based approaches to plumbing and energy conservation. The episode concludes with Klein urging industry professionals to integrate modern technologies effectively and to consider real-world usage patterns in their designs.
Gary’s LinkedIn: https://www.linkedin.com/in/gary-klein-b112592/
Gary’s website: https://www.garykleinassociates.com/
IAPMO Water Demand Calculator: https://www.iapmo.org/water-demand-calculator/
Larry Weigarten’s books mentioned in the episode:
The Water Heater Workbook: A Hands-On Guide to Water Heaters: https://a.co/d/g2vN6rt
The Philosopher's Wrench: Using Your Creativity, Heart & Tools to Fix the World: https://a.co/d/7zmtq5AThis episode was recorded in July 2024.
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In the latest Building HVAC Science Podcast episode, co-hosts Bill Spohn and Eric Kaiser welcome special guest Steven Rardon, a YouTube celebrity and owner of Smart Home Comfort. Rardon discusses his journey in the HVAC industry, which began at age 17, working for his girlfriend's father's small HVAC business. Over the years, Rardon transitioned through various roles from installer to service technician, eventually moving to North Carolina in 2005 to pursue better job opportunities. He faced numerous challenges but remained committed to improving his skills and knowledge, which led him to start his own company, Smart Home Comfort.
Rardon shares the pivotal moments that influenced his career, including his transition from Rardon Home Performance to Smart Home Comfort, driven by customer feedback and the need for a more marketable brand. He reflects on how he learned to value quality and service over speed and financial gain, a philosophy instilled by his first mentor. This approach has helped him build a business focused on long-term customer relationships and exceptional service. Rardon also emphasizes the importance of continuous learning and adapting to new technologies, significantly enhancing his ability to diagnose and solve HVAC problems.
The podcast also discusses Rardon's use of advanced testing and measurement tools, such as Measure Quick, to ensure precise and efficient service. He discusses the importance of having reliable digital tools and how they have transformed his work, allowing him to provide better service and maintain strong customer relationships. Rardon advises aspiring HVAC professionals to use modern learning resources and continually strive for excellence. His story underscores the value of perseverance, adaptability, and the pursuit of quality in building a successful career and business in the HVAC industry.
Stephen’s LinkedIn: https://www.linkedin.com/in/stephen-rardon-3a656886/
Smart Home Comfort website: https://callsmarthomenc.com/
Smart Home Comfort Facebook page: https://www.facebook.com/SmartHomeComfortNC
Stephen Rardon’s YouTube Channel:https://www.youtube.com/@StephenRardon
Corbett Lunsford’s HVAC installers list: https://homediagnosis.tv/hvac-installers
This episode was recorded in July 2024.
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In this episode of the Building HVAC Science Podcast, Eric Kaiser and Bill Spohn welcome Jim Bergmann as their special guest. The conversation kicks off with a discussion about Jim's well-known product, MeasureQuick, and its origins. Jim elaborates on the journey from his early work with performance and diagnostics using the iManifold to the development of MeasureQuick. The goal was to leverage smart tools and smartphones to perform complex calculations and diagnostics, making advanced performance measurements accessible to everyone in the HVAC industry.
Jim explains the evolution of MeasureQuick over the past 12-15 years, emphasizing its role in aggregating data from smart probes and tools to provide real-time performance calculations and diagnostics. He highlights the importance of setting measurement targets and using data trends to identify system faults. This approach helps technicians better understand system performance and make informed decisions. The discussion also touches on the challenges of balancing the needs of different user groups, including utility programs and field technicians, and the measures taken to maintain data integrity, such as the introduction of geotagged screenshots.
Towards the end of the podcast, Jim shares insights into his personal journey, including overcoming health challenges and delegating responsibilities within his organization. He discusses the importance of foundational HVAC knowledge and the value of MeasureQuick in providing just-in-time education to technicians. The episode concludes with updates on recent MeasureQuick features and improvements, including a new grid view and AI assistant to enhance user experience. Jim emphasizes the ongoing commitment to improving the HVAC industry through innovation and education, encouraging listeners to stay updated with the latest MeasureQuick developments.
Jim’s LinkedIn: https://www.linkedin.com/in/jim-bergmann-2968178/
measureQuick website: https://measurequick.com/
measureQuick YouTube Channel:https://www.youtube.com/@measureQuick
measureQuick products at TruTech Tools: https://trutechtools.com/MeasureQuick
This episode was recorded in July 2024.
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In this Building HVAC Science Podcast episode, hosts Eric Kaiser and Bill Spohn welcome Adam Chapman from HeatGeek to discuss his insights and experiences in the HVAC industry. Adam, based in the UK, shares his journey of establishing HeatGeek, which started as a blog and YouTube channel aimed at improving heating systems' efficiency and evolved into a comprehensive training and support network for heating engineers. He emphasizes the importance of proper installation and the high efficiency of heat pumps, even in older, less insulated homes, highlighting the significant impact well-trained engineers can have on system performance.
Adam explains the differences in terminology and industry practices between the UK and the US, noting that in the UK, the term "heating engineer" encompasses those who install and maintain heating systems. In contrast, the US uses "technician" more broadly. He describes HeatGeek as a movement focused on educating and empowering engineers through digital tools, training, and a supportive community. This approach ensures that engineers can provide the most efficient and effective heating solutions, ultimately benefiting consumers through reduced running costs and improved system performance.
The conversation also touches on the challenges and resistance Adam faced in promoting heat pumps and the importance of continuous monitoring and data analysis to improve system efficiency. Adam's vision for HeatGeek includes expanding to the US and fostering collaboration between the two regions to enhance the HVAC industry's overall quality and performance. He invites listeners to explore HeatGeek's resources and emphasizes the critical role of engineers in driving the transition to more efficient and sustainable heating solutions.
Adam’sLinkedIn: https://www.linkedin.com/in/adam-chapman-01046647/
HeatGeek website: https://www.heatgeek.com/
HeatGeek YouTube Channel:https://www.youtube.com/@HeatGeek/video
The Contest! : www.HeatPumpMonitor.org
This episode was recorded in July 2024.
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In this episode of the Building HVAC Science Podcast, hosts Eric Kaiser and Bill Spohn interview Karine LeBlanc, a distinguished engineer and international speaker. Karine shares her journey into the HVAC industry, which started under the influence of her father, an HVAC teacher and contractor. Despite her exposure to HVAC from a young age, she made an independent decision to pursue a career in the field after discovering the job security it offered. Her diverse career includes roles in engineering and sales, which allowed her to leverage both her technical skills and her extroverted personality.
Karine emphasizes the importance of networking in a technical industry like HVAC. She recounts her early days in Los Angeles, where she joined ASHRAE and became a reception chair, a strategic move that helped her build connections quickly. She highlights how networking has been crucial to her career, enabling her to form lasting professional relationships and gain credibility in her field. Karine also discusses the significance of virtual networking tools like LinkedIn and virtual meetings, which have expanded opportunities for connection and collaboration.
Towards the end of the interview, Karine touches on her experience as an author and speaker, sharing her motivations and challenges in writing her book. She advises listeners on the value of genuine networking, focusing on learning and building relationships rather than transactional interactions. Her approach to networking is driven by curiosity and a giving mentality, which she believes fosters a stronger, more connected industry. Karine's insights underline the impact of personal connections and continuous learning in professional growth.
Karine’s LinkedIn: https://www.linkedin.com/in/karinel/
Karine’s Book: https://a.co/d/01HKRqRR
Karine’s website: https://www.karineleblanc.com
Karine’s company:https://www.myiaire.com/
This episode was recorded in July 2024.
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In this Building HVAC Science podcast episode, hosts Eric Kaiser and Bill Spohn interview Dan Goodman from Building 36, a company specializing in connected home services. Dan explains the origin of the company's name, which is a nod to the MIT building where he studied electrical engineering and computer science. He shares his journey from working on semiconductors to co-founding a thermostat company and eventually creating Building 36. The company provides smart home solutions tailored for professional trades, aiming to enhance customer retention through advanced monitoring and maintenance plans.
Dan elaborates on the capabilities of Building 36’s connected thermostat and home monitoring system, highlighting its ability to control and monitor various aspects of the home, such as heating, cooling, lighting, and security. The system provides extensive benefits to homeowners and contractors by offering peace of mind through comprehensive monitoring and easy installation features. The company also integrates its services with professional maintenance plans, ensuring higher customer retention rates and consistent service quality.
Throughout the conversation, Dan emphasizes the advantages of partnering with Building 36, noting their strong engineering team, the seamless integration of their products, and the significant impact on the HVAC industry. He discusses the company's strategic move to manufacture products in Bulgaria for cost efficiency and the extensive R&D investments to ensure robust security and reliability. The episode concludes with a call for contractors to explore the benefits of integrating Building 36’s solutions into their offerings, promising a game-changing approach to smart home services and maintenance.
Dan’s LinkedIn: https://www.linkedin.com/in/dan-g-5305191/
Dan’s company: https://building36.com/
Dan’s bio
Dan Goodman is the co-founder and CEO of Building36. Dan founded Building36 to create smart home solutions that make homes safer, more comfortable, and energy efficient by designing them with the homeowner and service provider in mind.Dan has over 20 years of engineering and technology experience. Before Building36, Dan was an application engineer at Texas Instruments, founded a company that created the first Wi-Fi thermostat, and was head of sales for a startup company that helped pioneer Zigbee wireless technology.
Dan graduated from MIT with a degree in electrical engineering and computer science.
This episode was recorded in July 2024.
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