The Heat Pump Podcast discusses all things related to heat pumps. We cover: HVAC entrepreneurship, business operations, technology innovations, building science, how policy impacts both contractors and homeowners, and more.
Our goal is to ensure that the transition to heat pumps for heating and cooling is a win for everyone – homeowners, contractors, and the planet – by sharing insights, learnings, and best practices.
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Données mises à jour le 04/07/2026
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Corbett Lunsford on Arming Homeowners with the Knowledge they need to get the HVAC systems they deserve
Saison 2 · Épisode 8
mercredi 16 avril 2025 • Durée 53:33
Looking to stand out in the competitive Heat Pump market? Learn from the best with our FREE e-book on in-home heat pump sales. Get it today: https://bit.ly/Top_10Heat_pumpSalestips
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In this episode of the Heat Pump Podcast, hosts Ed Smith and Eric Fitz welcome Corbett Lunsford, a building science expert and host of the PBS show Home Diagnosis, to discuss the importance of scientific approaches in HVAC, the power of testing, and how to navigate the industry with confidence.
Corbett shares insights on tools like blower doors, RED Calc and his own psychrometric wheel. With years of experience in building science, he brings a fresh perspective on how proper testing and measurement can significantly improve HVAC performance and efficiency.
This episode is packed with valuable information for HVAC professionals, contractors, and anyone passionate about building science. Tune in to gain expert knowledge that can help you refine your approach, deliver more comfort to homeowners, and better explain your solution to your customers.
Expect to Learn:
Airtight homes are essential for comfort, efficiency, and health – don’t fear tight construction, just ventilate properly.
Homeowners are increasingly well-informed, and HVAC pros should be ready to engage with curious, educated clients.
Building performance starts with the enclosure; HVAC systems must be designed with the current and future envelope in mind.
Testing tools like blower doors are critical to uncover hidden issues and verify system performance.
Proper HVAC installations begin with proper design. “The box” is nothing without accurate Manuals J, S, D, and understanding room behavior.
Fast rebate programs without proper testing risk widespread system failures.
Episode Breakdown:
[00:00] - Introduction of the episode.
[01:17] - Corbett’s Background
[04:34] - The Importance of Testing in HVAC
[06:52] - Essential Tools for Building Performance Analysis
[13:44] - Common Industry Misconceptions
[17:07] - The building envelope comes first; HVAC must work with it, not around it.
[22:57] - Blower door and pressure tests reveal issues you can’t see.
[32:13] - Great installations begin with smart HVAC design.
[46:37] - The Role of Consumer Education
[50:03] - Closing Remarks and Where to Connect with Corbett
[50:59] - Free Resources and Tools for HVAC Professionals
The bumps, bruises, and lessons learned of scaling a home performance business to $150M with Chris Nichols
Saison 2 · Épisode 7
mercredi 2 avril 2025 • Durée 40:28
Looking to stand out in the competitive Heat Pump market? Learn from the best with our FREE e-book on in-home heat pump sales. Get it today: https://bit.ly/Top_10Heat_pumpSalestips
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In this episode, Ed Smith and Eric Fitz, co-founders of Amply Energy, speak with Christopher Nichols, COO of HomeWorks Energy, about the challenges and strategies behind scaling a home performance business. Chris shares how HomeWorks Energy grew from 10 people to a 750 person company generating $150 million in revenue all while maintaining a strong focus on energy efficiency, heat pumps, and customer service.
Chris explains how to build a talent machine in the HVAC industry, the importance of training, and the role of technology in scaling operations while maintaining quality. He also shares key lessons from his own career journey, including the mistakes and successes that shaped HomeWorks into the thriving company it is today.
Whether you're in heat pumps, weatherization, home energy efficiency, or just looking to scale a service-based business, this episode is full of valuable tips on growth, leadership, and operational efficiency.
Expect to Learn
How HomeWorks' focus on "energy efficiency simplified" helped drive its rapid expansion.
How critical it was to “crack the code on marketing” over and over as the company grew
The critical role of training in the HVAC industry and why HomeWorks created its own hands-on training program.
How HomeWorks grew to 750+ employees and $150M revenue without outside investment.
Lessons learned from building an HVAC team and why expertise matters.
How HomeWorks leverages software to streamline solution-design, quoting, scoping, and quality control.
The Practice and Philosophy of Building Science – A Discussion with Alex Meaney and Nate Adams
Saison 2 · Épisode 6
mercredi 19 mars 2025 • Durée 54:29
Looking to stand out in the competitive Heat Pump market? Learn from the best with our FREE e-book and transform your approach to in-home heat pump sales. Get it today:https://bit.ly/Top_10Heat_pumpSalestips
In this episode of The Heat Pump Podcast, hosts Ed Smith and Eric Fitz sit down with HVAC experts Alex Meaney and Nate Adams to discuss the building science, heat pump sizing, HVAC design, dehumidification, rebates, manufacturer data, the challenges of industry regulations, and a whole lot more.
Alex and Nate are two of the most experienced and brilliant folks in building performance, home retrofits, and HVAC system design. Alex and Nate come at things from different perspectives, and what unfolds is a fascinating discussion at the bleeding edge of building science., Alex and Nate share valuable knowledge on load calculations, heat pump rebates, efficiency metrics, and the real world challenges of transitioning to all electric homes. They also discuss common mistakes in heat pump installations, the role of data in HVAC advancements, and the limitations of current efficiency standards. Whether you're an HVAC contractor, energy consultant, or homeowner interested in heat pumps, this episode provides thought provoking discussions and actionable insights for navigating the evolving world of heating and cooling.
Key Takeaways:
Why proper heat pump sizing is crucial and how incorrect sizing impacts heating, cooling, and dehumidification.
The challenges of balancing latent (moisture removal), sensible (cooling), and heating loads in heat pump systems.
The Beauty of Dual Fuel Solutions with Mike Gundersen
Saison 2 · Épisode 5
mercredi 5 mars 2025 • Durée 43:22
Looking to stand out in the competitive Heat Pump market? Learn from the best with our FREE e-book and transform your approach to in-home heat pump sales. Get it today: https://bit.ly/Top_10Heat_pumpSalestips
In this episode of the Heat Pump Podcast, hosts Ed Smith and Eric Fitz, co-founders of Amply Energy, sit down with Mike Gundersen, owner of Compass Heating and Air Conditioning and HVAC dual fuel expert from the Chicago area. Mike shares his journey from the military to leading a successful HVAC business, focusing on doing things the right way.
With extensive experience in the field, including a significant focus on heat pump technology and dual fuel systems, Mike shares his expertise on why heat pumps win on comfort. He discusses the technical aspects of heat pump installations, the benefits of dual-fuel systems, and how he has built his business gradually, focusing on doing the basics right consistently.
Mike’s expertise is not only in the installation but also in the practical application of heat pump systems in various environments, emphasizing how proper system design can lead to significant improvements in comfort and customer satisfaction – in addition to efficiency savings.
Expect to Learn
Mike’s journey to building an HVAC company that does things the right way consistently
The advantages of dual-fuel systems over traditional HVAC setups.
Why no one should be installing traditional AC units anymore
Expert advice on the installation and maintenance of heat pump systems.
The Nuances of Heat Pump System Design with Eric Kaiser
Saison 2 · Épisode 4
mercredi 19 février 2025 • Durée 01:03:34
In this episode the hosts Ed Smith and Eric Fitz from Amply Energy sit down with Eric Kaiser (aka ELK), a leading voice and trainer in the HVAC space. Known for his dynamic and insightful presentations at virtually any and all HVAC events, ELK shares his journey from growing up around creative energy solutions to becoming the Industry Engagement Manager at TruTech Tools. With a passion for teaching and decades of hands-on experience in HVAC and building performance, Eric offers valuable insight into heat pump performance, system design, and optimizing home comfort.
Whether you're an owner, Comfort Advisor, tech, or even homeowner, this episode has deep knowledge about complexities of heat pump technology, debunking myths, and providing actionable strategies for better performance and comfort.
📚 Expect to Learn
An overview of ACCA’s residential system design process (Manuals RS, J, Zr, T, S, D and B)
The nuances of heat pump performance and why load calculations are never perfect.
How to optimize HVAC systems for comfort, efficiency, and cost-effectiveness.
The importance of not just equipment sizing and selection, but also air distribution in achieving home comfort.
How to handle homeowner expectations and the role of rebates in HVAC decisions.
Practical strategies for managing heat pump defrost cycles and avoiding common installation pitfalls.
⏳ Episode Breakdown with Timestamps ⏳
[00:00:42] - Introduction to the Heat Pump Podcast & Eric Kaiser ("Elk")
[00:01:46] - Eric's Backstory
[00:05:04] - Transitioning to Training and Industry Engagement
Using Performance Data to Maximize Efficiency and Electrify Homes with John Semmelhack
Saison 2 · Épisode 3
mercredi 5 février 2025 • Durée 55:47
In this episode of the Heat Pump Podcast, co-hosts Ed Smith and Eric Fitz dive into the fascinating world of low-load homes and home electrification with John Semmelhack, a home performance expert and co-owner of The Comfort Squad. They explore the evolving landscape of energy-efficient HVAC systems and discuss practical solutions for retrofitting homes and embracing electrification.
John shares his extensive experience in HVAC system design, energy-efficient building practices, and transitioning homes to full electrification. Whether you're a homeowner, contractor, or energy fan, this episode provides valuable insight into the future of efficient homes, with a particular focus on heat pump systems.
John Semmelhack is a seasoned professional in home performance and HVAC system design. As the co-owner of The Comfort Squad, a leading contracting firm specializing in energy-efficient solutions in Virginia, John has worked extensively on retrofitting homes, optimizing HVAC systems, and promoting electrification. With over 15 years of experience, his expertise ranges from passive house consulting to designing state-of-the-art heat pump systems. A champion of clean energy, John is passionate about sustainable living and empowering homeowners to embrace efficient, all-electric solutions.
📚 Expect to Learn
The basics of heat pumps and why they are more than viable for all climates in the U.S.
Challenges and solutions in retrofitting existing homes with heat pump technology
How to right-size HVAC systems for maximum efficiency and comfort
How to slow down a sales process, collect actual data on the home’s loads, and become a “race of one” with a customer
Why “sizing it tight” and “designing by the book” is not as scary at is it seems once you start collecting actual performance data on HVAC systems
Don’t confuse with jargon. Understand through questions. Design and sales advice with Silas Hoeppner
Saison 2 · Épisode 2
mercredi 22 janvier 2025 • Durée 01:14:09
In this episode of The Heat Pump Podcast, co-hosts Ed Smith and Eric Fitz welcome Silas Hoeppner, a building performance expert and resident “Air Space Archaeologist” at Modern Heating and Air Conditioning. Silas shares his journey from working in his family’s insulation business in Iowa to becoming a leading HVAC consultant. He delves into the importance of airflow, designing efficient heat pump systems, and how connecting emotionally with clients and asking question after question builds trust and enhances the customer experience.
The discussion emphasizes actionable strategies for simplifying technical sales, improving system performance, and overcoming myths about heat pumps. Silas brings a wealth of field-tested insights to inspire HVAC professionals to elevate their craft.
📚 Expect to Learn
⚫ Why airflow is the foundation of high-performing heat pump systems.
⚫ How smaller, well-designed heat pumps outperform oversized systems in modern homes.
⚫ The power of asking questions to uncover customer pain points and build trust.
⚫ Practical tips for simplifying complex HVAC concepts for homeowners.
⚫ Strategies for addressing heat pump misconceptions, especially in cold climates.
⏳ Episode Breakdown with Timestamps ⏳
[00:00:52] - Introduction
[00:01:50] - Silas’ Journey
[00:06:05] - Early Lessons in Comfort and Airflow
Rapidly Scaling a Heat Pump Business from 0 to 27 Trucks in Four Years - with Mike Missimer
Saison 2 · Épisode 1
mercredi 8 janvier 2025 • Durée 01:02:49
In this episode of the Heat Pump Podcast, co-hosts Ed Smith and Eric Fitz are joined by Mike Missimer, an HVAC industry veteran and principal owner of MGI Mechanical Services. The conversation dives into how Mike leveraged decades of experience to build a thriving heat pump-focused business during the pandemic. They explore the nuances of starting a business, designing efficient heat pump systems, and managing rapid growth—all while navigating the challenges of running a company at higher altitudes and in a rapidly changing energy landscape.
Mike Missimer is the principal owner of MGI Mechanical Services, an HVAC company specializing in heat pumps and energy-efficient systems. With a career spanning nearly three decades, Mike has been instrumental in advancing building science principles, writing green building codes, and educating the next generation of HVAC professionals. Based in Colorado, he has expanded MGI to a multi-division company with a strong focus on innovation, customer relationships, and industry leadership.
📚 Expect to Learn
⚫ The unique challenges and opportunities of launching an HVAC business during a crisis like the pandemic.
⚫ Insights into Mike’s differentiated, analytical, high-performance in-home sales and design process
⚫ Insights into heat pump design at high altitudes and how environmental factors affect system performance.
⚫ Strategies for educating and training teams to embrace building science principles.
⚫ Lessons on scaling a business sustainably while managing rapid growth and internal restructuring.
⚫ The importance of customer-centric design and communication in differentiating from competitors.
Top 10 lessons from the Heat Pump Podcast in 2024
Saison 1 · Épisode 16
samedi 21 décembre 2024 • Durée 36:42
We (Eric and Ed) started the Heat Pump Podcast on a whim. After two years immersed in HVAC, heat pumps, and home electrification, we had a realization: there’s a lot of great HVAC content out there, but heat pump-focused conversations? Surprisingly scarce.
This didn’t sit right with us.
Aren’t heat pumps the best HVAC equipment on the market today?
So why was the discussion around them so… occasional?
To see if we could change that, we launched the Heat Pump Podcast as an experiment. What’s happened since has blown us away.
What We’ve Learned
After 7 months, 15 episodes, a rapid rise in listeners, and great feedback from heat pump-focused entrepreneurs, we took a moment to reflect. In this latest episode, we compare notes and share the biggest lessons we’ve learned along the way. Such as:
1. We love it. Turns out, we’d do this even if no one listened. Every episode has been an incredible learning experience.
2. There are way more heat pump-focused entrepreneurs than we imagined!
3. Designing for heat pump systems is way harder than conventional equipment
4. You can't make up for bad design
5. Focusing on heat pumps creates a winning business
6. Heat pumps. Are. More. Comfortable. Period.
Tune in to the episode for our top 10 lessons from the Heat Pump Podcast Season 1!
A Heartfelt Thanks
To our incredible guests: thank you for taking a chance on two heat-pump-obsessed entrepreneurs with a niche podcast idea. Your time and insights have made every episode richer.
Mark Kasdorf wants to build a $1B+ heat pump business
Saison 1 · Épisode 15
vendredi 6 décembre 2024 • Durée 48:39
What if you could do to construction what Amazon did to retail? Or what Uber did to taxis?
Mark Kasdorf has an ambitious vision to do just that, and his journey starts with heat pumps.
Mark is the founder and CEO of Forge, a venture-backed, mission-driven startup tackling one of America’s biggest challenges: the skilled labor shortage in the trades. Forge’s secret? Recruiting great talent, training them quickly, and empowering them to lead their own crews fast. Really fast.
In just 18 months, Forge went from installing its first heat pump to running over 10 crews across New England—all through organic growth, no acquisitions That’s a pace unheard of in the HVAC space, where reaching 10+ crews can take years.
Mark describes HVAC as the “goldilocks trade”—challenging enough to require specialized training, but more scalable than electrical or plumbing, which require more licensing. Within HVAC, Forge is laser-focused on heat pumps, a decision that reflects the size of the market, profitability, and growth prospects.
In this podcast episode, Mark shares fascinating insights into:
• Forge’s rapid journey from one crew to many.
• His roadmap for scaling to $10M, $100M, and beyond.
• Why the trades can't be “gigified” and what that means for the construction industry.
• Lessons learned from other startups’ failures to disrupt the trades.
• What makes Forge both similar to and different from a traditional heat pump company.
Whether you’re curious about how venture capitalists see the HVAC industry, or you want a fresh perspective on heat pumps, this episode is a must-listen.
Listen now to hear why Mark believes HVAC is the ultimate trade and why heat pumps are at the center of it all.
Show notes:
Why HomeWorks still gets 30% of its leads from direct mail in a digital-first world.
When to partner vs. bring services in-house and why sometimes you have to do it yourself.
Why factoring in callback costs upfront can improve service quality and team morale.
The importance of respecting HVAC technicians' expertise when scaling a business.
Why you can’t be everything to everyone and should focus on mastering a few key services.
In Today’s Episode:
[01:13] - Introduction
[03:22] - Understanding HomeWorks & Its Mission
[05:48] - Chris Nichols’ Career Path & Early Influences
[09:13] - Scaling HomeWorks & Building a Talent Machine
Follow The Heat Pump Podcast now for the latest on heat pump sales, design, and more. 💯
What’s Next?
We’re just getting started. With more episodes planned for 2025, we’re excited to keep growing the conversation around heat pumps, HVAC innovation, and building science.
🎧 Tune in to this special reflection episode and join us on the journey!
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