Hvac Know It All Podcast

In this episode of the HVAC Know It All Podcast, host Gary McCreadie sits down with John Bartlett Founder and CEO of Brentwood Growth, a sell-side M&A advisor and consulting firm specializing in skilled trades businesses like HVAC, plumbing, and electrical. This is Part 1 of their discussion, focusing on how business owners can grow and scale their companies to maximize value. Brentwood Growth works with business owners in the residential, industrial, and commercial sectors, providing expert guidance for service providers and contractors across various industries, including Boilers & Generators, Cleaning & Janitorial, Electrical, Elevator & Escalator, Fencing, Fire & Safety, Flooring, Foundation Repairs, Garage Door, Heat Pump, Home Appliance Service & Repair, Home Inspections, Industrial Equipment Service & Repair, Irrigation, Lawn Care, Mosquito & Pest, Painting, Paving, Plumbing, Pool Services, Property Management, Refrigeration, Restoration & Remediation, Roofing, Secu

Static pressure is the ballooning effect of a duct system and it's measured with a dual port manometer. Airflow is the measurement of air velocity (air speed) in the duct. Velocity is then converted to air flow using duct dimensions. Check out Jobber and all they have to offer. getjobber.com/hvacknowitall

In this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his discussion with David Rames, Senior Product Manager at Midea America Corp. This is Part 2 of their conversation, focusing on practical applications of heat pump technology and their performance in cold climates. David shares insights from a unique case study conducted in Alaska, where Midea's heat pumps were tested under extreme winter conditions. The episode also highlights the importance of addressing building envelopes to optimize HVAC efficiency and includes valuable tips for technicians to ensure high-quality installations. Gary and David further explore how advancements in heat pump technology have made these systems more reliable, efficient, and accessible, closing the gap between affordability and innovation. Expect to Learn: How Midea heat pumps excel in sub-zero conditions, as shown in an Alaska case study. The impact of building envelope improvements on system efficiency. Key installation tips to minimize call

In this episode of the HVAC Know It All Podcast, host Gary McCreadie welcomes David Rames, Senior Product Manager at Midea America Corp. This is Part 1 of this discussion, exploring advancements in heat pump technology and HVAC industry challenges. David, a product management expert with years of experience in HVAC innovation, discusses the evolution of heat pumps, addressing misconceptions about their performance in cold climates and their supposed complexity. Gary and David also examine the issues of equipment oversizing, the value of proper installation, and the advantages of communicating systems over traditional setups for enhanced comfort and efficiency. Expect to Learn: Discover how modern heat pumps are designed to perform efficiently in extreme cold climates. Learn why today’s heat pumps are easier to install, troubleshoot, and maintain. Understand the issues caused by oversized systems and how proper sizing improves efficiency and comfort. Explore the advantages of communicating systems ove

In this episode of the HVAC Know It All Podcast, host Gary McCreadie sits down with Jesse Stewart, National Training Manager at NAVAC HVAC to discuss the industry's transition to A2L refrigerants and the essential tools for safe and efficient handling. Jesse, a technical trainer with experience in HVAC tools and safety practices, shares insights into the challenges and opportunities of A2L refrigerants. He focuses on debunking myths and highlighting safety measures. Gary and Jesse discuss tool compliance, best practices, and the importance of training in preparing HVAC professionals for upcoming changes. Expect to Learn: What Are A2L Refrigerants?: Understand what A2L refrigerants are, why the industry is moving toward them, and clear up common misunderstandings. Tools That Get the Job Done: Learn about the tools that are compatible with A2L refrigerants, including vacuum pumps and recovery machines, and what makes them compliant. Staying Safe on the Job: Practical advice on reducing risks by using t

In this episode of the HVAC Know It All Podcast, host Gary McCreadie welcomes Joshua Souders from Copeland for the second part of their conversation about advanced compressor technology. Josh brings his deep knowledge of HVAC systems to the table, focusing on variable-speed compressors, vapor injection, and how these innovations are changing the game for heat pumps. They dive into topics like how variable-speed compressors work, the challenges of oil delivery, and why vapor injection is key to making heat pumps effective in extremely cold climates. They also tackle common misconceptions about heat pump performance in freezing temperatures and discuss the DOE Cold Climate Heat Pump Challenge. If you’re in the HVAC industry, this is an episode you don’t want to miss. Expect to Learn: How Variable-Speed Compressors Operate: A clear breakdown of how these compressors adjust to meet heating and cooling demands while boosting efficiency. The Benefits of Vapor Injection: An explanation of how this technology improv

In this episode of the HVAC Know It All Podcast, host Gary McCreadie welcomes Joshua Souders from Copeland for part one of an enlightening two-part series on compressors and their critical role in modern HVAC systems. Josh, a seasoned expert in compressor technology, shares his wealth of knowledge, diving deep into the mechanics and benefits of single-speed, two-stage, and variable-speed compressors. Gary and Josh discuss how each type of compressor operates, the unique advantages they offer, and their application in heat pumps, particularly in cold climates. They also touch on the challenges and misconceptions surrounding heat pump performance in sub-freezing temperatures. Packed with technical details, and expert advice, this episode is a must-listen for HVAC professionals looking to stay up-to-date with industry trends. Expect to Learn: Understanding Compressors: Explore the key differences and benefits of single-speed, two-stage, and variable-speed compressors. Improving Heat Pumps: Learn how advanced co

In this episode of the HVAC Know It All Podcast, host Gary McCreadie welcomes Rachel Samala, CEO of California Mechanical, Heating & Air Conditioning. She is an HVAC technician, content creator known as ‘Miss Mini Split’ on Instagram. Based in San Diego, Rachel has over a decade of experience in the HVAC trade and has built a reputation for her innovative approaches to mini split installations. Gary and Rachel dive into the essentials of mini split installation, offering practical tips, unique mounting techniques, and insights into the growing popularity of mini splits in California’s housing market. Rachel shares how her dedication to precision, affordability, and customer satisfaction has made her a trusted expert in the field. Through anecdotes from her career and hands-on advice, Rachel inspires HVAC professionals to adopt efficient methods, maintain high standards of installation, and embrace the evolving technology of mini splits. Expect to Learn: Mini Splits in Affordable Housing: Discover why min

Gary McCreadie takes us through a quick recap of 2024 and what's to come in 2025 for HVAC professionals. Check out our latest article on AI and how if will effect the HVAC industry. https://hvacknowitall.com/blog/navigating-ai-and-automation-a-technicians-guide-for-2025 Follow the Host: LinkedIn: www.linkedin.com/in/gary-mccreadie-38217a77/  Website: www.hvacknowitall.com  Facebook: www.facebook.com/hvacknowitall/   Instagram: www.instagram.com/hvacknowitall1/  

In this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his conversation with Brent Lammert, who leads the Thermal Imaging Business Unit at Testo Instruments - North America. In part two of this insightful discussion, Brent dives deeper into the transformative applications of thermal imaging for HVAC professionals, showcasing its practical uses in diagnosing and resolving real-world challenges with speed and precision. Gary and Brent explore specific scenarios where thermal cameras excel, such as identifying refrigerant restrictions, pinpointing hydronic system issues, and inspecting steam humidification systems. Brent also explains the role of thermal imaging during blower door tests to detect building envelope leaks and highlights the cost-saving potential for HVAC businesses using this technology. From troubleshooting complex systems to improving customer satisfaction through faster, more accurate diagnostics, this episode offers practical advice and inspiring insights for HVAC techn

In this episode of the HVAC Know It All Podcast, host Gary McCreadie sits down with Brent Lammert, who leads the Thermal Imaging Business Unit at Testo Instruments - North America, for part one of their engaging conversation on the game-changing applications of thermal imaging in HVAC, plumbing, and electrical trades. Brent, now with Testo, shares insights into leveraging thermal cameras for identifying issues like air leaks, ductwork problems, and electrical faults with unmatched speed and accuracy. Gary and Brent explore the core principles of thermal imaging, from detecting building envelope inefficiencies to using thermal imaging for compliance with new NFPA 70B standards. Brent also sheds light on the business potential of offering thermography as a service, backed by practical tips and real-world examples of improving safety, reliability, and customer satisfaction. Packed with actionable advice and thought-provoking discussions, this episode is a must-listen for HVAC professionals looking to stay ahea

In this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by Julian Finbow, HVAC/R Educator, Mentor, Content Writer, and Founder of Finbow Inc., for part two of their in-depth conversation on pressure testing in HVAC and refrigeration systems. This episode dives into key topics, including troubleshooting leaking Schrader valves, best practices for flaring techniques, and the role of both pressure testing and evacuation in ensuring system integrity. Julian shares his technical expertise and hands-on experience, offering insights into precision, safety, and efficiency. With actionable tips and real-world examples, this discussion is a must-listen for HVAC professionals looking to refine their diagnostic and installation skills. Expect to Learn: Managing Leaking Schrader Valves: Effective methods for troubleshooting and addressing leaks in Schrader valves, a common challenge in HVAC systems. Flaring Techniques: Best practices for achieving proper, leak-free flares, including the debate ove

In this episode of the HVAC Know It All Podcast, host Gary McCreadie welcomes Julian Finbow, HVAC/R Educator, Mentor, Content Writer, and Founder of Finbow Inc., for part one of their discussion on pressure testing in HVAC and refrigeration systems. Julian shares his expertise on managing live systems, addressing leaking valves, and following best practices to ensure safety and efficiency. Through practical tips and real-world anecdotes, Gary and Julian highlight the importance of precision, proper equipment, and diligent inspections. They discuss key challenges, such as managing live systems and addressing leaks, while emphasizing safety at every step. Julian’s technical knowledge and hands-on experience make this episode a valuable resource for HVAC professionals aiming to enhance their skills, adapt to industry standards, and execute flawless installations. Expect to Learn: Managing Live Systems: Key techniques for handling live systems and addressing challenges like leaking valves. Safety with High-Press

In this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by Kevin Gill, Director of Technical Projects & Business Development – Refrigeration of The Master Group, for part two of their discussion on the H2O refrigerant transition in North America. Building on the first part of this series, Kevin takes a deeper dive into the practical challenges and innovative solutions that HVAC professionals will face as they shift towards the new refrigerants. The conversation explores topics such as the flammability concerns of the new refrigerants, the role of sensors in system monitoring, and the specialized tools required for this transition. Kevin Gill brings his extensive experience in refrigeration and HVAC systems to this episode, providing valuable insights into the technical and safety considerations surrounding the H2O refrigerant shift. His expertise helps contractors understand the nuances of implementing new technologies, ensuring safety, and future-proofing their work for evolving re

Residential HVAC sales can be a pushy business at times. Pushy because techs are trained to sell rather than service. Why is this? For profit I would imagine but we can generate nice margins by understanding the trade deeply and applying skill to seek out actual problems and recommending actual solutions. Check out Jobber www.getjobber.com/hvacknowitall Check out the article Gary McCreadie wrote on this subject. https://hvacknowitall.com/blog/the-truth-about-furnace-tune-ups Please follow me on my back up Facebook account. https://www.facebook.com/profile.php?id=61569643061429&mibextid=ZbWKwL

In this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by Kevin Gill, Director of Technical Projects & Business Development – Refrigeration of The Master Group for part one of their discussion on the evolving landscape of refrigerants in the North American market. With the A2L refrigerant transition looming on the horizon, Kevin offers a deep dive into the key aspects of these regulatory changes, their impact on the HVAC industry, and how contractors can adapt. The episode touches on the environmental and regulatory pressures driving these changes, such as the Montreal Protocol and Kigali Amendment, and how these international agreements are shaping refrigerant choices and equipment standards. Kevin Gill brings a wealth of experience to the conversation, with expertise in refrigerants, HVAC systems, and global climate policies. As a passionate advocate for environmental sustainability, Kevin discusses both the technical and practical aspects of transitioning to lower-GWP refrigera

In this episode of the HVAC Know It All Podcast, host Gary McCreadie dives into advanced combustion analysis with Jason Esteves from Seitron Americas Inc. The episode builds on previous discussions of basic and intermediate combustion principles, diving into the stoichiometric curve—a key concept for mastering combustion efficiency and safety. Jason Esteves is a seasoned expert in combustion technology and training, representing Seitron Americas Inc. With over 20 years of experience in the field, Jason combines technical expertise with a passion for educating HVAC professionals, making complex combustion concepts accessible and practical for technicians in the field. Expect to learn: Theoretical Combustion: Stoichiometric combustion is a guiding principle but impossible to achieve in practice. Efficiency with the Curve: Use the stoichiometric curve to balance efficiency and minimize CO emissions. Analyzer Tools: Advanced features like "Pro Mode" simplify diagnostics for technicians. NOx Emissions:

Gary McCreadie takes us on a commercial HVAC service call troubleshooting a Carrier rooftop unit. The problem was not 100% apparent, it took a little leg work and a couple of visits to solve. https://www.master.ca/professional/ www.cintas.com/HVACKnowItAll Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowithttps://www.instagram.com/hvacknowitall1/all.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/

Hot surface ignitors or HSI for short vs. Direct Spark. These are two different methods that natural gas or propane appliances use to ignite the flame for heating purposes. Check out Jobber www.getjobber.com/hvacknowitall

We speak to Francisco Pastor who goes by @climasterlatino on Instagram. Francisco takes us through a residential HVAC service call. No Gauges No Problem with Jim Bergmann as promised. https://www.master.ca/professional/ www.cintas.com/HVACKnowItAll Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowithttps://www.instagram.com/hvacknowitall1/all.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/