In this episode of HVAC Know It All Podcast, host Gary McCreadie continues his convo with John Pastorello , an expert in HVAC cleaning solutions, and CEO at RTX Scientific, Inc dba Refrigeration Technologies . In Part 02 they break down coil cleaners, explaining why choosing the right product is crucial for different HVAC parts. John warns about the damage caused by harsh cleaners like brighteners and highlights the benefits of using ones with corrosion inhibitors. They also discuss how these cl...
Mar 20, 2025•18 min
In this episode of the HVAC Know It All Podcast, host Gary McCreadie , talks with John Pastorello , an HVAC technician and chemist turned innovator, CEO at RTX Scientific, Inc dba Refrigeration Technologies . In this Part 1 they discuss the importance of coil protection and John’s invention coil coating, which helps prevent corrosion in tough environments. John explains how this coating protects key HVAC components like condenser coils and rotor lock fittings, extending their lifespan. They also...
Mar 17, 2025•17 min
In this episode of HVAC Know It All Podcast, host Gary McCreadie continues his conversation with Dr. Mark Modera , The Inventor of Aeroseal , Professor at the University of California, Davis , Visiting Faculty at Berkeley Lab and Former Vice President at Carrier HVAC . In this Part 02 they discuss how HVAC contractors can integrate Aeroseal into their services, the process of becoming an Aeroseal dealer, and why this technology is a valuable addition for residential and commercial applications. ...
Mar 13, 2025•17 min
It might take sometime to build the customer base you enjoy working for. Gary McCreadie takes us through how he met another contractor that services high end homes and how how enjoys that service environment. Latching on to the right customer that you can serve and enjoy doing so, can help your business grow to the next level. Check out Jobber, the CRM tool that McCreadie HVAC and Refrigeration uses to keep their business organized.getjobber.com/hvacknowitall...
Mar 11, 2025•9 min
In this episode of HVAC Know It All Podcast, host Gary McCreadie welcomes Dr. Mark Modera , The Inventor of Aeroseal , Professor at the University of California, Davis , and Visiting Faculty at Berkeley Lab and Former Vice President at Carrier HVAC . They talk about why sealing ducts is important for HVAC performance, how new methods like Aeroseal, the invention of Dr. Mark Modera, is better than old ones, and why fixing duct leaks saves energy and improves comfort. Dr. Mark Modera also explains...
Mar 10, 2025•19 min
In this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his conversation with Jim Bergmann , President of measureQuick and Director of New Product Development at Redfish Instruments Inc . In Part 2, they discuss the challenges of low ambient charging, the transition from traditional methods to modern solutions like charging blankets, and why precision in refrigerant charging is essential. Jim also emphasizes the importance of automation in HVAC diagnostics, how measureQuic...
Mar 06, 2025•17 min
In this episode of the HVAC Know It All Podcast, host Gary McCreadie welcomes Jim Bergmann , President of measureQuick and Director of New Product Development at Redfish Instruments Inc . They discuss the responsibilities of HVAC technicians, the shift from traditional charging methods to modern techniques like charging blankets, and why accurate diagnostics are crucial. Jim also highlights the importance of continuous learning, the role of technology in optimizing systems, and how better tools ...
Mar 03, 2025•18 min
In this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his conversation with Laurence Michelson , Co-Managing Partner at Cool Daddy LLC, Director of ObjectStep , HVAC Constitution expert at AlphaSights , and former Senior HVAC Counterman at A&R Supply, South Florida . In Part 2, they discussed the challenges within HVAC supply chains, including communication gaps, lack of automation, and the growing burden on counter staff. They also discuss why returned parts are a major...
Feb 27, 2025•24 min
In this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by Laurence Michelson , Co-Managing Partner at Cool Daddy LLC, Director of ObjectStep , HVAC Constitution expert at AlphaSights . and former Senior HVAC Counterman at A&R Supply, South Florida . They will explore the life of an HVAC suppliers counterperson, the disconnect between technicians and suppliers, and why proper communication and product knowledge are crucial for success in the industry. Laurence Michelson sh...
Feb 24, 2025•21 min
Not all coil cleaners in HVAC and Refrigeration are created equal. That sticker on the OEM equipment that states, "only use water", does hold some weight but not nearly as much as you think. In this short episode, Gary McCreadie discusses what coil cleaners can be used on condensers and evaporaters without damaging the coil. Check out Jobber, the CRM tool that McCreadie HVAC and Refrigeration uses to keep their business organized. getjobber.com/hvacknowitall
Feb 21, 2025•6 min
In this episode of the HVAC Know It All Podcast, Host Gary McCreadie continues his conversation with Jamie Kitchen , an Industry Expert from Danfoss . In Part 2, they will discuss the role of check valves in Heat Pump TXVs in more detail, comparing North American and European TXV designs and discussing why refrigerant adoption differs across regions. Jamie also shares insights on how inverter-driven heat pumps impact metering devices, the differences between Thermostatic Expansion Valves (TXVs) ...
Feb 20, 2025•20 min
In this Episode of the HVAC Know It All Podcast, Host Gary McCreadie is Joined by Jamie Kitchen , an HVAC Expert from Danfoss , to Break Down How Heat Pump Thermostatic Expansion Valves (TXVs) Work and Why Check Valves are Essential. Jamie Kitchen explains the differences between heat pump Thermostatic Expansion Valves (TXVs) and straight cooling TXVs, why heat pump valves need built-in check valves, and how refrigerant flow reverses in heat pumps. They also discuss the evolution of expansion va...
Feb 17, 2025•20 min
In this episode of the HVAC Know It All Podcast , Host Gary McCreadie sits down with Adam Mufich , an Expert in airflow diagnostics and technical trainer at the National Comfort Institute (NCI). They will discuss deep into the critical role of airflow in HVAC systems, why static pressure doesn’t equal airflow, and how technicians can improve system performance with better diagnostics. Adam shares insights on the TrueFlow Grid, a Revolutionary tool for measuring airflow accurately, and explains h...
Feb 13, 2025•36 min
In this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his chat with Greg Crumpton , Vice President at Service Logic and Founder and Writer of deepKnowledge . Greg has spent over 40 years in the HVAC industry, and in Part 2, he shares his thoughts on where the trade is headed, touching on new installation methods, the rise of press fittings, and why lighter, more compact tools are becoming the norm. They also dig into indoor air quality (IAQ), breaking down common myths a...
Feb 09, 2025•30 min
In this episode of the HVAC Know It All Podcast , host Gary McCreadie sits down with HVAC veteran Greg Crumpton to dive deep into the 2025 industry outlook. With over four decades of experience, Greg offers valuable insights on A2L refrigerant transitions, AI-driven predictive maintenance, and the evolution of HVAC tools and technologies. They discuss the psychological shift needed as the industry embraces mildly flammable refrigerants, and why technicians should be ready to adapt. From tool inn...
Feb 06, 2025•24 min
In this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his engaging discussion with Jennifer Manzo , a key innovator in the HVAC sector and chief trainer for SkillCat .In Part 2 of their conversation, they delve into Jennifer's unique experiences as a female trainer in a predominantly male industry, her approach to virtual training, and her active role in fostering a supportive community through initiatives like the HVAC Chicks Coalition. They explore how these efforts co...
Feb 03, 2025•26 min
In this episode of the HVAC Know It All Podcast, host Gary McCreadie sits down with Jennifer Manzo , a chief trainer for SkillCat and a prominent figure in the HVAC community, known for her commitment to education and empowerment in the field. This is Part 1 of their discussion, focusing on the transformative role of training and community support within the HVAC industry. Jennifer shares her experiences and insights into enhancing the skills of both novice and seasoned technicians through speci...
Feb 01, 2025•26 min
In this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his conversation with John Bartlett Founder and CEO of Brentwood Growth , a sell-side M&A advisory and consulting firm specializing in skilled trades businesses such as HVAC, plumbing, and electrical. Part 2 delves deeper into the critical steps involved in preparing a business for sale, exploring various buyer types and transaction structures. Brentwood Growth provides expert guidance to business owners across reside...
Jan 27, 2025•21 min
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 gu...
Jan 23, 2025•23 min
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
Jan 20, 2025•9 min
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...
Jan 20, 2025•24 min
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 is...
Jan 16, 2025•25 min
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 ...
Jan 13, 2025•19 min
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, an...
Jan 06, 2025•27 min
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, uniqu...
Dec 26, 2024•40 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/
Dec 24, 2024•10 min
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 ther...
Dec 23, 2024•25 min
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 ac...
Dec 19, 2024•28 min
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 techni...
Dec 16, 2024•26 min
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, p...
Dec 12, 2024•30 min
