In this episode of the HVAC Know It All Podcast, host Gary McCreadie chats with Patrick Butler, a seasoned HVAC technician and educator, and Field Service Supervisor at SAV-MOR MECHANICAL, INC. Patrick, who has over 20 years in the industry, shares his journey from apprentice to expert. In Part 2, they discuss the shift in technician training, from…

In this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by Patrick Butler, an expert in commercial HVAC and building automation and Field Service Supervisor at SAV-MOR MECHANICAL, INC. Patrick, with years of hands-on experience, explains how building automation is changing how we run HVAC systems. He talks about how it saves …

In this episode of the HVAC Know It All Podcast, host Gary McCreadie welcomes back Tyler Nelson from Sauermann Group for Part 2 of their talk on combustion analysis. Tyler shares more about how tuning equipment with a combustion analyzer can help HVAC techs improve safety, performance, and system life. He also explains how to read O2, CO, and CO2 l…

In this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with Tyler Nelson from Sauermann Group about the role of combustion analysis in HVAC systems. Tyler, a passionate expert in combustion and commissioning, shares how the industry has evolved from old-school tools to advanced digital analyzers. He explains why checking combust…

In this episode of the HVAC Know It All Podcast, host Gary McCreadie welcomes Michael Richardson, better known as MC from New Zealand. Michael, who is Flexibility Services Manager at Transpower New Zealand, the national grid operator. In Part 2, they discuss smart HVAC tech, demand response, and how commercial innovations are moving into residentia…

In this episode of the HVAC Know It All Podcast, host Gary McCreadie welcomes Michael Richardson, better known as MC from New Zealand. Michael, who is Flexibility Services Manager at Transpower New Zealand, the national grid operator, shares an insider’s look into New Zealand’s energy landscape and the country's ongoing shift toward heat pump techn…

In this episode of the HVAC Know It All Podcast, host Gary McCreadie welcomes Trent Parker, better known as Mr. Fat Cheeto, to talk about the funny side of the HVAC industry. He shares how he became popular online and went from working in HVAC to making videos. His videos are entertaining but also show real problems in the industry. He helps people…

In this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his conversation with Gerry Wagner, President of Education, Services & Products Company LLC (ESPCO LLC. In Part 2, they discuss how business decisions affect service quality and the industry's reputation. Gerry shares his honest thoughts on bad business practices that hu…

In this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by Gerry Wagner, President of Education, Services & Products Company LLC (ESPCO LLC), and a seasoned HVAC expert who shares his strong views on DIY HVAC solutions and their impact on the industry. Inspired by his visit to the AHR Expo in Orlando, he explains the concerns…

In this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his conversation with Tim De Stasio, the owner and president of Comfort Science Solutions. In Part 2, he takes a closer look at the issues in HVAC caused by profit-focused decisions instead of customer care. He also discusses how company culture and investor pressure can…

In this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by Tim De Stasio, the owner and president of Comfort Science Solutions LLC, who has become a popular figure in the industry through his engaging critique videos. In Part 1, they discuss Tim's journey into creating content that humorously but constructively points out err…

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 …

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 environm…

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 …

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…

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…

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 bla…

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 dia…

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 c…

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 be…

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 C…

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.…

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 TXV…

In this episode of theHVAC Know It All Podcast, Host Gary McCreadie sits down with Adam Mufich, an Expert in airflow diagnostics and technical trainer at theNational 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 per…

In this episode of the HVAC Know It All Podcast, hostGary McCreadie continues his chat withGreg Crumpton, Vice President atService Logic and Founder and Writer ofdeepKnowledge. 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 pres…

In this episode of theHVAC Know It All Podcast, hostGary McCreadie sits down with HVAC veteranGreg 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 …

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 tra…

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 w…

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 bu…

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…

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 conducte…

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 evoluti…

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 in…

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 sin…

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 inn…

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…

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…

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 …

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…

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 …

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 pr…

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/hvacknow…

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, K…

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. Jaso…

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 th…

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 K…

The changes are coming quick and fast in the HVAC and Refrigeration Industry. Keeping up and adapting will ensure we don't become complacent in our day to day. We speak to HVAC business owner Zach Karre about how adapting quickly might be our best option. https://www.master.ca/professional/ www.cintas.com/HVACKnowItAll Save 8% on your purchase http…

I speak to Ben Reed from measureQuick and Teal Maker in regards to HVAC and how in many ways, it has went the route of connectivity. Whether it's Bluetooth devices or equipment connecting directly to the web, it is a new world and one we must pay attention too. Check out Ben's Technicians Guide To Wireless Communication. https://hvacknowitall.com/b…