Hvac Know It All Podcast

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 levels correctly. Tyler Nelson breaks down why combustion numbers matter and how techs can use this info on installs, maintenance, and safety checks. He also talks about the best places to insert the probe for accurate readings and why showing your work builds customer trust. Throughout this episode, Tyler shares real tips for HVAC techs who want to do better work. He says analyzing every job helps avoid issues and keeps systems safe, while also proving the work you’ve done. Expect to Learn: How using a combustion analyzer helps make HVAC systems safer.   Why O2 and CO levels are key numbers to watch during testing.   How to choose the right spot to place your

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 combustion on every gas appliance is key to safety and how proper commissioning starts long before system startup. Tyler also talks about Sauermann’s move into making their own analyzers, built on industry feedback and packed with unique features like long sensor life and advanced diagnostics. Tyler Nelson talks about why combustion analysis matters when setting up or servicing gas appliances. He shares how tools have changed over time and why using an analyzer is key for safety and accuracy. He explains how checking fresh air and venting is part of commissioning and how even small mistakes can lead to big issues. Tyler also talks about Sauermann’s new analyzers, how they

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 residential systems. Michael shares insights on technician training, energy-saving tools, and why adapting to new tech is key for the trade. Michael Richardson talks about the rise of smart HVAC tech in homes, explaining how tools like demand response and connected devices can boost energy capability. He also shares why technicians need to improve new tech to stay ahead in the changing HVAC landscape. Throughout this episode, Michael talks about how new HVAC technology is changing the trade and helping improve energy use. He says learning and adapting to these changes is key for technicians to grow and build trust with customers. Expect to Learn: How smart HVAC devices are

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 technology. Drawing from his dual expertise in energy management and HVAC, Michael discusses the growing adoption of heat pumps across various climates in New Zealand, their integration into grid flexibility strategies, and the implications of recent developments like the collapse of major solar provider Solar Zero.  Michael Richardson explains how heat pumps are changing, how people in New Zealand heat their homes, and how the country uses energy. He shares what he’s learned from working with both the national grid and in the HVAC business. He talks about why more people are moving away from gas, the tech behind heat pumps like inverters and soft start features, and how

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 understand why skilled workers are important in HVAC. Trent Parker discusses the problems with HVAC videos that are only for fun and don’t teach anything. He explains that these videos can give people the wrong idea about the trade. He also talks about why experienced HVAC workers are important. They help keep the work quality high and guide new technicians in their careers. Throughout this episode, Trent talks about why it's important to mix humor with useful information in HVAC videos. He says keeping it real and sharing helpful tips is key to keeping the trade's good name and earning people's trust over time. Expect to Learn: Funny HVAC videos can hurt the ind

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 hurt the trade and explains how distributors can help keep standards high. Gerry Wagner talks about the problems with DIY HVAC, explaining how businesses that focus on quick profits can harm the industry's reputation. He also explains why good distributors are important in helping HVAC technicians do their jobs professionally. Throughout this episode, Gerry talks about why the HVAC industry should follow honest practices and provide proper training. He says keeping high standards is important for long-term success and earning customer trust.   Expect to Learn: How companies selling DIY HVAC products can harm the industry's reputation over time.   How high pr

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 behind his LinkedIn post. This episode highlights into the challenges posed by consumer-targeted HVAC products and how they affect professionals. Gerry’s honest take sparks important discussions, offering both insight and education for industry peers. Gerry Wagner breaks down the risks of DIY HVAC solutions and their impact on the industry. Inspired by his AHR Expo experience, he explains the concerns behind his LinkedIn post, stressing how consumer-targeted products can lower professional standards. His goal isn’t just to criticize but to educate, emphasizing the importance of proper practices to protect HVAC system quality and longevity. In this episode, Ger

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 affect service quality and ethical standards in the industry. Tim explains here in the part how some technicians are pressured to sell rather than fix real customer problems. He points out how this approach harms both the industry and customers in the long run. Tim emphasizes the need to focus on quality service instead of quick profits to create a more honest and sustainable business. Tim highlights the need to move away from profit-driven sales tactics in HVAC. He advocates for a culture that values technical skills and real problem-solving. He explores how ethical business practices can improve service quality and strengthen a company's reputation. Expect to Lea

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 errors in other HVAC professionals' videos. These segments are not only entertaining but educational, as they often lead to real improvements and corrections in HVAC practices. Tim shares insights into his motivations and the unexpected rise in his social media following, reflecting on how his light-hearted commentary has made a significant impact on the industry. Tim De Stasio talks about common mistakes people make in HVAC videos and how these errors affect the industry. He explains how he creates fun and helpful videos to correct these mistakes. His videos don’t just teach. They also entertain, helping HVAC workers do their jobs better. He also discusses how his con

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 cleaners protect aluminum and copper components, along with practical tips for HVAC technicians, such as correct dilution ratios and the importance of rinse aid technology. This discussion gives HVAC professionals key insights into proper cleaning methods to boost system performance and extend equipment lifespan. John Pastorello explains the challenges HVAC technicians face in keeping coils and ducts clean and why traditional methods often fall short. He stresses the importance of using the right cleaners, especially thos

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 cover practical uses, the science behind corrosion prevention, and how this technology helps HVAC professionals keep systems running longer and more efficiently. John Pastorello talks about the problem of metal corrosion in HVAC systems and why traditional coatings don’t always work. He explains how advanced solutions like coil coating can make HVAC components last longer and run more efficiently. John emphasizes the need for HVAC professionals to use new technologies and better application methods to protect systems fr

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. Dr. Mark Modera explains the science behind Aeroseal, The Invention of him. how the sealant particles work to close duct leaks, and the limits of what size leaks can be sealed. They also cover how the building science community views duct sealing, the impact on HVAC Performance improvement, and why reducing duct leakage is essential for system performance and energy savings. This discussion provides valuable insights for HVAC professionals looking to expand their services and improve system performance with modern sealing

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

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 the science behind duct leaks, how they affect system performance, and how modern sealing technology makes the job easier. This discussion gives HVAC professionals useful tips on improving airflow, making homes more effective, and using better duct sealing methods. Dr. Mark Modera talks about the problems caused by duct leaks in HVAC systems and why old sealing methods don’t work as well as new solutions like Aeroseal. He explains why it's important to check and measure duct leaks, the need for ongoing learning in buildi

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 measureQuick simplifies charging processes for both TXVs and fixed orifice systems, and why using the right tools can prevent overcharging and system inefficiencies. This in-depth discussion provides practical insights for HVAC professionals looking to improve accuracy, efficiency, and troubleshooting skills in cold weather conditions. Jim discusses the complexities of low ambient charging, why traditional methods can lead to overcharging, and how charging blankets can improve accuracy. He highlights the importance of verifying sy

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 can prevent costly mistakes. This in-depth discussion provides valuable insights for HVAC professionals looking to enhance their skills and system efficiency, especially in low ambient conditions. Jim discusses the challenges HVAC technicians face in low ambient conditions and why standard charging methods don’t always work as well as techniques like charging blankets. He highlights the importance of technicians verifying system charges, ongoing education, and using technology to improve diagnostics and performance. Plu

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 issue, the impact of brand ownership changes, and how technology can improve efficiency in HVAC distribution. Laurence also shares insights on the daily challenges HVAC counter staff face, the disconnect between technicians and suppliers, and why effective communication is crucial for smooth operations. He emphasize the impact of brand ownership changes, the risks of relying on undertrained counter staff, and how technology can streamline HVAC supply transactions. Additionally, he discusses why returned parts creat

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 shares insights on the challenges HVAC suppliers face, the disconnect between counter staff and technicians, and why technicians should take responsibility for verifying parts. They also discuss the importance of supplier training, the role of technology in HVAC distribution, and how better communication can prevent costly mistakes in the field. This episode is filled with real-world HVAC insights, industry challenges, and practical advice to help technicians and suppliers improve communication and efficiency. Laurenc

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

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) and Electronic Expansion Valves (EEVs), and how technicians can optimize superheat for maximum efficiency. He emphasizes why proper system design and programming are key when pairing TXVs with inverter compressors, and how aftermarket TXVs offer flexibility for field applications. This episode is packed with technical knowledge, troubleshooting tips, and real-world applications, making it a must-listen for HVAC professionals looking to sharpen their skills and keep up with industry advancements. At Danfoss, Jamie Kitc