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 evolutio…

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 int…

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 ga…

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-2025Follow 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/hvacknowi…

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/HVACKnowItAllSave 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the …

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/HVACKnowItAllSave 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Kno…

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/HVACKnowItAllSave 8% on your purchase https:…

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/bl…

We speak to Aaron Engel from DiversiTech about UV light technology for indoor air quality of grow ops and agricultural applications. https://www.diversitech.com/https://www.master.ca/professional/www.cintas.com/HVACKnowItAllSave 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvackn…

Gauging up to systems is not always necessary but if you do, it's best not to lose refrigerant in the process if at all possible. Using low loss fittings, ball valves, gas retention valves or other can help with this. Check out Jobber www.getjobber.com/hvacknowitall

In part 2 of 3 we speak to Jason Esteves from Seitron Americas. We discuss intermediate combustion analysis. Jason tell us how to get proper combustion efficiency in a 2 pipe system. We also briefly discuss how to find cracked heat exchangers using a combustion analyzer. https://seitron.com/en_us/novo-combustion-analyzer.html https://www.master.ca/…

We speak to Keith Clark and John Fanetti from ICM controls about low ambient air conditioning and refrigeration operation. We compare fan cycling vs fan speed. We discuss the ICM 325A which can control fan speed based on temperature or pressure. https://www.icmcontrols.com/product/icm325a/ https://www.master.ca/professional/www.cintas.com/HVACKnowI…

Marketing your skilled trades business in 2024 is much different than it was back in day. There's many strategies outside of word of mouth, like social media, and utilizing Google's tools for local targeting. Listen to industry professionals, Greg Crumpton, Terence Chan and Ryan Hache discuss this with me (Gary McCreadie) in this live conversation …

On this short episode we discuss why it's important to carry a combustion analyzer and use it on every service call. Gas appliances can deviate from day one performance and may need cleaning or the gas/air ratio may need to be adjusted. Check out Jobber www.getjobber.com/hvacknowitallCheck out the full Navien walk through https://youtu.be/E6UmOK9nr…

In part 1 of our 3 part series, we speak to Jason Esteves from Seitron Americas about basic combustion analysis. We will record an intermediate and advanced session in the coming weeks. Seitron has launched a new combustion analyzer, check out it out. https://seitron.com/en_us/novo-combustion-analyzer.html https://www.master.ca/professional/www.cin…

We speak with Ejner Kobbero from Danfoss about the stainless steel thermostatic expansion valve, known as the TU series from Danfoss. https://www.danfoss.com/en/products/dcs/valves/thermostatic-expansion-valves/thermostatic-expansion-valves/tu-thermostatic-expansion-valves/ We cover how to install the valve, how to adjust it and we also talk about …

It's important to understand how products in the HVAC industry are researched and developed. On this episode we tackle UV dye and speak to John Godden and Matthew Cowley from Spectronics Corporation about Spectroline UV dye. We talk about what it's made from and why, at a high level, it won't damage a system. https://spectroline.com/hvac-fluorescen…

Have you ever needed additional thermostat wire and couldn't run a new one? We speak to Ken Wiklund and Ashton Shura from FAST-STAT on the many solutions they offer for additional thermostat wire when it's not realistic to run a new one.https://fast-stat.com/https://www.master.ca/professional/www.cintas.com/HVACKnowItAllSave 8% on your purchase htt…

We speak to Sam Pillar, CEO of Jobber, about generation Z and the skilled trades. The talking points from this conversation is taken from Jobber's Annual Blue-Collar Report, link below. https://getjobber.com/reports/blue-collar-report-2024/?utm_source=PS_Ambassador&utm_medium=organic-bp&utm_campaign=bcr-2024#bcr-download-reporthttps://www.master.ca…

This monthly HVAC tech tip covers steps to uncover blown fuses using a combination of visuals and diagnostic tools. Check out getjobber.com/hvacknowitall to get your serivce business organized.

We speak to Aaron Longacre from Testo, Nick Stojkovski from Inficon and Gerry Wagner from Tosot. Our conversation sticks to the present and future of HVAC diagnostics. We have transitioned into the digital age of HVAC troubleshooting, this trend is here to stay and will only gain momentum as time moves on. https://www.master.ca/professional/ www.ci…

We speak to Tony Furst, hydronics Guru, about how to properly pressure test a hydronic system to test for leaks before start up. We analyze pressure testing with air vs. fluid and why one is safer than the other. https://www.master.ca/professional/ www.cintas.com/HVACKnowItAll Save 8% on your purchase https://www.trutechtools.com/ with promo code k…

We speak to Jeff Kukert from Copeland. Our discussion revolves around mitigating compressor failure using best install practices.Jeff also talks to us about common scroll compressor field failures due to lack of maintenance or poor install practices.Full YouTube videohttps://youtu.be/SVkDRaJptao https://www.master.ca/professional/www.cintas.com/HVA…

We discuss the Copeland scroll floating seal and how it works. We also discuss why we can't pump down a scroll compressor and things to look for while troubleshooting. Check out the Jobber link. https://getjobber.com/hvacknowitall

We speak to Steve Nixon, who is a refrigeration instructor and program leader at Camosun College in British Columbia.We speak candidly about HVAC discussing everything from education to field methods and tools. https://www.master.ca/professional/www.cintas.com/HVACKnowItAllSave 8% on your purchase https://www.trutechtools.com/ with promo code knowi…

We speak to Craig Migliaccio from AC Service Tech about refrigerant leak checking. There are many ways to check for refrigerant leaks. Nitrogen and soap, electronic leak detectors and even ultra sonic leak detection. https://www.master.ca/professional/www.cintas.com/HVACKnowItAllSave 8% on your purchase https://www.trutechtools.com/ with promo code…

We speak to Lenny Diaddario from Copeland and Chris Harris from the National Coalition Of Certification Centers. Copeland and NC3 have teamed up to provide skilled training to help reduce the skills gap in HVAC and refrigeration. https://www.master.ca/professional/www.cintas.com/HVACKnowItAllSave 8% on your purchase https://www.trutechtools.com/ wi…

On this episode we focus on the difference between Delta T and Temperature Difference. There's a lot of HVAC/R technicians that get these mixed up and incorrect. Check out the Jobber link. https://getjobber.com/hvacknowitall

We speak to Ilija Martinovich, Rachel Plein, Jason Norman and Matt Waxer on this live episode at CMPX. We discuss: things they didn't tell you about HVAC and many other HVAC related topics. https://www.master.ca/professional/www.cintas.com/HVACKnowItAllSave 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HV…

We discuss why the moisture indicator may turn yellow on a liquid line sight glass on an HVAC or refrigeration system. Yellow usually means moisture has entered the system somehow. Check out the Jobber link. https://getjobber.com/hvacknowitall