Synopsis
The HVAC Know It All podcast is hosted by me, Gary McCreadie. These are my thoughts, my jobs, my tools....This is my HVAC life.
Episodes
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The Truth About HVAC Sealants for Techs to Stop Leaks and Save Compressors – Matthew Cowley Part 1
30/06/2025 Duration: 20minIn this episode of the HVAC Know It All Podcast, host Gary McCreadie chats with Matthew Cowley, a North America Sales Manager: Spectroline Leak Detection (Industrial & HVAC/R) at Spectronics Corporation, about the truth behind internal sealants used in HVAC systems. They explain how older polymer-based sealants caused problems due to chemical reactions, while new oil-based ones work safely with mechanical action. Matthew and Gary talk about how oil-based sealants coat leak areas from the inside without clogging or damaging parts. They also share stories from real HVAC jobs, testing tips, and why more people are starting to trust this modern sealant method. Matthew Cowley explains how modern oil-based sealants are safer for HVAC systems than old polymer ones. He shares how these sealants coat tiny leaks from inside without hardening or clogging parts. Matthew talks about how they need pressure, heat, and small leak spots to work well. He also explains why these sealants don’t hide damage but help prevent b
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HVAC Evacuation Myths for Installers to Fix System Failures with Torque Tools – David Rames Part 2
26/06/2025 Duration: 27minIn this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his conversation with David Rames, Senior Product Manager at Midea America. In Part 2, David talks about the importance of pressure testing and evacuating each line set in multi-zone ductless systems. He emphasizes using a torque wrench to avoid over-tightening flare nuts, which can cause leaks. David also explains the dry mode feature in Midea systems, designed to control humidity effectively. The episode wraps up with advice on proper installation, maintenance, and the value of training to ensure quality work and satisfied customers. David Rames discusses the importance of pressure testing and evacuating each line set in multi-zone ductless systems. He explains how using a torque wrench can prevent over-tightening flare nuts, which can cause refrigerant leaks. David also highlights the dry mode feature in Midea systems, which helps manage humidity by slowing down the fan and cooling the room. The episode wraps up with advice on p
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Ductless Heat Pump Tips for HVAC Pros to Master Zoning and Install Smarter with David Rames Part 1
24/06/2025 Duration: 22minIn this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with David Rames, Senior Product Manager at Midea America, about how Multi-zone Ductless systems work and where they fit best. David explains why they’re great for homes without ductwork and how each room can have its own comfort setting. They break down how the system runs, including how it uses one outdoor unit for many indoor units. Gary and David also cover installation tips, design tricks, and how to avoid wiring mistakes. Plus, they share real-world advice on mounting units to reduce noise and making sure systems run smoothly and last longer. David Rames explains why Multi-zone Ductless systems are a smart choice for homes without ductwork. He shares how one outdoor unit can run many indoor heads, giving each room its own comfort level. David also talks about how the system adjusts refrigerant flow to match the needs of each zone. He explains why line sets and wiring must be carefully planned and how a special feature can fix mis
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Sealant vs Replacement in HVAC for Technicians to Use a Proven Leak Fix with Tyler Nelson Part 2
16/06/2025 Duration: 25minIn this episode of the HVAC Know It All Podcast, host Gary McCreadie wraps up his chat with Tyler Nelson from Sauermann Group. In Part 02, Tyler shares his thoughts on using UV dye and leak sealants in refrigerant systems. They talk about how some products, like Spectroline dye, are safe and approved by top manufacturers. Tyler also discusses the pros and cons of leak sealants, stressing they should only be used as a last resort. The episode ends with a look at Sauermann’s Si-DR3 leak detector and how it's built to be both affordable and effective for today’s techs working with modern refrigerants. Tyler Nelson talks about using UV dye and leak sealants to find and fix refrigerant leaks in HVAC systems. He explains when leak sealants can help and why they must be used with care. Tyler shares his views on safe products like Spectroline dye and how they don’t harm systems. He also warns about products that can cause clogs. The episode ends with tips on spotting leaks, using your senses before tools, and a look
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How HVAC Pros Can Avoid Misdiagnosis with UV Dye and Leak Detectors in 2025 with Tyler Nelson Part 1
13/06/2025 Duration: 22minIn this episode of the HVAC Know It All Podcast, host Gary McCreadie with Tyler Nelson from Sauermann Group talk about the best ways to find refrigerant leaks. Tyler explains why old methods like using soap bubbles aren’t enough anymore, and how electronic and ultrasonic leak detectors can save time and avoid costly mistakes. They also talk about the right way to use nitrogen for leak checks and how small things like Schrader caps can make a big difference. Tyler shares why UV dye still works well when used right, and how knowing your tools helps you do better work and keep customers happy. Tyler Nelson explains why using modern leak detectors is better than old methods like soap and bubbles. He shares how electronic and ultrasonic tools can find leaks faster and more clearly, saving time and money. Tyler also talks about using nitrogen the right way, slowly and in steps to avoid waste. He explains why Schrader caps matter and how tiny leaks can be missed without the right tools. Tyler also shares how UV dye
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HVAC Tools for Techs to Replace Manifolds and Build Client Trust using EER with Tyler Nelson Part 2
09/06/2025 Duration: 19minIn this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his conversation with Tyler Nelson from Sauermann Group, an expert in refrigeration and HVAC tools. In Part 02, Tyler talks about the benefits of using wireless probes and digital manifolds over traditional methods, explaining how they help improve efficiency and reduce refrigerant loss. He shares his thoughts on the future of HVAC technology and the importance of understanding the refrigeration cycle. Tyler also touches on the significance of proper training in leak detection and offers advice for technicians looking to improve their skills. Tyler Nelson explains how he improves HVAC efficiency by using wireless probes and digital manifolds instead of traditional methods. He emphasizes the importance of understanding the refrigeration cycle and how it affects system performance. Tyler also talks about reducing refrigerant loss, staying ahead in the industry, and offering tips for technicians to improve their skills and avoid commo
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How HVAC Technicians Use Digital Tools to Prove Repairs & Prevent Liability with Tyler Nelson Part 1
05/06/2025 Duration: 24minIn this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with Tyler Nelson from Sauermann Group about how digital tools are changing the HVAC industry. Tyler explains why using smart tools like digital gauges and apps is not just about speed, it’s about proving your work, building trust, and keeping customers informed. He shares how adding screenshots from tools like ChatGPT helps explain repairs better and prevent confusion. Tyler also talks about Sauermann’s new handheld manifold, made to be small, powerful, and built on real tech feedback from the field. Tyler Nelson talks about why switching from analog to digital tools helps techs stay safe, prove their work, and meet rising customer demands. He explains how using apps, reports, and even ChatGPT can help explain issues clearly and back up recommendations. Tyler shares how storing job data makes follow-ups easier and builds trust over time. He also talks about Sauermann’s new compact manifold, made for real-world use with long battery li
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How Improper Handling and Low Airflow Kill HVAC Compressors Without Warning with Glen Schwarzman
02/06/2025 Duration: 28minIn this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with Glen Schwarzman from Copeland about compressors and refrigerants. They discuss why using the wrong refrigerant can cause problems and void warranties. Glen explains different types of compressors, how variable speed tech works, and the importance of protecting compressors with things like phase monitors. They also cover tips for oil return in modulating compressors and why understanding new tech is key for HVAC techs. The episode is full of helpful info for anyone working with modern HVAC systems. Glen Schwarzman explains how using the right refrigerant and compressor protects HVAC systems and avoids costly failures. He breaks down the differences between single-stage, two-stage, and variable speed compressors and why electrical protection is important. Glen shares tips on oil return in modulating compressors and the role of vapor injection in heat pumps. He also stresses the need for techs to learn modern HVAC technology to bette
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How HVAC Techs Use ChatGPT and Claude to Shift into Sales Without Slick Talk – Tony & Ben Part 2
29/05/2025 Duration: 18minIn this episode of the HVAC Know It All Podcast, host Ben Reed continues his chat with Tony Mormino, is VP of Technical Media at AIR Control Concepts and a host on HVAC TV. In Part 02, Tony shares key lessons from his career, like the value of showing up when things go wrong, how hands-on experience can boost trust, and why honesty builds strong client ties. He also talks about ways technicians can shift into sales roles and what to expect day-to-day. Tony opens up about using AI tools like ChatGPT for content and gives advice for anyone thinking about changing careers or growing in the HVAC field. Tony Mormino shares how showing up during tough times helps build trust in HVAC sales. He talks about learning from mistakes, caring for clients even after the sale, and how techs can move into sales roles. Tony also explains how using AI tools like ChatGPT helps with content and how real-world experience matters more than being a slick salesperson. Throughout this episode, Tony shares how caring deeply, staying ho
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How Technical Pros Succeed in HVAC Sales without Being Sleazy by Earning Loyalty - Tony & Ben Part 1
26/05/2025 Duration: 20minIn this episode of the HVAC Know It All Podcast, guest host Ben Reed talks with Tony Mormino is VP of Technical Media at AIR Control Concepts and a host on HVAC TV. Recorded live at AHR Expo 2025, they dive into the real-world challenges of selling large HVAC systems. Tony shares how he moved from engineering into sales and why building trust is key in commercial projects. They discuss the value of honest sales, the importance of strong relationships, and how good reps act like consultants. Tony also explains how every sale is about solving problems, not just selling products. Tony Mormino talks with Ben Reed about selling HVAC systems for big commercial buildings. He explains how his background in engineering and learning from his dad helped him move into sales. Tony shares why trust and honesty are so important in commercial HVAC, where jobs are bigger and long-term results matter. He talks about helping engineers and building owners find the right equipment, even if it means recommending a competitor. Tony
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The Spring & Summer HVAC Maintenance Guide for Technicians to Prevent System Failures Fast
22/05/2025 Duration: 09minIn this solo episode of the HVAC Know It All Podcast, host Gary McCreadie, Director of Player Development and Head Coach at Shelburne Soccer Club and President of McCreadie HVAC & Refrigeration Services and HVAC Know It All Inc, shares key HVAC maintenance tips for spring and summer. He talks about checking filters, fans, and airflow before diving into more complex issues. Gary covers smart ways to inspect electrical parts, avoid system damage, and keep coils and drains clean. He also gives advice on airflow testing, using probes instead of gauges, and ethical upgrades like better filters or humidity control. It’s a helpful guide for techs to keep systems running smoothly as the weather warms up. Gary shares easy-to-follow HVAC tips to help techs get systems ready for warmer weather. He talks about checking filters, fans, and airflow first, and how a quick look at belts, pulleys, and bearings can prevent bigger issues. He covers why it’s smart to start systems from their controls, how to spot problems in
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The No-Brazing HVAC Method for Technicians to Prevent Fire Hazards Using SmartLock with Mason Parker
19/05/2025 Duration: 25minIn this episode of the HVAC Know It All Podcast, host Gary McCreadie chats with Mason Parker from Wright Sales about Smart Lock, a tool-free HVAC fitting. They dive into how Smart Lock works, its safety benefits, and how it helps avoid brazing in tight spots. Mason explains its design, types of fittings, and how it connects without flaring. He shares stories from the field, tips for first-time users, and why the product is ideal for unitary and ductless installs. The episode is packed with useful advice for techs open to trying new, safer ways to connect refrigerant lines. Mason Parker breaks down how Smart Lock fittings help HVAC pros avoid brazing and make fast, strong pipe connections. He explains how they work, the different types, and how they handle high pressure. Mason shares real stories, why they're great for tight spots, and how easy they are to use. He also gives tips for first-time users and talks about the safety benefits, like avoiding fire risks during installations. Throughout this episode, Ma
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How Women in HVAC Are Gaining Respect by Climbing Roofs and Rejecting Generic Sales – Chloe Glynn Part 2
15/05/2025 Duration: 24minIn this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his conversation with Chloe Glynn, a sales genius in commercial and industrial HVAC maintenance at Midwest Mechanical (Commercial, Industrial HVAC Mechanical Services - a Service Logic Company). In Part 02, they discuss how Chloe builds trust by avoiding one-size-fits-all maintenance plans, doing her own equipment walkthroughs, and being honest when she doesn’t know something. Chloe also shares how personal branding, especially on LinkedIn, helps her grow in her role and connect with clients. She gives advice for newcomers in sales and talks about her passion for advocating for the trades and inspiring the next generation. Chloe Glynn shares how she earns respect in HVAC by doing full walkthroughs, skipping cookie-cutter plans, and making custom offers. She talks about facing bias but staying confident, learning on the job, and being honest when unsure. Chloe also explains how building a strong personal brand on LinkedIn helps her
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The Smart HVAC Sales Strategy to Win Union Clients and Avoid Price Traps with Chloe Glynn Part 1
12/05/2025 Duration: 24minIn this episode of the HVAC Know It All Podcast, host Gary McCreadie chats with Chloe Glynn, a sales expert in commercial and industrial HVAC maintenance at Midwest Mechanical (Commercial, Industrial HVAC Mechanical Services - a Service Logic Company). Chloe explains how she sells maintenance plans for large buildings, focusing on keeping equipment running smoothly to avoid costly repairs. She shares why her company’s teamwork and skilled union technicians make a big difference. They talk about why regular maintenance is important, how it saves money, and how tools like XOi help explain problems clearly. Chloe also talks about how she learned HVAC on the job without a tech background. Chloe Glynn talks with Gary McCreadie about how she sells HVAC maintenance for big buildings at Midwest Mechanical. She explains why they mostly work on commercial and industrial jobs, not homes or small shops. Chloe shares how their team uses skilled union techs, works closely together, and uses tools like XOi to show problems
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How Copeland's Sensi Touch 2 Thermostat Revolutionizes HVAC Installation - Tom, Randy & Ben Part 2
08/05/2025 Duration: 20minIn this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with Tom Lorenz the Director of Product Management at Copeland and Emerson, Randy Ruiz, the chief engineer at Emersion, and Ben Reed who is the principal of Teal Maker and Technical Marketing Specialist at HVAC Know it All and measureQuick, about the latest Sensi thermostat and AIM module by Copeland. They cover how it’s easy to install, works wirelessly, and connects with top IAQ monitors. The guests explain how the system uses temperature and humidity to make smart choices and how they tested it in extreme weather. They also discuss why the product is reliable, how it saves time, and why contractors find it simple to use in real jobs. Tom Lorenz and Randy Ruiz explain how the Sensi thermostat uses sensors and smart tech to control air systems better. They talk about how it works with IAQ monitors, handles tough weather, and is easy for techs to install. They also share how strong wireless signals and simple setup make jobs faster and
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How the EIM Solves HVAC Wiring Problems and Powers Wireless Upgrades with Tom, Randy and Ben
05/05/2025 Duration: 20minIn this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with Tom Lorenz the Director of Product Management at Copeland and Emerson, Randy Ruiz, the chief engineer at Emersion, and Ben Reed who is the principal of Teal Maker and Technical Marketing Specialist at HVAC Know it All and measureQuick, about a new wireless HVAC tool called the Equipment Interface Module (EIM). Tom explains how it helps fix wiring problems without needing to pull new wires, making upgrades easier. Randy shares how the team built and tested the EIM to make sure it is strong and reliable. Ben adds that wireless tech is getting better and saves time and money. They also discuss how the EIM works with the Sensi Touch 2 thermostat for full system control. Tom Lorenz, Randy Ruiz, and Ben Reed talk about a new wireless tool that helps HVAC systems work without extra wiring. Tom explains how the Equipment Interface Module (EIM) makes upgrades easier, even when wires are missing or broken. Randy shares how they built and te
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How Humidifiers Avoid Mold for HVAC Pros Using Water Activity and RH Science with Marlee and Montana
01/05/2025 Duration: 32minIn this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with Marlee Spiegelberg and Montana McElwain from Condair USA/CA about mold, humidity, and air quality. They explain what the water activity factor is and how it connects to mold growth. They also talk about keeping homes and buildings safe by controlling humidity. Their goal is to clear up common fears about mold and show better ways to manage air quality. Marlee and Montana explain why people are often scared of mold when it’s not always a big danger. They talk about how keeping the right humidity can stop mold from growing. They also share how new technology helps control air quality better. Good control systems can protect homes, businesses, and even hospitals by keeping the air safe and healthy. Throughout this episode, Marlee and Montana talk about why managing humidity the right way is so important. They explain that using the right systems and keeping moisture levels steady helps prevent mold and keeps buildings healthy over ti
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A3 Refrigerant Parts Must Be Intrinsically Safe
29/04/2025 Duration: 05minOn this short episode of the HVAC Know It All Podcast, Gary talks to us about A3 refrigerant parts and why they need to be intrinically safe and can't be any part off the truck. Check out Jobber for a 2 week free trial. getjobber.com/hvacknowitall
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Microsoft Copilot and Bluon for HVAC Apprentices to Replace Toxic Training – Patrick Butler Part 2
28/04/2025 Duration: 22minIn 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 old-school methods to modern approaches using social media and AI tools. Patrick also talks about the importance of allowing apprentices to fail and learn, while embracing new tech like Microsoft Copilot to streamline work and improve skills. Patrick Butler talks about the shift in HVAC training, explaining how apprentices now have access to online resources and AI tools like Microsoft Copilot. He emphasizes the importance of learning from mistakes and how embracing new technology helps technicians stay competitive in the ever-evolving HVAC field. Throughout this episode, Patrick shares how HVAC training has evolved, with online resources and AI tools playing a big
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The Truth Behind Shielded Cables, Programming Logic & HVAC Controls for Techs – Patrick Butler Part 1
24/04/2025 Duration: 23minIn 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 energy, makes things work better, and helps find problems fast, especially in big buildings. He also shares how smart tech like controllers and inverters are now being used in both homes and commercial setups. Patrick Butler talks about how building automation is changing the way we manage HVAC systems. He explains how automation helps save energy, keep buildings running smoothly, and make quick repairs. Patrick shares his experience with both mechanical HVAC work and building controls, discussing how smart systems like chillers, pumps, and sensors are integrated. He also touches on the importance of understanding both the mechanical and control sides to be successf