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 accuracy.

Gary and Brent explore the core principles of thermal imaging, from detecting building envelope inefficiencies to using thermal imaging for compliance with new NFPA 70B standards. Brent also sheds light on the business potential of offering thermography as a service, backed by practical tips and real-world examples of improving safety, reliability, and customer satisfaction.

Packed with actionable advice and thought-provoking discussions, this episode is a must-listen for HVAC professionals looking to stay ahead of the curve by integrating innovative tools into their workflows.

Expect to Learn:

The Basics of Thermal Imaging: Core principles and killer applications of thermal cameras for HVAC, plumbing, and electrical trades.

Building Envelope Insights: How to identify air leaks, missing insulation, and other building inefficiencies to improve comfort and energy efficiency.

NFPA 70B Compliance: Leveraging thermal imaging for electrical inspections to meet industry standards and reduce liability risks.

Business Opportunities in Thermography: Strategies for contractors to add value and generate recurring revenue through thermal imaging services.

Real-World Applications: Practical examples of detecting water leaks, troubleshooting HVAC issues, and resolving customer comfort problems with thermal imaging.

Episode Highlights:

[00:33] – Podcast Introduction

[02:50] – Welcoming Brent Lammert and the Importance of Thermal Imaging

[03:45] – Applications of Thermal Cameras in HVAC, Plumbing, and Electrical Trades

[06:56] – NFPA 70B Compliance: A New Standard for Electrical Inspections

[10:08] – Business Opportunities: Leveraging Thermal Imaging for Recurring Revenue

[11:41] – Identifying Building Envelope Issues: Air Leaks and Missing Insulation

[16:03] – Practical Tips for Using Thermal Cameras Effectively

[17:48] – Understanding Emissivity: What it is and how it impacts thermal imaging accuracy.

[23:41] – Detecting Water Leaks Behind Walls with Thermal Imaging

This Episode is Kindly Sponsored by:

Cool Air Products

Master

Cintas

Supply House

Follow the Guest Brent Lammert on: 

LinkedIn: www.linkedin.com/in/brentlammert/

Testo Instruments - North America: www.linkedin.com/company/testo-usa/ 

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/  

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 technical expertise and hands-on experience, offering insights into precision, safety, and efficiency.

With actionable tips and real-world examples, this discussion is a must-listen for HVAC professionals looking to refine their diagnostic and installation skills.

Expect to Learn:

Managing Leaking Schrader Valves: Effective methods for troubleshooting and addressing leaks in Schrader valves, a common challenge in HVAC systems.

Flaring Techniques: Best practices for achieving proper, leak-free flares, including the debate over reaming and the role of tools like torque wrenches.

Pressure Testing vs. Evacuation: Why both processes are critical and how to execute them for maximum accuracy and safety.

Using Sealants like Nylog: How Nylog can be applied to flares and Schrader caps to enhance sealing and prevent leaks.

Real-World Insights: Practical tips and experiences from Julian and Gary’s years in the field, including solutions for common system issues.

Episode Highlights:

[00:33] - Podcast Introduction & Recap of Part 1

[02:21] - Different Approaches to Pressure Testing: Timing and Customer Expectationss

[04:56] - Flapper Valves and Common Challenges in Pressure Testing & Evacuation Testing

[08:49] - Flaring Techniques: Debates on Reaming and Best Practices

[14:37] - Nylog for Sealing Flares: Practical Applications

[17:53] - Schrader Valves: Challenges, Misconceptions, and Best Practices

[23:42] - Final Tips for Successful Pressure Testing and Episode Wrap-Up

This Episode is Kindly Sponsored by:

Cool Air Products

Master

Cintas

Supply House

Follow the Guest Julian Finbow on: 

LinkedIn: https://www.linkedin.com/in/julian-finbow-rse-1048038b/

Finbow Inc.: https://www.linkedin.com/company/finbow-inc/

LinkedIn: www.linkedin.com/in/gary-mccreadie-38217a77/

Website: www.hvacknowitall.com

Facebook: www.facebook.com/hvacknowitall/

Instagram: www.instagram.com/hvacknowitall1/

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, proper equipment, and diligent inspections. They discuss key challenges, such as managing live systems and addressing leaks, while emphasizing safety at every step. Julian’s technical knowledge and hands-on experience make this episode a valuable resource for HVAC professionals aiming to enhance their skills, adapt to industry standards, and execute flawless installations.

Expect to Learn:

Managing Live Systems: Key techniques for handling live systems and addressing challenges like leaking valves.

Safety with High-Pressure Equipment: Essential safety measures for working with nitrogen tanks and pressure regulators.

Best Practices for Pressure Testing: A step-by-step approach to ensuring system integrity during installations and maintenance.

Inspection Tools and Tips: The importance of thorough inspections and the tools that make the process efficient.

Real-World HVAC Scenarios: Practical examples and lessons learned from Julian’s and Gary’s field experiences.

Episode Highlights:

[00:33] - Podcast Introduction

[02:32] - Welcoming Julian Finbow and an Overview of Pressure Testing

[04:39] - Safety Measures: Handling Nitrogen Tanks and Regulators

[08:58] - Real-World Challenges: Live Systems and Leaking Valves

[17:51] - Pressure Testing Tips for Residential and Smaller Systems

[25:09] - Tools and Techniques for Accurate Inspections

[27:40] - Common Mistakes and Lessons Learned from the Field

This Episode is Kindly Sponsored by:

Cool Air Products

Master

Cintas

Supply House

Follow the Guest Julian Finbow on: 

LinkedIn: https://www.linkedin.com/in/julian-finbow-rse-1048038b/

Finbow Inc.: https://www.linkedin.com/company/finbow-inc/

Follow the Host on:

LinkedIn: www.linkedin.com/in/gary-mccreadie-38217a77/

Website: www.hvacknowitall.com

Facebook: www.facebook.com/hvacknowitall/

Instagram: www.instagram.com/hvacknowitall1/ 

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 practical challenges and innovative solutions that HVAC professionals will face as they shift towards the new refrigerants. The conversation explores topics such as the flammability concerns of the new refrigerants, the role of sensors in system monitoring, and the specialized tools required for this transition.

Kevin Gill brings his extensive experience in refrigeration and HVAC systems to this episode, providing valuable insights into the technical and safety considerations surrounding the H2O refrigerant shift. His expertise helps contractors understand the nuances of implementing new technologies, ensuring safety, and future-proofing their work for evolving regulations and standards.

Expect to Learn:

Flammability of New Refrigerants: Understanding the real flammability risks and necessary safety measures.

Role of Sensors in HVAC: How sensors will enhance system monitoring and safety.

Specialized Tools: The new tools required for working with modern refrigerants and their benefits.

Adapting to Changes: Tips for HVAC pros to adjust to evolving refrigerant standards and practices.

Practical Insights: How contractors can stay ahead with new tech, tools, and regulations.

Episode Breakdown:

[04:02] - Flammability of New Refrigerants

[07:48] - Taking the Lead in Refrigeration

[17:43] - Understanding ASHRAE Refrigerant Flammability Differences

[22:19] - Navigating Future Equipment Changes

[26:04] - Tracking the Adoption of CSA B52 Standards

[28:42] - Safety Concerns with New Systems

[37:01] - Final Thoughts and Closing Remarks

This episode is kindly sponsored by:

Cool Air Products

Master

Cintas

Supply House

Connect with The Master Group:

The Master Group Website: www.master.ca

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/ 

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.

Jason Esteves is a seasoned expert in combustion technology and training, representing Seitron Americas Inc. With over 20 years of experience in the field, Jason combines technical expertise with a passion for educating HVAC professionals, making complex combustion concepts accessible and practical for technicians in the field.

Expect to learn:

Episode Highlights:

[01:41] - Podcast Introduction

[02:10] - Understanding Stoichiometric Combustion

[07:10] - Navigating the Stoichiometric Curve

[15:09] - Using Combustion Analyzers Effectively

[22:26] - Understanding NOx Emissions

[24:44] - The Importance of Proper Venting

[27:04] - Closing Thoughts and Open Invitation for Further Learning

Follow the Guest Jason Esteves on:
LinkedIn: www.linkedin.com/in/jason-esteves-9690255/

Seitron Americas LinkedIn: www.linkedin.com/company/seitron-americas-inc/

For a copy of Jason’s training presentation on combustion or any combustion-related queries, contact him directly at: [email protected]

Follow the Host on:

LinkedIn: www.linkedin.com/in/gary-mccreadie-38217a77/

Website: www.hvacknowitall.com

Facebook: www.facebook.com/hvacknowitall/

Instagram: www.instagram.com/hvacknowitall1/

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/

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