HVAC Techs Are Overcharging Heat Pumps in Cold Weather with Jim Bergmann | Part 2

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 system charges, leveraging automation in diagnostics, and continuously learning to stay ahead in the industry. Plus, they explore how measureQuick’s tools streamline charging for both Termostatic Expansion Valves TXVs and fixed orifice systems, reducing errors and improving overall system performance.

This episode is filled with real-world HVAC insights, innovative charging techniques, and practical solutions to help technicians improve accuracy, optimize system performance, and adapt to low ambient conditions with the right tools and technology.

Expect to Learn:

• Why ongoing education is essential for technicians to master low ambient charging.

• How modern HVAC tools like measureQuick simplify refrigerant charging and diagnostics.

• The importance of verifying system charge to prevent overcharging and inefficiencies.

• How traditional charging methods can lead to costly mistakes in low ambient conditions.

• How automation, charging blankets, and better practices improve HVAC efficiency.

  
  

Episode Highlights:

[00:00] – Introduction to the Second Part of the Episode with Jim Bergmann

[02:17] – Understanding Refrigerant Charging Curves for Heating and Cooling in HVAC

[04:04] – How measureQuick Automates Low Ambient Charging for TXVs & Fixed Orifice Systems

[05:19] – Talking About Charging Blankets and its Automation in HVAC Testing

[06:14] – Safe Ways to Warm Refrigerant Tanks & Why Hot Water Baths Can Be Risky

[08:04] – Hydrostatic Force & Refrigerant Expansion: Understanding System Pressures

[09:02] – Avoiding Dangerous Charging Mistakes & Lessons from Field Experience

[11:56] – Optimizing Vacuum Pump Performance & System Charging in Cold Weather

[14:01] – NAVAC & measureQuick Partner with HVAC Manufacturers to Advance AI-Driven Diagnostics

[15:10] – Final Thoughts & Discussing the Integration of HVAC Tools with measureQuick

This Episode is Kindly Sponsored by:

Master: https://www.master.ca/

Cintas: https://www.cintas.com/

Supply House: https://www.supplyhouse.com

Cool Air Products: https://www.coolairproducts.net

Lambert Insurance Services: https://www.lambert-ins.com

Follow the Guest Jim Bergmann on:

LinkedIn: https://www.linkedin.com/in/jim-bergmann-2968178/

measureQuick : https://www.linkedin.com/company/measurequick-application/

Redfish Instruments Inc: https://www.linkedin.com/company/redfish-instruments/ 

Download the measureQuick App here:

https://play.google.com/store/apps/details?id=com.measurequick.hvac 

Follow the Host:

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

Website: https://www.hvacknowitall.com

Facebook:https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/  

Instagram: https://www.instagram.com/hvacknowitall1/