The Refrigerant Revolution: From 134A to YF and Beyond [THA 424]

Thanks to our Partners, NAPA TRACS, and Today’s Class

Recorded at the 45th annual Mobile Air Climate Systems Conference (MACS 2025) in Orlando, Florida, Honeywell experts explore the advantages of retrofitting older 134A systems with 1234YF refrigerant, highlighting its significantly lower global warming potential. They also discuss the growing complexity of thermal management in EVs, where efficient cooling for batteries and electronics is essential, and the ongoing search for standardized, high-performance refrigerants. Gain insights into the environmental benefits of transitioning to 1234YF, the challenges of EV thermal management, and the critical need for education and training in the automotive aftermarket.

Curtis Vincent, Honeywell

MaryJo Vandenbrink, Honeywell

Show Notes

• Watch Full Video Episode
• TST Big Event, March 29th, 2025: https://www.tstseminars.org/
• MACS Training Event & Trade Show: https://macsmobileairclimate.org/
• National Automotive Service Task Force (NASTF): https://wp.nastf.org/
• Koura: https://www.kouraglobal.com/
• Honeywell: https://www.honeywell.com/us/en
• Panel Introduction (00:0:00)
• MaryJo’s Background (00:02:14)
• Curtis’s Background (00:02:40)
• Thermal Management Discussion (00:03:12)
• EVs and Thermal Management (00:04:01)
• Heating Vehicles in Winter (00:04:43)
• Industry Trends Warning (00:06:27)
• Technician Challenges (00:06:57)
• Training on Refrigerants (00:07:21)
• Retrofit Solutions Discussion (00:07:59)
• Environmental Impact of Refrigerants (00:08:40)
• Flammability Concerns (00:09:32)
• Market Adoption of New Refrigerants (00:09:59)
• Discussion on Refrigerant Changes (00:11:01)
• Future Refrigerant Options (00:11:57)
• Standardization Challenges (00:12:37)
• Timeline for New Refrigerant Standards (00:13:44)
• Continuous Education Emphasis (00:16:26)
• The Impact of Refrigerant Usage (00:17:55)
• Environmental Implications (00:18:59)
• Transitioning to Electric Vehicles (00:19:55)
• EPA Approval Process (00:22:10)
• Flammability of Refrigerants (00:22:41)
• Refrigerant Retrofitting (00:23:10)
• Consumer Awareness (00:27:09)
• EV Thermal Management (00:30:20)
• Charging Experiences of EV Owners (00:33:19)le.

Thanks to our Partner, NAPA TRACS

NAPA TRACS will move your shop into the SMS fast lane with onsite training and six days a week of support and local representation. Find NAPA TRACS on the Web at http://napatracs.com/

Thanks to our Partner, Today’s Class

Optimize training with Today’s Class: In just 5 minutes daily, boost knowledge retention and improve team performance. Find Today’s Class on the web at https://www.todaysclass.com/

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