R-1234yf design and service considerations


By Jim Taylor, Editor MACS ACtion Magazine

Introducing some of the teachers and presenters that will be presenting classes at the upcoming MACS Training Event and Trade Show in February. Each of these class leaders has been chosen for their detailed knowledge of their topic and their ability to present it to you.

Jim Baker Low Res

Jim Baker, JAB Consulting LLC, 

Tim Craig

Tim Craig, Delphi Thermal Systems

“R-1234yf design and service considerations”

Change is coming with the recent U.S. and European introduction of the new A/C refrigerant, R-1234yf.  This session will provide the knowledge you need now to begin preparing your business and educating your customers for the future.  You’ll learn why R-1234yf was selected, when and where it was introduced, and the importance to you of the contributions of the many organizations that supported its development.

Equally important, you’ll gain an understanding of the properties, performance and unique chemistry of the refrigerant, and learn where to go for additional information.

Jim Baker served Delphi as a senior staff research scientist in the corporation’s advanced systems group. He was inducted into Delphi’s Innovation Hall of Fame, the company’s highest recognition for innovation, in 2004. While at Delphi, Jim was responsible for developing future refrigerant systems for vehicle air conditioning. After retiring from the company, he now serves as an industry consultant.

He has also served as a contributing member on a number of technical committees, and has been involved in development and implementation of the technology to recycle refrigerants on-site in repair shops, the conversion from CFC-12 to HFC-134a, and facilitating the development of a new class of lubricants to enable HFC-134a’s use in mobile air conditioning systems.

Tim Craig has a 23 year career with Delphi and has held positions in systems design and development, HVAC module design and development and program management. He is currently working in Delphi’s research and development group focused on alternate refrigerant and advanced systems projects.

Tim received both his masters and bachelors degrees in mechanical engineering from Purdue University. Tim is an active member of both MACS and the SAE Interior Climate Control Committee, as well as a longtime member of ASME.

The Mobile Air Conditioning Society’s blog has been honored as the best business to business blog in the Automotive Aftermarket by the Automotive Communications Awards and the Car Care Council Women’s Board!

When having your mobile A/C system professionally serviced, insist on proper repair procedures and quality replacement parts. Insist on recovery and recycling so that refrigerant can be reused and not released into the atmosphere.

If you’re a service professional and not a MACS member yet, you should be, click here for more information.

You can E-mail us at macsworldwide@macsw.org or visit to find a Mobile Air Conditioning Society member repair shop in your area. Click here  to find out more about your car’s mobile A/C and engine cooling system.

The 33rd annual Mobile Air Conditioning Society (MACS) Worldwide Training Conference and Trade Show, Be the Best of the Best will take place February 7-9, 2013 at the Caribe Royale, Orlando, FL.

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About macsworldwide

Mobile Air Conditioning Society (MACS) Worldwide Founded in 1981, MACS is the leading non-profit trade association for the mobile air conditioning, heating and engine cooling system segment of the automotive aftermarket. Since 1991, MACS has assisted more than 600,000 technicians to comply with the 1990 U.S. EPA Clean Air Act requirements for certification in refrigerant recovery and recycling to protect the environment. The Mobile Air Conditioning Society (MACS) Worldwide’s mission is clear and focused--as the recognized global authority on mobile air conditioning and heat transfer industry issues. www.macsw.org
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