Category Archives: #1234yf

Last call to register for the Automotive Software and Electronics Boot Camp


The Mobile Air Conditioning Society (MACS) Worldwide is sponsoring the Automotive Software and Electronics Boot Camp with Dr. Mark Quarto in partnership with FutureTech Auto at the MACS training center in Lansdale, PA September 16-20, 2019. Top auto repair shops need to learn … Continue reading

Posted in #1234yf, Automotive, Automotive training, Electrical/Electronic, MACS Member, Mobile Air Conditioning, Training | Tagged , , , | Leave a comment

The future is electric!


June ACTION 2019 Hybrid and electric vehicle air conditioning compressor hardware, power controls and diagnostics For more than 15 years, hybrid and electric vehicles have been using electric air conditioning compressors.  The reason for the use of these air conditioning … Continue reading

Posted in #1234yf, ACtion Magazine, Automotive training, Electrical/Electronic, Hybrid, Refrigerants, Training | Tagged , , , , , , , , | 2 Comments

Finding yf (2019 Refrigerant Update)


By Steve Schaeber, MACS Technical Editor (May 20, 2019) ©2019 Mobile Air Conditioning Society Worldwide As part of our continuing effort to document the industry’s changeover to R-1234yf, MACS once again attended the Philadelphia Auto Show to see the new … Continue reading

Posted in #1234yf, ACtion Magazine, Automotive, MACS Member, Mobile Air Conditioning, Refrigerants, Uncategorized | Leave a comment

Are you making the most of your equipment?


Independent garages have been slow to make the investment in equipment to work on R-1234yf systems, and many car dealers’ service departments couldn’t be happier about that.  When the car manufacturers, whose products they sell, began the changeover, new recovery/recycle/recharge … Continue reading

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Are you ready for A/C season?


Reviewing the fundamentals: Pressures We started out with a brief review of A/C system pressure testing order to build up to the major point of the class which was the effect of variable displacement compressor solenoids on temperature and pressure … Continue reading

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Do you know how to find coolant leaks?


Finding Coolant Leaks Some days, around this time of year, it feels like all we do is chase down coolant leaks. Maybe that has something to do with weather patterns and large swings in ambient temperature. It may also relate … Continue reading

Posted in #1234yf, #off road vehicles, ACtion Magazine, Automotive, Hybrid, Mobile Air Conditioning, Training | Tagged , , , | Leave a comment

Possible new EPA regulation coming in 2019


By Steve Schaeber, MACS Manager of Service Training Those of you who have been following MACS WordPress BLOG know that much has taken place regarding refrigerant regulations in the last few years. Our recent saga started back in 2015 when … Continue reading

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2018 MACS Service Information Survey


The Mobile Air Conditioning Society (MACS) was organized to serve the mobile air conditioning industry. MACS’ charter and mission are communication and education. To achieve these goals, the Society has developed training programs and coordinated information between the air conditioning … Continue reading

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Do you know your HVAC components?


  The first part of any good under-hood inspection should include a label check. The labels below provide us with refrigerant charge specifications to correlate to the OE specifications found in service information. Notice the specifications for the R-1234yf charge … Continue reading

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Are you ready for A/C season?


This is the MACS blog site if you are looking for the MACS main website click here. Repair shops – one question: Are you prepared for A/C season 2018? Circle the right answer: YES – NO What do you mean … Continue reading

Posted in #1234yf, ACtion Magazine, MACS Member, MACS Training Event, Mobile Air Conditioning, Training | Tagged , , , , , , | Leave a comment