Category Archives: Refrigerants

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

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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

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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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Seeking yf


By Steve Schaeber, MACS Manager of Service Training MACS has been tracking refrigerant use by vehicle manufacturers for quite some time and, as expected for the 2018 model year, we have seen a few more manufacturers choose to change over … Continue reading

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Would you like to have refrigerant charge amounts and oil specs in the palm of your hand?


Join the Mobile Air Conditioning Society (MACS) Worldwide as a paid member and you’ll have access to our MACS mobile A/C diagnostics app with the MOTOR information refrigerant and oil specs ready to access through your mobile device! Watch the … Continue reading

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MACS to Hold Free Section 609 Certification Class at 2018 Training Event


The Mobile Air Conditioning Society (MACS) Worldwide will provide a free Section 609 certification class for up to 100 professional automotive technicians on Friday, February 16 at 1 p.m. EST at the Caribe Royale Hotel and Convention Center 8101 World … Continue reading

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Our struggle with compressor oil


January February 2018 ACTION Magazine One of the most troubling situations a shop technician faces is not being able to find critical service information needed to properly diagnose and repair a vehicle. This could be anything from torque specs and … Continue reading

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MACS reminds the aftermarket to be aware of changes to Section 609 requirements in 2018


Technicians who service mobile A/C systems and distributors who sell refrigerant need to be aware of new regulations effective on January 1, 2018 concerning the requirement of technicians to be Section 609 certified.   The final rule published November 2016 … Continue reading

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Flooded vehicle dangers-Nov/Dec ACTION magazine


Far more important than the automotive service world, floods related to Hurricane Harvey,  Irma, Jose and Maria have been responsible for taking dozens of lives and destroying the homes of thousands of citizens living in Texas, Louisiana, Florida and Puerto … Continue reading

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