Category Archives: #1234yf

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

Posted in #1234yf, Automotive Aftermarket, Automotive training, MACS Member, Mobile Air Conditioning, Refrigerants | Tagged , , , , , , , , | Leave a comment

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

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The time for mandatory Section 609 recertification is now


The new refrigerant purchasing rules that took effect January 1, 2018 have had service shops, distributors and the MACS office in an uproar. At the MACS office, the faxes, emails, phone calls and mail deliveries never stop. Every technician wants … Continue reading

Posted in #1234yf, ACtion Magazine, Environmental Protection Agency, Mobile Air Conditioning, Uncategorized | Tagged , , , | Leave a comment

The mobile A/C industry on display


The MACS trade show has always been something special among automotive service exhibitions.  It’s a place where you see parts, tools and equipment for mobile climate control and vehicle cooling systems that you won’t see elsewhere.  And you usually first … 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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Section 609 important information


If you still have questions about Section 609 certification please review our list of frequently asked questions by clicking here.    

Posted in #1234yf, #off road vehicles, Automotive training, Hybrid, MACS Member, Mobile Air Conditioning, Training | Leave a comment

MACS Training Clinic in Watertown, SD


Many thanks to MACS member Lake Area Technical Institute for hosting a capacity crowd at their training center Friday, March 23 for a MACS mobile A/C heavy duty best practices class. MACS training classes are happening all Spring see the … Continue reading

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Section 609 certification frequently asked questions


The MACS office continues to experience a high volume of telephone calls regarding questions about Section 609 certification. Please read through the list of questions and answers below before calling the MACS office. Thank-you This is the MACS  wordpress blog, … Continue reading

Posted in #1234yf, Automotive Aftermarket, Automotive training, MACS Member, Mobile Air Conditioning | Tagged , , , , , , | 1 Comment

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

Posted in #1234yf, MACS Member, MACS Webinar, Mobile Air Conditioning, Refrigerants, Training | Tagged , , , , | Leave a comment