Author Archives: macsworldwide

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

A Conversation with Ward Atkinson on A/C history & GM


By Steve Schaeber, MACS Technical Editor In this video (see link below), MACS technical advisor Ward Atkinson discusses the early days of mobile A/C development, and some of his experiences while working at GM (specifically the Chevrolet Division of General … 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

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

Made in America?


By Keith Leonard, Esquire The United States and Mexico reached a trade agreement in August of this year. This deal has been publicized as a renegotiation of the North American Free Trade Agreement (NAFTA), the trade agreement that took effect … Continue reading

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Technician training yields competitive edge


“Current technologies for thermal management systems are changing and becoming ever more complex,” explained Peter Bradley in his presentation at MACS 2018 Training Event and Trade Show titled, Future Trends in Thermal Management Systems. Bradley, head of technical service for … Continue reading

Posted in Automotive, Automotive Aftermarket, Automotive training, MACS Member, MACS Training Event, Mobile Air Conditioning, Training | Leave a comment

Meet Jeff Schultz of Schrader Pacific


By Marion J Posen, MACS VP member relations and marketing Everyone knows the Schrader valve; it’s been around since 1893, and has been used in A/C systems since we haven’t had to open the car windows to stay cool. But … 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

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

823d RED HORSE


By Steve Schaeber, MACS Technical Editor I think I stumbled upon one of the best days to travel by air: Labor Day. Short lines at security, and on the plane I even had the row to myself! In all the … Continue reading

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Escalating trade war


By Keith Leonard, Esquire The current administration has already imposed tariffs on imported steel and aluminum, sparking retaliatory tariffs imposed by multiple countries against goods imported from the United States. The tariffs imposed by the United States were couched as … Continue reading

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There’s no place like AGCO!


By Steve Schaeber, MACS Technical Editor Although the underlying principles behind what makes mobile A/C work are the same regardless of whether you’re working on a pickup truck, a tractor or the family van, there are differences that make working … 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

Posted in #1234yf, ACtion Magazine, Automotive Aftermarket, Mobile Air Conditioning, Training | Tagged , , , , | Leave a comment