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

Heavy duty truck and off-road training digest


By Dr. Alex Moultanovsky The MACS session began with Dan Spurgeon of CAT who introduced the new Track-Type Tractor D6. Dan pointed out that the D6 is equipped with a completely new design HVAC system called Conditioner Group, which is … Continue reading

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Cars with a different gas (R-415B)


By Steve Schaeber, MACS Technical Editor Some Chinese vehicles are being shipped to South America with a different type of refrigerant gas than what most technicians are used to seeing. In this case it’s a blend refrigerant called R-415B. Sightings … Continue reading

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MACS to Sponsor Automotive Software & Electronics Boot Camp with Dr. Mark Quarto


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

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

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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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