Category Archives: Uncategorized

The future of cab filtration, HVAC design, and operator respiratory health


By Jeff Moredock The case for the osha silica regulation and its impact on mobile HVAC design “Why does the OSHA Silica regulation exist?” To protect workers from the dangerous effects of respirable crystalline silica. Silica, which comprises roughly 29% … 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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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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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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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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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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