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

Registration is now open for MACS 2020 Training Event and Trade Show


Registration is now open for ACcess, the MACS 40th anniversary Training Event and Trade Show to be held February 19-22, 2020 at the Gaylord Opryland Resort and Convention Center in Nashville, TN. Attendees will gain ACcess to mobile A/C and … Continue reading

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Vehicle power management and HVAC


September/ October 2019 ACTION Magazine Vehicle power management and climate control In the case of many late model vehicles, there are more and more systems utilizing electrical power management strategies than ever before. The wrong battery or, worse, generator installed … Continue reading

Posted in #1234yf, #off road vehicles, ACtion Magazine, Automotive training, Electrical/Electronic, Environmental Protection Agency, Mobile Air Conditioning, Refrigerants, Training | Tagged , , , , , | Leave a comment

Last call to register for the Automotive Software and Electronics Boot Camp


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

Posted in #1234yf, Automotive, Automotive training, Electrical/Electronic, MACS Member, Mobile Air Conditioning, Training | Tagged , , , | Leave a comment

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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All about truck and off road mobile A/C


So where do we go from here? That is the question.  There aren’t a whole lot of new things we can do with an air conditioning system to improve how it works.  Oh, there are some incremental things to enhance … Continue reading

Posted in #off road vehicles, ACtion Magazine, Automotive training, MACS Member, Mobile Air Conditioning | Tagged , , , , , | Leave a comment

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

Posted in #1234yf, ACtion Magazine, Automotive training, Electrical/Electronic, Hybrid, Refrigerants, Training | Tagged , , , , , , , , | 2 Comments

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

Posted in #1234yf, ACtion Magazine, Automotive, MACS Member, Mobile Air Conditioning, Refrigerants, Uncategorized | Leave a comment

Are you making the most of your equipment?


Independent garages have been slow to make the investment in equipment to work on R-1234yf systems, and many car dealers’ service departments couldn’t be happier about that.  When the car manufacturers, whose products they sell, began the changeover, new recovery/recycle/recharge … 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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