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

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

Posted in #1234yf, ACtion Magazine, MACS Member, MACS Training Event, Mobile Air Conditioning, Training | Tagged , , , , , , | Leave a comment

It’s not your Daddy’s Section 609 certification anymore


By Steve Schaeber, MACS Manager of Service Training If you were Section 609 certified before 2015 and you’re scrambling to find your card to buy refrigerant this Spring that’s fine, but after you calm down and get a shiny new … Continue reading

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Look at this beauty!


Longtime MACS member Gus Swensen serviced this 1957 Bentley yesterday, he got their A/C back in shape at Cool Car Auto Air of Columbus, GA.

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Radiator Inspection


By Chris Tyson, MACS Heavy Duty Contributor Our fleet includes more than 180 pieces of equipment, and while we implemented a periodic inspection program many years ago, there are still times when job requirements make it impractical or inefficient to … Continue reading

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Coolant chemistry review


By Dave Hobbs, MACS Technical Correspondent Ethylene glycol (EG) was green back when I was a young tech, and its formula is fairly obsolete now. Its technical name is IAT (Inorganic Additive Technology), which contained Borates, Phosphates and Silicates. Silicates … Continue reading

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Another GM Antifreeze


By Paul Weissler, MACS Senior Technical Correspondent Every engineering group of every car company wants exclusivity, and that often extends down to the smallest things. Then the corporate purchasing teams for the parts departments look them over and decide there … 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 , , , | 1 Comment

Tariffs: A two-edged sword


By Keith Leonard, Esquire. While not for the first (or the last) time in United States history, the current administration has announced the imposition of tariffs on imported steel and aluminum (though not as to steel and aluminum imported from … Continue reading

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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

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