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

MACS Summer of Service Videos


Calling all MACS members! MACS is launching the summer of service videos! Send us a short mobile A/C technical tip video less than 10 minutes that explains a service procedure or is educational and not overly commerical and we will … Continue reading

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Honeywell opens new R-1234yf plant in Louisiana


Honeywell announced that it has started commercial operations at its new manufacturing plant in Geismar, La., to meet the growing global demand for its next-generation mobile air conditioning refrigerant. With this start-up, the plant has become the world’s largest site … Continue reading

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Clinics, clinics and more mobile A/C clinics!


MACS has been busy training all around North America. Here are a few photos from the clinics…

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Do you have the right tools to repair mobile A/C systems?


Global Service Horizons   2017 MACS Worldwide Trade Show puts the future in plain sight May I share something with you? Of all the automotive industry events I cover each year, it is the annual Mobile Air Conditioning Society Worldwide … Continue reading

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What happened at the 2017 MACS Training Event?


The April 2017 issue of award-winning MACS ACTION magazine is now available with a comprehensive wrap-up of all the training classes presented at MACS 2017 Training Event and Trade Show. View what’s inside

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

Robinair and MACS Worldwide to provide free Section 609 test prep webinar and online test on May 9


  Robinair and MACS Worldwide to provide free Section 609 test prep webinar and online test on May 9 Robinair is partnering with the Mobile Air Conditioning Society (MACS) Worldwide to provide a free Section 609 test prep webinar for … Continue reading

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What you don’t know can hurt your diesel engine


By Lauren Lewis An introduction to heavy-duty coolant technology and best practices Coolant has a few basic jobs in a vehicle’s engine, not the least of which is to absorb heat from components and dissipate it through the radiator into … Continue reading

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Meet Jay Brown of Nissens North America


Meet MACS member, Jay Brown, general manager of Nissens North America, Inc., located in Grapevine, TX. Nissens, headquartered in Denmark, has been a member of MACS since 2004. Nissens manufactures radiators, condensers, evaporators, compressors, oil coolers (engine, transmission, power steering), … Continue reading

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MACS AG HVAC clinic in Norfolk, NE


MACS held our first ever agricultural HVAC clinic at MACS member Northeast Community College in Norfolk, NE on Friday, March 24 attended by 31 technicians. MACS wants to thank Doug McKibbon of Northeast Community College for his invitation to use … Continue reading

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Truck heater control valves


By Chris Tyson, MACS heavy duty contributor We have several Class 8 trucks in our fleet and when temperatures begin to drop outside many of their owners visit our shop for heater-related repairs. That’s exactly what happened when the operator … Continue reading

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