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

Gen 2 Ridgeline cools with R-1234yf


  By Steve Schaeber, MACS Technical Editor The 2017 Ridgeline is the second generation of Honda’s midsize pickup truck, redesigned and brought back in June 2016 following a short 2 year production hiatus. Like other manufacturers who are introducing new … Continue reading

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MACS membership, what’s in it for me?


The top reasons to become a member of the Mobile Air Conditioning Society (MACS) Worldwide Why I should I join the Mobile Air Conditioning Society (MACS) Worldwide? What’s in it for me? The answers are simple: information, networking and training. … Continue reading

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Another A/C milestone


  By Steve Schaeber, MACS Technical Editor We’ve reached another milestone in the mobile A/C refrigerant timeline, and this time it’s a big one: January 1, 2017 was the drop-dead date set by the EU (European Union) for when vehicle … Continue reading

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MACS 2017 Training Classes


Training Event & Trade Show February 15-18,2017 Scheduling of training has been optimized to double the number of training courses and topics attendees can experience during the two-day event.  Compiled by Elvis Hoffpauir THURSDAY MORNING AND AFTERNOON PASSENGER CAR / … Continue reading

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Hybrid and battery electric vehicle A/C


By Steve Schaeber, MACS Technical Editor Internal combustion engines have powered our transportation for decades, including the cars and trucks we drive each day. Over the years we’ve seen attempts to build vehicles that run on something out of the … Continue reading

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2016: A busy year!


By Steve Schaeber, MACS manager of service training It’s been quite a busy year in mobile A/C, and not just because of the long, hot summer season that started here on 5/26 (our first heat wave) and ended on 9/23. … Continue reading

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While my water pump gently weeps…apologies to George Harrison


  By Steve Schaeber, MACS Technical Editor Most modern engines use some type of water pump to circulate antifreeze through the engine and heat exchangers to regulate operating temperature. Many of the engine-driven pumps contain shaft seals that are lubricated … Continue reading

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Servicing R-1234yf Mobile A/C Systems-A MACS Whitepaper


 Download the MACS whitepaper  on Servicing R-1234yf Mobile Air Conditioning Systems, all the service and repair information you need to know. Revised 11/17/16 If you’re a service professional and not a MACS member yet, you should be! Become a member and … Continue reading

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Changing regulations is no simple matter


By Keith Leonard, ESQ Regulations play an integral role in all of our lives. It is impossible to imagine driving a vehicle without regulations governing driving behavior. Without such regulations, every time you drive could, perhaps be, an accident waiting … Continue reading

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Retrofitting R-1234yf mobile air conditioning systems is prohibited


By Ward Atkinson and Bill Hill  Note: The information in this article is the current overview as collected by Ward Atkinson and Bill Hill from industry and regulatory sources. It is not intended to provide all possible issues covering any … Continue reading

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