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

Cool things can come in small packages


MACS member Gordon Marks of Marks Air in Tampa, FL shares some photos from a recent A/C job. A Cushman vehicle that is used by a local golf course maintenance team and since they are working in Florida, the occupant … Continue reading

Posted in #off road vehicles, Automotive, Mobile Air Conditioning | Tagged , , , , , , , , , , | Leave a comment

Is that a smartkey in your pocket? An important tip


Nissan encountered the “smartkey” issue with its Juke sporty crossover, and with all the smartkeys in use, and just so many suppliers, it’s certainly is possible across other makes—no one can tell you it can’t happen (and we have heard … Continue reading

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Why is lithium ion gaining popularity for EV applications?


Certainly, it isn’t because of low-cost. Lithium ion (Li-ion) is much more expensive than the nickel-metal hydride (NiMH) battery technology it is replacing. However, both specific energy and energy density of a lithium-ion battery pack is much greater than NiMH, … Continue reading

Posted in Automotive training, Electrical/Electronic, Mobile Air Conditioning | Tagged , , , , , , , | 1 Comment

U.S. fuel economy reaches all-time high


New vehicles achieved an all-time-high fuel economy in 2013, the Environmental Protection Agency announced. Model year 2013 vehicles achieved an average of 24.1 miles per gallon (mpg)  — a 0.5 mpg increase over the previous year and an increase of … Continue reading

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That relay really stinks!


By Steve Schaeber, MACS Technical Editor Here’s a situation where your nose can be the best tool in your box. A fellow technician was diagnosing a “high hi-side” issue on a Pontiac Sunfire, when he asked me for some advice. … Continue reading

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Just the facts about Section 609 Certification and refrigerant handling in MVACS


We are always surprised when we receive phone calls from automotive service personnel who have no idea what Section 609 Certification is all about and that there are indeed federally mandated regulations for refrigerant recovery and recycling. The United States … Continue reading

Posted in Automotive, Automotive Aftermarket, Automotive training, Mobile Air Conditioning, Refrigerants | Tagged , , , , , , , , , | Leave a comment

Are you flying the MACS colors?


By Steve Schaeber, MACS Technical Editor Did you know that there are currently over one million technicians certified through MACS under Section 609 of the Clean Air Act? Chances are that if your shop performs A/C work, you too have … Continue reading

Posted in Automotive, Automotive Aftermarket, Automotive training, Electrical/Electronic, Mobile Air Conditioning, Refrigerants | Tagged , , , , , , | Leave a comment

NARSA and MACS team up to grow your business with March 2015 seminar


                                                                          The leadership of NARSA and MACS are working together to offer members a high-value business marketing management seminar focused on, “Social Media: Developing Social Media Strategies for Bottom-Line Results for Your Business!” This valuable two-day seminar will take place … Continue reading

Posted in Automotive, Automotive Aftermarket, Automotive training, Uncategorized | Tagged , , , , , , | Leave a comment

Will V2V Affect A/C?


By Steve Schaeber, MACS Technical Editor The U.S. Department of Transportation’s (DOT) National Highway Traffic Safety Administration (NHTSA) recently released an advance notice of proposed rule making (ANPRM) and a supporting comprehensive research report on vehicle-to-vehicle (V2V) communications technology. The … Continue reading

Posted in #1234yf, Automotive, Automotive Aftermarket, Automotive training, Electrical/Electronic, Mobile Air Conditioning, Refrigerants | Tagged , , , , , , , , , , | Leave a comment

One of those A/C things


One of the problems every shop faces – because customers don’t realize what’s normal and what isn’t – is how a system works. When the 2001 model year small GM SUVs were introduced (Chevy Blazer S-10, GMC Jimmy and Olds … Continue reading

Posted in Automotive Aftermarket, Automotive training, Electrical/Electronic, Mobile Air Conditioning, Refrigerants, Uncategorized | Tagged , , , , , , , , | Leave a comment