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

GM’s first Chinese-built crossover at Buick dealers now


By Steve Schaeber, MACS Technical Editor During a trip earlier this month to Bergey’s Buick GMC in Franconia Township (Souderton), PA, MACS was fortunate enough to be shown their newest Robinair R/R/R machine for use with R-1234yf refrigerant as well … Continue reading

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Antique air by Denso, circa 1973


By Steve Schaeber, MACS Technical Editor Regular readers of the MACS WordPress BLOG know that we’ve been out and about lately, hunting down those vehicles that are new to the streets with R-1234yf refrigerant. Our travels this week brought us … Continue reading

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More in common with an IT specialist


“…more than 30 hours of information, education and training…” Continue reading

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GMC hits the road with R-1234yf


By Steve Schaeber, MACS Technical Editor It was during the general session meeting on Thursday morning at MACS 2016 Trade Show in Orlando that we first learned about GM’s intention to add several new vehicles to their lineup this year … Continue reading

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A small Δ in airflow = A BIG impact on A/C performance


By Steve Schaeber, MACS manager of service training Proper air flow across the heat exchangers in an air conditioning system is key to its being able to transfer heat efficiently. Problems with air flow can be caused by slow turning … Continue reading

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The latest on R-1234yf from MACS member Honeywell


By Steve Schaeber, MACS Manager of Service Training Rick Winick, Business Director, leads the Honeywell Fluorine Products Automotive Refrigerants segment. Rick and his team work to ensure global automotive OEM and aftermarket customers can turn to Honeywell as their long-term … Continue reading

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Insufficient A/C performance at idle


On some 2013 Chevrolet Sparks, the air conditioning duct temperature may be 10°F (5.6°C) warmer at idle, but is sufficient while driving .   Verify that the A/C pressures are within specifications at idle according to the A/C Performance Chart … Continue reading

Posted in Automotive, Automotive Aftermarket, Hybrid, MACS Member, Mobile Air Conditioning, Refrigerants, Training, Uncategorized | Tagged , , , , , | Leave a comment

Denso uses A/C to alert drowsy drivers


By Steve Schaeber, MACS Technical Editor The basic technology has been around for a while now, going back at least 10 years on Toyota and some luxury car brands such as Mercedes, Lexus and Volvo, but this new concept by … Continue reading

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Hose is one of your most important components


September/October 2016 ACTION Magazine The September/October 2016 issue of award-winning MACS ACTION Magazine is now ready for viewing! Everything you always wanted to know about mobile A/C hose applications but had no idea who to ask! Jam packed with must … Continue reading

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Registration is now open for MACS 2017 Training Event and Trade Show


 Registration is now open for the Mobile Air Conditioning Society (MACS) Worldwide 2017 Training Event and Trade Show to take place February 15-18 at the Anaheim Marriott, Anaheim, CA. The 2017 MACS Training Event theme is Mobile A/C: Global Service … Continue reading

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