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

1950 Chevrolet Deluxe – Interior Climate Controls


By Steve Schaeber-MACS technical editor There’s a neat little repair shop here in Lansdale, PA that is well known by many residents of the borough, and one which I walk past almost every day. This morning I saw there was … Continue reading

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What kind of tech do we really need?


by Andy Fiffick, MACS Chairman and CEO Recently I sat in on a shop management training class, and I heard some things that made me think about my own business. The instructor, a shop owner himself, said only 20% of … Continue reading

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Robert Darbelnet of AAA to Keynote MACS 2015 Training Event


The Mobile Air Conditioning Society (MACS) Worldwide is pleased to announce that Robert L. Darbelnet, president and CEO of AAA will be the featured speaker at MACS keynote luncheon on Thursday, February 5, 2015 sponsored by Mahle-RTI during the MACS … Continue reading

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A mobile A/C bus training class is available August 29, 2014 in Texas


Member of MACS, Bus-Air Manufacturing of Rhome, TX have announced an A/C training clinic for school bus, shuttle bus and fire truck technicians including a section 609 certification testing class to begin at 8:00am, August 29th at the Texas Motor … Continue reading

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

Mobile A/C service tip: mind the service port caps


By Steve Schaeber, MACS Worldwide You’ve probably heard this from MACS’ before, but it bears repeating.  Service port caps are the primary seal for an A/C system’s service ports.  Making sure they are in place and properly installed is one … Continue reading

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EPA new proposed SNAP rule


On July 9, 2014, the U.S. EPA issued a proposed rule which would change the listing status for certain substitutes under the Significant New Alternatives Policy Program (SNAP). Under this proposed rule, various hydrofluorocarbons (HFCs) and HFC-containing blends that were … Continue reading

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Service tip: use your gauges


A quality set of gauges is necessary to accurately measure pressures. It is not necessary that the gauges be the most expensive, but be prepared to spend enough to get a durable and accurate set. Digital gauges should be considered, … Continue reading

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A compressor repair story


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How does a mobile A/C accumulator work?


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Got trucks? get A/C training!


Are you among the best of the best of heavy duty and off-road technicians? RSVP now for top shelf heavy duty A/C training and plant tour at RED DOT in Seattle, Saturday September 20th! MACS members and those who should … Continue reading

Posted in #1234yf, #off road vehicles, Automotive training, Mobile Air Conditioning, Refrigerants | Tagged , , , , , , , | Leave a comment