Monthly Archives: September 2016

New EPA rule restricts the sale of HFC refrigerants


By Steve Schaeber, MACS Technical Editor On September 26th, US EPA finalized two rules that will reduce the projected growth and emissions of HFCs (hydrofluorocarbons), a class of chemicals that includes the mobile air conditioning refrigerant R-134a, commonly used in … Continue reading

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Supercool unveils MACS 2017 official training event T-shirt design


  One of the most coveted give away items every year at MACS annual training event is the official event T-shirt sponsored by Supercool. The Supercool team has sponsored the official T-shirt since 2004 and they put a lot of … Continue reading

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Ford A/C provides more than just cool air


By Steve Schaeber, MACS Technical Editor Over the years Ford has been at the forefront of automotive engineering and design, and not just in the styling and horsepower departments but with air conditioning, too. Back in the 1950’s they came … Continue reading

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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

Posted in ACtion Magazine, Automotive, Automotive training, MACS Training Event, Training, Uncategorized | Tagged , , , , , , , , , , , , , , , , , | Leave a comment

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