Tag Archives: HFC-134a

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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Countries Agree to curb powerful greenhouse gases in largest climate breakthrough since Paris


The amendment to the Montreal Protocol on Substances that Deplete the Ozone Layer endorsed in Kigali is the single largest contribution the world has made towards keeping the global temperature rise “well below” 2 degrees Celsius, a target agreed at … Continue reading

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MACS Mobile A/C Best Practices Class – October 21 Dallas Area


Click here to find out more about this clinic and register to attend

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New EPA rule allows R-1234yf in certain trucks


By Steve Schaeber, MACS Technical Editor If you’ve been waiting to see R-1234yf in something larger than a ½ ton pickup truck, you might not have to wait too much longer. A new EPA rule that was just signed last … Continue reading

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Repeat blower motor issue


By Steve Schaeber, MACS Technical Editor An old boss of mine used to have a saying that goes something like: I ain’t got time to be doing the same thing two and three times! In fact, I can still picture … Continue reading

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Change is coming to heavy duty refrigerants


By Steve Schaeber, MACS manager of service training Last year around this time the US Environmental Protection Agency (EPA) finalized Rule # 20, which was a Change of Status Rule affecting several industrial sectors including MVAC (Motor Vehicle Air Conditioning). … Continue reading

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Where have all the “leakers” gone?


By Ward Atkinson, MACS Technical Advisor It has been said that back in the days of R-12, A/C system engineers sometimes used “Band Aid” fixes to address A/C system issues. Speaking as one of those early engineers, there is some … Continue reading

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R-1234yf and other trends


By Elvis L. Hoffpauir, MACS President and Chief Operating Officer There’s no one better to talk to members of the service industry about R-1234yf than the folks at Fiat Chrysler Automobiles (FCA). The introduction of the “new” refrigerant began three … Continue reading

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Future gas workshops scheduled in Australasia


Australasia leading the world with future: gas seminars to help businesses prepare Cars entering Australasian market with new R-1234yf air conditioning refrigerant Workshops need to be ready with gas, equipment and training Industry-led future: gas seminar roadshow designed to broaden … Continue reading

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HFO-1234yf : Specific safety procedures


  Many technicians have questions regarding the new refrigerant HFO-1234yf. The best way to answer your questions is to take the Section 609 certification test using the new program updated in January 2015. It contains the newest information on handling … Continue reading

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