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EPA Training & Certification

New EPA rule restricts the sale of HFC refrigerants

September 30, 2016

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...
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Where have all the “leakers” gone?

June 28, 2016

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....
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Mercedes-Benz to equip first vehicle models with CO2 A/C systems

March 18, 2016

By Steve Schaeber, MACS Technical Editor In order to comply with the legal provisions going into effect in 2017, Mercedes-Benz will equip its vehicles with air conditioning systems that meet...
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Clean air started here

September 23, 2015

By Steve Schaeber, MACS Technical Editor An important part of MACS Section 609 Certification is a history lesson, discussing the series of events that led to the rules and regulations...
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A/C use and fuel efficiency, A MACS whitepaper

July 13, 2015

  Does using your A/C system cause you to burn more fuel? MACS attempts to answer that question in the attached whitepaper. Free download.   If you’re a service professional...
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Your Car’s A/C System and the Environment

June 29, 2010

  Few motorists know that the air conditioner in their vehicle has been a focus of worldwide environmental concerns and international efforts to address those concerns for several decades, or...
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