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EPA Training & Certification

EPA proposes GWP limit for five MVAC subsectors

December 22, 2022

By Steve Schaeber, MACS Technical Editor The mobile air conditioning industry has, so far, used R-1234yf refrigerant primarily in passenger vehicles and light duty trucks. Although MACS has reported on...
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Helpful tactics to minimize the spread of Covid-19 in your service and repair shop

April 7, 2020

By Bill Snow, Radair Complete Car Care, Cleveland, OH With today’s concern about being exposed to COVID-19 shop owners need to take additional steps to protect their team members and...
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Vehicle power management and HVAC

September 3, 2019

September/ October 2019 ACTION Magazine Vehicle power management and climate control In the case of many late model vehicles, there are more and more systems utilizing electrical power management strategies...
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The time for mandatory Section 609 recertification is now

May 3, 2018

The new refrigerant purchasing rules that took effect January 1, 2018 have had service shops, distributors and the MACS office in an uproar. At the MACS office, the faxes, emails,...
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Tata Motors and MAHLE partner together to develop a prototype Secondary Loop Mobile Air Conditioning System on a vehicle

July 13, 2017

Tata Motors Limited and MAHLE, one of the world’s 20 largest suppliers to the automotive industry, have signed a joint development agreement for designing and developing a Secondary Loop Mobile...
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Gen 2 Ridgeline cools with R-1234yf

January 18, 2017

By Steve Schaeber, MACS Technical Editor The 2017 Ridgeline is the second generation of Honda’s midsize pickup truck, redesigned and brought back in June 2016 following a short 2 year...
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MACS mobile A/C field service study 2016

October 26, 2016

MACS has tracked the mobile air conditioning field service experience for many years to identify trends that may assist members to align their business with current developments and plan for...
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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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