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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...Read Article >
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...Read Article >
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...Read Article >
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,...Read Article >
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...Read Article >
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...Read Article >
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...Read Article >
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...Read Article >
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....Read Article >
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...Read Article >
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...Read Article >
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...Read Article >
