Skip to main content

EPA Training & Certification

Celebrating the 30th anniversary of the clean air act

November 18, 2020

By Steve Schaeber, MACS manager of service training It was 2:30 in the afternoon on Friday, November 15, 1991. politicians and media met in the East Room at the White...
Read Article >

What is MACS membership? Why should I join?

July 10, 2020

Membership in the Mobile  Air Conditioning Society (MACS) Worldwide means you pay a fee annually to receive all of our publications and  benefits, such as our Mobile A/C Diagnostics App,...
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 >

After January 1, 2018, Section 609 certification is required to purchase refrigerant

October 9, 2017

Please be aware after January 1, 2018 a Section 609 certification card will be required to purchase R-12, R-134a, or R-1234yf cylinders of 2 pounds or more. Distributors will be...
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...
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 >