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 >
Disinfecting of vehicles during COVID-19
November 10, 2020
By Ward Atkinson, MACS Technical Advisor, & Bill Hill, GM Retired Recent comments from government agencies on the COVID-19 virus issue indicate that even when a vaccine is available, our...Read Article >
Proceeding with caution
November 6, 2020
As essential businesses, most of us have been up and running through the outset of the COVID-19 pandemic, continuing through today, eight months later. We have adapted to the new...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 >
MACS talks to GDP’s Julian Hentze about mobile A/C parts, repair and more!
May 7, 2020
MACS Live Chat (Julian Hentze and Steve Schaeber discuss COVID-19, GPD and the Mobile A/C industry) Hello, and Welcome to MACS Worldwide’s YouTube Channel. We’re glad you’re here! Hi everyone,...Read Article >
Off-highway use of R-1234yf
December 5, 2019
By Steve Schaeber, MACS Technical Editor (29-MAY-2019) It’s been a few years since R-1234yf started showing up in passenger cars and light trucks, and while that market is getting pretty...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 future is electric!
June 6, 2019
June ACTION 2019 Hybrid and electric vehicle air conditioning compressor hardware, power controls and diagnostics For more than 15 years, hybrid and electric vehicles have been using electric air conditioning...Read Article >
Finding yf (2019 Refrigerant Update)
May 20, 2019
By Steve Schaeber, MACS Technical Editor (May 20, 2019) ©2019 Mobile Air Conditioning Society Worldwide As part of our continuing effort to document the industry’s changeover to R-1234yf, MACS once...Read Article >
Are you making the most of your equipment?
April 30, 2019
Independent garages have been slow to make the investment in equipment to work on R-1234yf systems, and many car dealers’ service departments couldn’t be happier about that. When the car...Read Article >
Are you ready for A/C season?
April 10, 2019
Reviewing the fundamentals: Pressures We started out with a brief review of A/C system pressure testing order to build up to the major point of the class which was the...Read Article >
Do you know how to find coolant leaks?
February 28, 2019
Finding Coolant Leaks Some days, around this time of year, it feels like all we do is chase down coolant leaks. Maybe that has something to do with weather patterns...Read Article >
