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 >
All about truck and off road mobile A/C
July 1, 2019
So where do we go from here? That is the question. There aren’t a whole lot of new things we can do with an air conditioning system to improve how...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 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 >
Technician training yields competitive edge
November 5, 2018
“Current technologies for thermal management systems are changing and becoming ever more complex,” explained Peter Bradley in his presentation at MACS 2018 Training Event and Trade Show titled, Future Trends...Read Article >
Meet Jeff Schultz of Schrader Pacific
November 1, 2018
By Marion J Posen, MACS VP member relations and marketing Everyone knows the Schrader valve; it’s been around since 1893, and has been used in A/C systems since we haven’t...Read Article >
Do you know your HVAC components?
August 30, 2018
The first part of any good under-hood inspection should include a label check. The labels below provide us with refrigerant charge specifications to correlate to the OE specifications found...Read Article >
The Shop Down Below
August 13, 2018
By Steve Schaeber, MACS Technical Editor Back in July I attended IMPACon18, the annual conference of the International Motor Press Association, of which I’m a member. This year it was...Read Article >
Are you ready for A/C season?
June 1, 2018
Repair shops – one question: Are you prepared for A/C season 2018? Circle the right answer: YES – NO What do you mean you don’t have a pen? How can...Read Article >
Another GM Antifreeze
May 7, 2018
By Paul Weissler, MACS Senior Technical Correspondent Every engineering group of every car company wants exclusivity, and that often extends down to the smallest things. Then the corporate purchasing teams...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 >