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 >
2018 MACS Service Information Survey
October 1, 2018
The Mobile Air Conditioning Society (MACS) was organized to serve the mobile air conditioning industry. MACS’ charter and mission are communication and education. To achieve these goals, the Society has...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 >
Spin-On Coolant Filters
July 6, 2018
By Chris Tyson, MACS Heavy Duty Contributor While rarely seen in automotive and light truck systems, engine coolant filters (sometimes called water filters) can be found on many over-the-road, heavy...Read Article >
Are you ready for A/C season?
June 1, 2018
This is the MACS blog site if you are looking for the MACS main website click here. Repair shops – one question: Are you prepared for A/C season 2018? Circle...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 >
Tariffs: A two-edged sword
May 2, 2018
By Keith Leonard, Esquire. While not for the first (or the last) time in United States history, the current administration has announced the imposition of tariffs on imported steel and...Read Article >
