MACS Publications

MACS Service Reports

MACS Service Reports is an exclusive, award-winning technical publication available only to members of the Mobile Air Climate Systems Association (MACS). Written and edited by working mobile A/C technicians, it’s published every other month and designed to educate MACS members on real-world service and repair challenges in mobile A/C and engine cooling systems. Each issue delivers practical knowledge that helps technicians make accurate, efficient repairs — a true member benefit that empowers professionals to get the job done right the first time.

MACS Service Reports does not accept advertising. They are archived on the MACS website for five years, and are available exclusively to MACS members for their ongoing use and benefit.

MACS ACTION Magazine

ACTION magazine is more than just a trade publication — it’s the journal of record for professionals in the global mobile A/C, heat transfer, and engine cooling industry. Published by the Mobile Air Climate Systems Association (MACS), ACTION delivers in-depth coverage of a rapidly evolving marketplace. Recognized with over 100 prestigious automotive industry awards for both editorial and graphic excellence, ACTION stands as a trusted, award-winning resource for today’s mobile A/C and engine cooling specialists.

MACS ACTION draws on insights from top design and service-repair experts across the automotive, heavy-duty, off-road, and bus industries. From mobile A/C to heat transfer and engine cooling systems, ACTION provides trusted expertise from every corner of the field.

Most importantly, MACS ACTION reaches approximately 90,000 email inboxes through digital distribution. Furthermore, it displays seamlessly on both computer screens and mobile devices, ensuring easy access for all readers, regardless of their device. With every issue, MACS connects with a highly engaged audience of industry professionals who rely on ACTION for trusted insights and timely updates.