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 >
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 >
Installation and modification of A/C systems for US and imported vehicles
July 18, 2018
By Ward Atkinson Members have requested information regarding requirements that apply to vehicles produced by OEM vehicle manufacturers, commercial upfitters and independent A/C repair or service facilities that install or...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 >
The new world of HD and off-road equipment cooling
June 29, 2018
By Jerry Lemon, Lemco Mobile AC Consulting Welcome to the new world of HD and off-road air conditioning. There was a time, not that long ago, when the HVAC system...Read Article >
Section 609 important information
April 2, 2018
[youtube https://www.youtube.com/watch?v=gMyRUiQkou4] If you still have questions about Section 609 certification please review our list of frequently asked questions by clicking here.Read Article >
Section 609 certification frequently asked questions
March 19, 2018
The MACS office continues to experience a high volume of telephone calls regarding questions about Section 609 certification. Please read through the list of questions and answers below before calling...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 >
Keeping pace with change
July 10, 2017
We have been hearing about the evolving and expanding roles of air conditioning and cooling as technology continues to develop. A couple examples will appear in the 2018 Dodge Challenger...Read Article >
