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90% of Leadership is Showing Up, The Other 10% is…

August 24, 2023

By Aaron Becker, AirSept President I have heard often that 90% of leadership is showing up, but I never heard anyone say what composes the remaining 10%.  I propose that...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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