Author Archives: macsworldwide

About macsworldwide

Mobile Air Conditioning Society (MACS) Worldwide Founded in 1981, MACS is the leading non-profit trade association for the mobile air conditioning, heating and engine cooling system segment of the automotive aftermarket. Since 1991, MACS has assisted more than 600,000 technicians to comply with the 1990 U.S. EPA Clean Air Act requirements for certification in refrigerant recovery and recycling to protect the environment. The Mobile Air Conditioning Society (MACS) Worldwide’s mission is clear and focused--as the recognized global authority on mobile air conditioning and heat transfer industry issues. www.macsw.org

Looking for mobile A/C wiring diagrams? We know where they are!


MACS mobile A/C diagnostics app includes wiring diagrams for mobile A/C systems for cars and light duty trucks. The only way to get the MACS mobile A/C diagnostics app is to become a MACS member. Join Now! Visit the MACS … Continue reading

Posted in #1234yf, ACtion Magazine, MACS Member, MACS Training Event, Mobile Air Conditioning, Refrigerants, Training | Tagged , , , , , , | Leave a comment

Tata Motors and MAHLE partner together to develop a prototype Secondary Loop Mobile Air Conditioning System on a vehicle


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 Air Conditioning System (SL–MAC), under the aegis of United Nations … Continue reading

Posted in #1234yf, #off road vehicles, ACtion Magazine, Environmental Protection Agency, MACS Member, Mobile Air Conditioning, Refrigerants | Tagged , , , , , , , , , | Leave a comment

Keeping pace with change


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 SRT Demon to be released this fall. When in Drag … Continue reading

Posted in ACtion Magazine, Automotive Aftermarket, Automotive training, MACS Member, Mobile Air Conditioning, Training | Tagged , , , , , | Leave a comment

Get the MACS mobile A/C diagnostics app with your paid MACS membership


  Nearly a year in the making, the MACS mobile A/C diagnostics app is now available. The MACS board of directors decided last fall that it was time for MACS to fully embrace current technology and push our information out … Continue reading

Posted in #1234yf, ACtion Magazine, MACS Member, Mobile Air Conditioning | Tagged , , , | Leave a comment

HD and OTR vehicle service: Keep it clean


July/August 2017 MACS ACTION Magazine It’s been said that cleanliness is next to godliness. This can also be considered gospel when servicing heavy duty (HD) and over-the-road (OTR) refrigeration. These systems operate in far more severe conditions compared to those … Continue reading

Posted in ACtion Magazine, MACS Member, Mobile Air Conditioning, Training | Tagged , , , , , , , , , | Leave a comment

Cool runnings


By Steve Schaeber, MACS Technical Editor The main purpose of a thermostat is to help the cooling system regulate engine operating temperatures to within the manufacturer’s specification. This is normally done by first remaining closed to allow engine coolant to … Continue reading

Posted in ACtion Magazine, MACS Member, Mobile Air Conditioning, Training | Tagged , , , , , , , , | Leave a comment

Thermocycle leaks


Radiator leaks are nothing new, and some technicians may initially blame a faulty part, poor construction or shoddy workmanship during installation when a leaker shows up in their bay, particularly when it’s a later model vehicle that has failed. But … Continue reading

Posted in MACS Member, Mobile Air Conditioning, Training, Uncategorized | Tagged , , , , , | Leave a comment

MACS mobile A/C diagnostics app is now available for download for MACS members


In response to MACS member needs and changing technology MACS has partnered with Shiftmobility to create the MACS mobile A/C diagnostics app for use on mobile devices. The app will include access to the MACS Service Reports and ACTION Magazine … Continue reading

Posted in #1234yf, Automotive, MACS Member, Mobile Air Conditioning, Training | Leave a comment

Today’s technicians need to be total climate control management forensic scientists  


  MACS June ACTION Magazine is all about mobile A/C diagnostics! By Peter Orlando, MACS Contributor  Technicians need proper skills to work on today’s climate control systems. It is up to industry professionals to ensure they are service-ready and have … Continue reading

Posted in #1234yf, ACtion Magazine, MACS Member, Mobile Air Conditioning, Refrigerants | Tagged , , , , , , , | Leave a comment

MACS Summer of Service Videos


Calling all MACS members! MACS is launching the summer of service videos! Send us a short mobile A/C technical tip video less than 10 minutes that explains a service procedure or is educational and not overly commerical and we will … Continue reading

Posted in #1234yf, ACtion Magazine, Mobile Air Conditioning | Leave a comment