Category Archives: #1234yf

What is MACS membership? Why should I join?


Membership in the Mobile  Air Conditioning Society (MACS) Worldwide means you pay a fee annually to receive all of our publications and  benefits, such as our Mobile A/C Diagnostics App, access to a helpline, health insurance, business insurance, discounts on … Continue reading

Posted in #1234yf, #off road vehicles, ACtion Magazine, aftermarket career week, Environmental Protection Agency, MACS Member, MACS Training Event | Leave a comment

Free, Online, 2-night, Mobile A/C Class July 14 & 16


MACS member Carquest Technical Institute (CTI) is inviting you to a two-part HVAC Training Class. Tuesday, July 14 and Thursday, July 16 from 7- 9 PM   In this class taught by MACS Board Member, Tim Iezzi of Iezzi’s Auto … Continue reading

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MACS talks to GDP’s Julian Hentze about mobile A/C parts, repair and more!


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, and welcome to another MACS Live Chat, hosted by Steve … Continue reading

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

Registration is now open for MACS 2020 Training Event and Trade Show


Registration is now open for ACcess, the MACS 40th anniversary Training Event and Trade Show to be held February 19-22, 2020 at the Gaylord Opryland Resort and Convention Center in Nashville, TN. Attendees will gain ACcess to mobile A/C and … Continue reading

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

Vehicle power management and HVAC


September/ October 2019 ACTION Magazine Vehicle power management and climate control In the case of many late model vehicles, there are more and more systems utilizing electrical power management strategies than ever before. The wrong battery or, worse, generator installed … Continue reading

Posted in #1234yf, #off road vehicles, ACtion Magazine, Automotive training, Electrical/Electronic, Environmental Protection Agency, Mobile Air Conditioning, Refrigerants, Training | Tagged , , , , , | Leave a comment

Last call to register for the Automotive Software and Electronics Boot Camp


The Mobile Air Conditioning Society (MACS) Worldwide is sponsoring the Automotive Software and Electronics Boot Camp with Dr. Mark Quarto in partnership with FutureTech Auto at the MACS training center in Lansdale, PA September 16-20, 2019. Top auto repair shops need to learn … Continue reading

Posted in #1234yf, Automotive, Automotive training, Electrical/Electronic, MACS Member, Mobile Air Conditioning, Training | Tagged , , , | Leave a comment

The future is electric!


June ACTION 2019 Hybrid and electric vehicle air conditioning compressor hardware, power controls and diagnostics For more than 15 years, hybrid and electric vehicles have been using electric air conditioning compressors.  The reason for the use of these air conditioning … Continue reading

Posted in #1234yf, ACtion Magazine, Automotive training, Electrical/Electronic, Hybrid, Refrigerants, Training | Tagged , , , , , , , , | 2 Comments

Finding yf (2019 Refrigerant Update)


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 again attended the Philadelphia Auto Show to see the new … Continue reading

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

Are you making the most of your equipment?


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 manufacturers, whose products they sell, began the changeover, new recovery/recycle/recharge … Continue reading

Posted in #1234yf, ACtion Magazine, Automotive, Automotive training, MACS Member | Tagged , , , , , | Leave a comment

Are you ready for A/C season?


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 effect of variable displacement compressor solenoids on temperature and pressure … Continue reading

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