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MACS to reschedule the 2021 Training Event and Trade Show

December 17, 2020

Due to the circumstances of the pandemic and out of an abundance of caution for the safety of our attendees and staff, the MACS board of directors has decided to...
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OSHA and HazCom citations

December 14, 2020

By Charles Ayers, CCAR By the time you read this, the Occupation Safety and Health Administration (OSHA) will have released its “Top 10 Most Frequently Cited” list for fiscal year...
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HEVs and EVs still seeking best solution for HVAC

December 10, 2020

By Keith Leonard Another summer season has gone by while being unavailable for many activities usually enjoyed by almost all of us. The cover is back on my pool. While...
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Understanding data lines Part II

December 2, 2020

By Larry Turay Part I of understanding data lines was in the last issue, coverering data line structure and communications. Part II will cover troubleshooting and diagnoses of the J1587/1708...
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Safety Alert: Online Sales of Cool Penguin F-12

November 23, 2020

The United States Environmental Protection Agency (EPA) recently identified online sales of a product marketed as “Cool Penguin F-12” for use in motor vehicle air conditioners (MVACs). While the product...
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Celebrating the 30th anniversary of the clean air act

November 18, 2020

By Steve Schaeber, MACS manager of service training It was 2:30 in the afternoon on Friday, November 15, 1991. politicians and media met in the East Room at the White...
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Disinfecting of vehicles during COVID-19

November 10, 2020

By Ward Atkinson, MACS Technical Advisor, & Bill Hill, GM Retired Recent comments from government agencies on the COVID-19 virus issue indicate that even when a vaccine is available, our...
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Proceeding with caution

November 6, 2020

As essential businesses, most of us have been up and running through the outset of the COVID-19 pandemic, continuing through today, eight months later. We have adapted to the new...
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Modern cabin heating

November 2, 2020

By Frank Tonon, Qualification and training director, CPA Montreal Cabin heating through the yearsThe evolution of climate control in the past century has gone through several changes. From heated stones,...
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How do I obtain a copy of my MACS or IMACA Section 609 credentials?

October 22, 2020

Section 609 certification credentials are good for life. This means they do not expire. If you were Section 609 certified and obtained your credentials from MACS or IMACA and have...
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Hazmats: Why should I care?

September 21, 2020

by Charlie Ayers Trivia question: what do R-134a, Lithium Ion batteries, air bag modules, and used fuel system components all have in common? Aside from the fact that these are...
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Today, September 16, is World Ozone Day!

September 16, 2020

On 19 December 1994, the United Nations General Assembly proclaimed 16 September the International Day for the Preservation of the Ozone Layer, commemorating the date, in 1987, on which the Montreal Protocol on...
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Bringing in business in tough times

September 11, 2020

By Angie Chabot, AAM As the world battles a pandemic, businesses, like yours, are battling to keep customers coming in the doors. Just when it seems that every penny must...
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Back to basics

September 9, 2020

by Steve Schaeber There is no doubt that when it starts getting hot outside, your shop gets slammed with customers asking for help with their A/C systems. Same thing happens...
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Understanding data lines (Part I)

September 8, 2020

By Larry Turay Data lines and multiplexing have been with us in the heavy-duty world since 1990. The increased use of ABS, electronic ICUs, and automated transmissions to name a...
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Are you a diagnostic detective?

September 3, 2020

By Pam Oakes, SME automotive professional If you consider yourself a diagnostic detective see if you can solve this cooling system mystery before the end of the article! Cooling Corner:...
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Spend some time with MACS president and coo Elvis Hoffpauir

July 24, 2020

Hello, and Welcome to MACS Worldwide’s YouTube Channel. We’re glad you’re here! Elvis Hoffpauir Pioneer Experience MACS History! Elvis Hoffpauir, MACS president and chief operating officer, was presented with a...
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Does your business have a social media policy?

July 21, 2020

If the last few months have taught us anything, it’s that without clear-cut policies in place, our world can quickly devolve into a chaotic spin. From extended personnel leave to...
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Comparing the 2020 COVID-19 and 2003 SARS Pandemics

July 13, 2020

By Ward J. Atkinson, MACS Technical Advisor When COVID-19 first appeared in the news, the U.S. general population wasn’t very concerned. Many assumed that like the SARS pandemic, it would...
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What is MACS membership? Why should I join?

July 10, 2020

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,...
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MACS Live Chat (Richard Hawkins and Steve Schaeber discuss Service Port Location)

July 7, 2020

This live chat features Richard Hawkins, A/C Tech line specialist and MACS technical contributor. Like many of you are during this Coronavirus Pandemic, all of us here on the MACS...
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Name That Hybrid Water Pump

June 29, 2020

By Dave Hobbs, MACS Technical Correspondent While virtually every HEV (hybrid electric vehicle) has an ICE (internal combustion engine) along with one or more high voltage electric motors, not every...
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Meet MACS Member Joey Rosato of Texas Truck A/C

June 17, 2020

Joey Rosato is second-generation and Director of Marketing for family-run Texas Truck A/C in Dallas, TX. Joey tells us, “It all started in 1996, when Nick Rosato (Joey’s Dad) set...
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MACS Live Chat (John Duerr & Steve Schaeber discuss A/C Leak Detection Tracer dye & COVID-19 in NYC)

May 28, 2020

Hi everyone, and welcome to another MACS Live Chat, hosted by Steve Schaeber, manager of service training and technical editor for MACS publications like ACtion Magazine and the MSR (MACS...
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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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Stop complaining about the technician shortage…

April 8, 2020

…and DO SOMETHING ABOUT IT! By Elvis Hoffpauir C.O.O. MACS Worldwide That was the principal message from Peter Meier, Director of Training at Motor Age. Peter, along with MACS Technical...
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Helpful tactics to minimize the spread of Covid-19 in your service and repair shop

April 7, 2020

By Bill Snow, Radair Complete Car Care, Cleveland, OH With today’s concern about being exposed to COVID-19 shop owners need to take additional steps to protect their team members and...
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How do I replace my MACS Section 609 credentials?

April 2, 2020

If you obtained your Section 609 certification credentials from IMACA or the Mobile Air Conditioning Society (MACS) Worldwide they can be replaced for $10. Visit this link on the MACS...
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2022 Regional Training Event

April 1, 2022

We are changing things up for 2022.  We will be holding smaller, regional Mobile A/C Training Events in several cities during the first few months of 2022.  This event will...
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2022 Regional Training Event

February 25, 2022

We are changing things up for 2022.  We will be holding smaller, regional Training Events in several cities during the first quarter of 2022.  This event will take place on...
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2022 Regional Training Event

February 4, 2022

We are changing things up for 2022.  We will be holding smaller, regional Training Events in several cities during the first quarter of 2022.  This event will take place on...
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2021 MACS Annual Training Event

September 30, 2021

Join industry leaders and colleagues for the MACS 2021 Training Event and Trade Show. Drawing upon decades of experience, the new MACS brand will be launched live at the trade show, which is the leading event in the industry. Our revamped brand will help MACS better serve the needs of industry professionals.
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Section 609 Certification Prep Webinar & Test

March 10, 2021

Join the Mobile Air Conditioning Society (MACS) Worldwide for a our Section 609 test prep webinar for training and certification. The webinar will take approximately 90 minutes. At the end...
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Training MACS Team Post

February 26, 2021

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Section 609 Certification Prep Webinar & Test

February 22, 2021

Join the Mobile Air Conditioning Society (MACS) Worldwide for a our Section 609 test prep webinar for training and certification. The webinar will take approximately 90 minutes. At the end...
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Test post

January 28, 2021

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Section 609 Certification Prep Webinar & Test

January 27, 2021

Join the Mobile Air Climate Association (MACS) Worldwide for a our Section 609 test prep webinar for training and certification. The webinar will take approximately 90 minutes. At the end...
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