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Caveman to Mr. Cool
February 18, 2021
Over 300,000 years ago, modern man began walking the earth relying heavily on his five senses-- especially sight – to hunt, find joy, and avoid danger. In 1914, Garrett Morgan, who decided it was important to protect man’s eyes during hazardous situations, developed what we know today as ‘safety’ glasses.Read Article >
Fix it correctly the first time
February 15, 2021
A cooling system classroom lesson By Christopher J. Holley, MACS Contributing Editor A 2017 Accord with an overheating 2.4L engine arrived at our college lab. The customer had a limited...Read Article >
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...Read Article >
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...Read Article >
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,...Read Article >
School bus mobile A/C service and repair
August 18, 2020
The September/October 2020 issue of ACTION magazine is all about school bus A/C.Read Article >
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,...Read Article >
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,...Read Article >
MACS petitions Federal Agencies for cabin cleaning guidelines
April 28, 2020
April 28, 2020 (Lansdale, PA) The Mobile Air Conditioning Society (MACS) Worldwide has sent a letter to the United States Environmental Protection Agency (EPA), Center for Disease Control (CDC) and...Read Article >
Vehicle power management and HVAC
September 3, 2019
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...Read Article >