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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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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.
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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 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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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...
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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...
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All about truck and off road mobile A/C

July 1, 2019

So where do we go from here? That is the question.  There aren’t a whole lot of new things we can do with an air conditioning system to improve how...
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The future is electric!

June 6, 2019

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...
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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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