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

What does desiccant look like after 16 years?


By Steve Schaeber, MACS Technical Editor We’ve all heard this word before, probably for the first time during one of our HVAC (heating, ventilating and air conditioning) classes when we were aspiring young technicians still in high school, college or … Continue reading

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A/C Groan


You may think that a bit of noise with the air conditioning turned on is not the highest priority item for a motorist. After all, if the car is running and the A/C is cooling, what’s the big deal? Well, … Continue reading

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USITC Antidumping Investigation: Round 2


By Steve Schaeber, MACS Technical Editor On March 3rd, 2016 the US Department of Commerce and US International Trade Commission (USITC) were petitioned by the American HFC Coalition to initiate an antidumping duty investigation on R-134a imports from China. Later … Continue reading

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Ford dealers selling their first MPVs with R-1234yf


By Steve Schaeber, MACS Technical Editor We learned about Ford’s plans to begin building the 2017 Escape with R-1234yf refrigerant during a meeting with their regional parts and service manager at the Philadelphia Auto Show back in January, and we … Continue reading

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A/C performance issue


The part exists, sort of. The 2001 Dodge Caravan minivan with Automatic Temperature Control had poor rear A/C cooling performance and the technician decides (correctly) the issue is with the rear expansion valve. But it’s not like one with which … Continue reading

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OSHA offers an APP to keep you safe in the heat!


OSHA Heat Safety APP The App allows workers and supervisors to calculate the heat index for their work site, and, based on the heat index, displays a risk level to outdoor workers. Then, with a simple “click,” you can get reminders about … Continue reading

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MACS ACTION Magazine honored with four IAMC awards


    MACS ACTION™ magazine has been honored with four medals for editorial excellence by the International Automotive Media Competition. The IAMC program recognizes and encourages excellence in all forms of automotive media from works published, aired, or broadcast in 2015. … Continue reading

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A fleet for field work: servicing specialty equipment


By Stephen Petit, Siefkes/Petit Communications In heavy-duty A/C work, the service vehicle is essentially a shop on wheels — it’s vital for reaching equipment that operates virtually around the clock or can never see the highway. NVB Equipment in Fresno, … Continue reading

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Repeat blower motor issue


By Steve Schaeber, MACS Technical Editor An old boss of mine used to have a saying that goes something like: I ain’t got time to be doing the same thing two and three times! In fact, I can still picture … Continue reading

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

US EPA, US DOT, California’s Air Resources Board Issue Draft Technical Assessment Report of Greenhouse Gas Emissions and Fuel Economy Standards for Model Year 2022-2025 Cars and Light Trucks


 The U.S. Department of Transportation (DOT), the U.S. Environmental Protection Agency (EPA), and the California Air Resource Board (CARB) today took the first step in the mid-term evaluation of the National Program for greenhouse gas emissions and fuel economy standards … Continue reading

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