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The Auto Prof joins MACS Training Event

September 23, 2022

The Auto Prof is an automotive technical training organization. Company principal, Mike Bailey is a licensed automotive technician and instructor since 1991.
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Trans/Air MFG Returns as a MACS exhibitor

September 21, 2022

Trans/Air Manufacturing, Corp. is setting new standards of comfort, reliability, and value for climate control in conventional, electric and hybrid buses and coaches.
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Ritchie Engineering Company, Inc. returns to exhibit at MACS Training Event and Trade Show

September 20, 2022

Ritchie Engineering Company, Inc. is a leading worldwide supplier of U.S. designed and manufactured tools and equipment for the HVAC/R and automotive industries.
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CPI Fluid Engineering is a new MACS exhibitor

September 14, 2022

CPI, founded in 1971, is a global expert in engineering fluids for challenging applications in heat transfer and compression.  “Our mission is to advance the industries we serve by providing world-class engineered performance fluids, unmatched customer support and innovative collaboration.”
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Don’t overlook a diagnostic clue

September 13, 2022

When thinking about the topic of A/C diagnostic tools, a recovery, recycle, recharge machine (R/R/R machine) is not one of the first tools that comes to mind.  It may not come to mind at all in the world of inexperienced technicians. 
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IGas To Exhibit at MACS 2023 Trade Show

September 9, 2022

iGas USA, Inc. offers a full range of refrigerants. Originally joining MACS in 2017, iGas explains, “Our strength, and our mission, is to develop and bring to the market innovative solutions that will have a positive effect on a company's work and business. Each day we strive to design creative, safe and high-quality products that will: assist in lowering your cost of business, make daily work requirements easier, faster, and more economical and improve working conditions and the environment.”
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You Knucklehead, you caused this compressor to lock up!

September 7, 2022

Last week's article ended with the following: "As I was completing the job, it hit me what had happened and my first thought was:  You Knucklehead, you caused this compressor to lock up!"  
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Airworks will exhibit at MACS 2023 Trade Show

September 6, 2022

MACS is happy to welcome Airworks as a return exhibitor to MACS Training Event and Trade Show . The big event will take place February 2-4, 2023, at the Gaylord Opryland Resort and Convention Center in Nashville, TN. The Trade Show will be on Friday, February 3 from 10:30am-4pm
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Improving A/C cool down time

July 19, 2022

If there is an issue with an A/C system, then obviously that needs to be fixed and that will aid in cool down time.  However, if a system is working properly and a customer is complaining, then the focus needs to shift toward educating the customer on steps they can take to improve cool down time.
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OEM oil capacity information

June 7, 2022

If you are installing an OEM replacement compressor in this example then it "should" contain 4.5 ounces of oil but if the compressor is not drained and the oil measured, the amount will not be known for sure.  Also, if an aftermarket compressor is being installed, there is no standard that exists in the industry regarding the amount of oil that might be shipped in a replacement compressor.  It might have no oil in it, a partial charge, or a full charge or even more than a full charge. To make matters worse, the OEM does not provide the total system capacity for this vehicle.
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