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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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MACS Welcomes ATech as an exhibitor

September 7, 2022

ATech Training was founded in 1984 with a desire to develop products that aid instructors in presenting a hands-on approach to teaching and learning the skills of diagnosing and repairing vehicles.
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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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An expansion valve myth explored

July 26, 2022

I have encountered many tech calls where a technician had replaced an expansion valve because of a problem with an evaporator freezing up and was frustrated because that did not fix the problem.
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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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A/C not cooling fast enough

July 13, 2022

When a vehicle sits outside in direct sunlight, a tremendous amount of heat can build up inside.  Even with relatively  mild summer ambient temperatures  (75° F to 80°F) vehicle interiors can easily reach temperatures of 125° F or more. Consider that this heat is not just in the air inside, but also in the seats, dashboard, floor board, roof, door panels, etc, (essentially the entire inside of the vehicle).
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It’s still not blowing cold enough

July 6, 2022

This customer came in with this car (he provided the vehicle information) and said it isn't blowing cold enough and wants me to make it blow colder.  He just recently bought it and this is the first “hot spell” we’ve had since he’s had it.
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It isn’t blowing cold enough

June 29, 2022

"It isn't blowing cold enough.” Most any auto repair shop that does A/C work will often hear customers say this phrase. It can be the result of any number of things that can be wrong with an A/C system.  Often it is a case of common things such as, a low refrigerant charge, a refrigerant overcharge, contaminated refrigerant,  a blend door issue, a cooling fan problem, or maybe a weak compressor.
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MACS 2023 Annual Training Event and Trade Show

April 7, 2022

MACS 2023 Annual Training Event is back on schedule for 2023! We will meet at the Gaylord Opryland Resort in Nashville, TN. February 2-4, 2023.
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No drier replacement, no compressor warranty!

April 6, 2022

Compressor manufacturers and parts distributors are adamant about driers being replaced when one of their compressors are installed. No drier replacement, no compressor warranty! 
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Refrigerant supply, pricing and safety

March 8, 2022

What I'm hearing about refrigerant supply and pricing this year reminds me of a similar period in the mid-2000s. It was springtime, just before the start of A/C season.  Supplies of R-134a were tight and the price had come close to tripling from the prior year.
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