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HD/Off-road/Other Instructors

MACS Announces Addition of Education Member Seats to the Board of Directors

June 13, 2023

The Mobile Air Climate Systems Association (MACS), a leading organization dedicated to advancing the mobile air conditioning and vehicle thermal management industries, is proud to announce the addition of four...
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EPA proposes GWP limit for five MVAC subsectors

December 22, 2022

By Steve Schaeber, MACS Technical Editor The mobile air conditioning industry has, so far, used R-1234yf refrigerant primarily in passenger vehicles and light duty trucks. Although MACS has reported on...
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Understanding and Diagnosing A/C

November 14, 2022

In the Understanding and Diagnosing A/C class, you'll go beyond minimum requirements for recovery, evacuating, recharging, and recycling by offering real world examples in diagnosing and repairing A/C electrical, computer / BCMs, climate control and electronic components. Most of today’s vehicles come equipped with electronically controlled A/C systems.
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Selection of the Proper O-Ring for Your MAC Application

November 9, 2022

Did you know the selection of the proper O-ring for your MAC Application can have a major result on your A/C repair?
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North American Vehicle and Consumer Trends

October 28, 2022

A look at the latest population trends for light vehicles in North America. Presenters will provide insight on replacement rates for popular A/C products and talk about the changing trends in engine size, vehicle segments, electrification, and more.
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Electric Compressors, EV System Enhancements and Heat Pumps

October 26, 2022

EV and hybrid manufacturers are searching for every yard/meter of range they can squeeze out of their vehicles. In the race to get their newest offerings into the driveways of consumers, range is a major factor. HVAC can severely effect vehicle range, and engineers are doing everything possible to reduce the impact of this creature comfort/necessity.
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Staying RRR current

October 25, 2022

The refrigerant checked out fine. No contamination with other refrigerants and no air contamination.  Their machine pulled 30 ounces out of that system.
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Climate Control System Diagnostics: Using Scan Tool Analytics

October 21, 2022

Attend Climate Control System Diagnostics: Using Scan Tool Analytics and many more informative mobile A/C classes when your register for MACS 2023 Training Event and Trade Show, February 2-4, 2023, at the Gaylord Opryland Hotel and Convention Center In Nashville, TN.
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The Changing Serpentine Belt Drive World

October 20, 2022

Serpentine belt system diagnostics are important. How do we know if the belt, tensioner, or idlers are failing?  What are the consequences to the accessories in the system if the belt, tensioner, and idlers are past their useful life span? Plus, where is technology taking us in the serpentine belt drive world? Learn the answers to these questions in this session.
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Airsept to display at MACS

October 17, 2022

Airsept to display at MACS Training Event and Trade Show. MACS training event will take place February 2-4, 2023, at the Gaylord Opryland Resort and Convention Center in Nashville, TN. Located in Atlanta, GA, Airsept has been an active member of MACS since 1997.
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Southwest Air Products Joins MACS Trade Show

October 13, 2022

Southwest Air Products has been around for over 60 years supporting automotive, residential/commercial HVAC systems, sundries and clean rooms.
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The ambient temperature differences

October 11, 2022

That hose is easy to get to, so I whipped it off of there and had the new one on probably in less than 3 minutes.  The owner was standing there watching and thought I was finished when I tightened up the second connection. He said he was going to go up and pay and would be back to get the car and hit the road.
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