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...Read Article >
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.Read Article >
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?Read Article >
Interior Heating Evolution
November 1, 2022
In the last 120 years, automotive passenger heating has evolved dramatically from open carriage-type automobiles with little occupant protection from the elements to complex electric vehicle (EV) heating, ventilation, and air conditioning (HVAC) systems.Read Article >
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.Read Article >
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.Read Article >
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.Read Article >
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.Read Article >
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.Read Article >
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.Read Article >
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.Read Article >
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.Read Article >
