A look at the Alternatives to the Alternatives
November 8, 2023
Written by Peter Coll for the Looking Forward Column in MACS ACtion Magazine May 2023 For the past several years, the automotive industry has been hyper focused on the introduction...Read Article >
Get your Customers to help!
November 1, 2023
By: Jerry Lemon for MACS ACtion Magazine Jul/Aug 2023 Issue Everyone I know doing A/C service on HD trucks and Heavy Equipment is slammed with work. It seems rather counter...Read Article >
Electric Vehicles Need Coolants
October 26, 2023
By: Chris Holley, MACS Member & Instructor at Pennsylvania College of Technology Over the years, the Cooling Corner column has discussed numerous coolant types. While not an extensive list, most...Read Article >
Honeywell files EPA SNAP Application to Retrofit R-134a systems to R-1234yf
October 5, 2023
Honeywell has filed a SNAP application with the US EPA for approval to offer R-1234yf as a retrofit for R-134a. In 2022, the EPA received a SNAP application from Koura....Read Article >
Yes, The Service Port Cap Really is the Primary A/C Seal!
September 19, 2023
For years, we have been told that the primary seal for the A/C service ports lies in the service port cap. Yet day after day, technicians let vehicles leave the...Read Article >
European Chemicals Agency (ECHA) accepting comments on PFAS rules
September 13, 2023
The European Chemicals Agency (ECHA) continues to accept comments on the proposed use restrictions to thousands of chemicals commonly found in automotive and other applications related to PFAS. PFAS stands...Read Article >
What is the proper refrigerant charge for this A/C system I’m working on?
September 11, 2023
By: Richard Hawkins, MACS Contributor That is a question that comes up countless times when doing mobile A/C work. When working on a car, light truck or SUV, it is...Read Article >
90% of Leadership is Showing Up, The Other 10% is…
August 25, 2023
By Aaron Becker, AirSept President I have heard often that 90% of leadership is showing up, but I never heard anyone say what composes the remaining 10%. I propose that...Read Article >
Electric HVAC and No-Idle Control Integration: Examining the Benefits of Electrification
November 3, 2022
Technology is always changing, and service and repair processes in the heavy-duty and off-road vehicle industry are no exception. How will electric HVAC and the no-idle control integration effect the industry? Paul Krug of Komatsu and Jerry Lemon of Lemco Consulting will examine the benefitsRead Article >
Temperature testing accuracy
April 13, 2021
Temperature readings can be easily used to determine if an orifice tube system might be undercharged, and they can also be used to charge an orifice tube system. But if the readings are not accurate, all they are going to do is cause you problems.Read Article >
Helpful tips to register for MACS online training clinics
March 5, 2021
Helpful tips on how to register for a class on the MACS websiteRead Article >
Spend some time with MACS president and coo Elvis Hoffpauir
July 24, 2020
Hello, and Welcome to MACS Worldwide’s YouTube Channel. We’re glad you’re here! Elvis Hoffpauir Pioneer Experience MACS History! Elvis Hoffpauir, MACS president and chief operating officer, was presented with a...Read Article >
