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 >
The End of Traditional Vapor Compression A/C
October 20, 2023
By MACS Staff As fossil fuel vehicles, powered Internal Combustion Engines (ICE), are replaced on dealer lots in favor of Electric Vehicles (EVs), significant changes are coming to the vehicle...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 >
Everything You Need to Know About MACS 2024 Annual Training Event & Trade Show
September 28, 2023
Are you ready for the Mobile A/C industry event of the year? MACS is proud to announce its 2024 Annual Training Event & Trade Show, taking place from January 31st...Read Article >
Electric Compressor Systems: Safe Service and Best Practices
September 25, 2023
Join us at the MACS Headquarters in Lansdale, PA on Saturday, October 7th, for an in-depth class on Electric Compressor Systems with hands-on training led by industry leader Mike Bailey,...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 >
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 >
EPA Set to Issue NPRM on AIM ACT Refrigerant Reclamation
September 7, 2023
The US EPA is set to issue a Notice of Proposed Rulemaking (NPRM) by September 30, 2023 in accordance with the requirements of the US AIM Act 42 USC 7675...Read Article >
Avoiding Expansion Valve Woes (Part 3)
April 20, 2023
By Richard Hawkins, MACS Technical Correspondent This is part 3 in a series of articles about avoiding expansion valves woes. If you have not already read the previous two articles,...Read Article >
Avoiding Expansion Valve Woes (Part 2)
April 4, 2023
by Richard Hawkins This is part 2 in a series of articles about avoiding expansion valves woes. If you have not already read the 1st. article, it can be found...Read Article >
Avoiding Expansion Valve Woes (Part 1)
March 21, 2023
By Richard Hawkins On March 2nd, an article was published in this blog covering a class that was held at the recent MACS Training Event and Trade Show. The class...Read Article >
EPA Stakeholder meeting is scheduled for March 16, 2023
March 16, 2023
EPA is holding a stakeholder meeting on Thursday, March 16 at 11am (EDT) on the reclamation of HFCs (hydrofluorocarbons) in the United States. This meeting is being held pursuant to...Read Article >
