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 >
A Sure Sign Of A Restriction (Part Three)
February 28, 2023
By Richard Hawkins, MACS Technical Writer This is part three in a series of articles about restrictions in A/C systems. If you have not read the two previous articles, they...Read Article >
New Product Showcase Winners
February 23, 2023
Every year, MACS hosts a new product showcase in the Trade Show at the Annual Training Event. This year in Nashville, 18 companies displayed their new products in the showcase...Read Article >
A Sure Sign Of A Restriction (Continued)
February 16, 2023
By Richard Hawkins This is a continuation of the blog article published on January 24th. If you have not already read that article, it can be referenced here: https://macsmobileairclimate.org/2023/01/24/a-sure-sign-of-a-restriction/ That...Read Article >
A Sure Sign Of A Restriction
January 24, 2023
By Richard Hawkins In the January 4th blog article, we covered a tech call that involved a customer who was experiencing an issue with the low side of an A/C...Read Article >
Follow up on the 12/30/22 EPA virtual public hearing
January 12, 2023
By Steve Schaeber, MACS Technical Editor Let me start off by saying Happy New Year! to everyone, and here’s to a great 2023! Since many of you were on holiday...Read Article >
Too Many Compressors
December 20, 2022
The blog article published on November 8, 2022, focused on understanding the importance of knowing the precise location of service ports when faced with a challenging A/C diagnostic issue. It...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 >
