By Richard Hawkins, MACS Technical Contributor This is the second of two articles about the transition from R-134a to R-1234yf refrigerant. Part 1: Refrigerant Deja Vu – May 8th The…
By Steve Schaeber, MACS Technical Editor MACS member shops (and in fact, almost every repair shop in the country that services mobile A/C systems), have been servicing those systems the…
by Richard Hawkins, MACS Contributor Lots of changes since the 80’s If you have been associated with mobile Air Conditioning since the late 1980s, you have witnessed a lot of…
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,…
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…
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…
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…
By Richard Hawkins There were quite a few good classes presented at the 2023 MACS Training Event and trade show held in Nashville, TN on February 2nd through February 4th….
By Richard Hawkins There were some great classes presented at the 2023 MACS Training Event and trade show held in Nashville, TN on February 2nd through February 4th. Starting with…
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…
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…
