Refrigerant Deja Vu (Part Deux)
May 30, 2023
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...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 >
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 >
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 >
Deere allows farmers to repair their own equipment
January 22, 2023
by Steve Schaeber, MACS technical editor After years of debate, a memorandum of understanding (MOU) has been signed by the world’s largest farm machinery manufacturer. On January 8, 2023, Deere...Read Article >
A Memorable Tech Call
January 4, 2023
by Richard Hawkins Happy New Year to everyone. Hope you all had a good holiday season. We will begin the year on something of a light note. I am sometimes...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 >
