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 >
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 >
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 >
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 >
Refrigerant Deja Vu
May 8, 2023
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...Read Article >
EPA proposes GWP limit for five MVAC subsectors
December 22, 2022
By Steve Schaeber, MACS Technical Editor The mobile air conditioning industry has, so far, used R-1234yf refrigerant primarily in passenger vehicles and light duty trucks. Although MACS has reported on...Read Article >
Essentials in PHEV and BEV Thermal Management
October 25, 2022
You can attend HVAC Hide and Seek for Electrified Vehicles: Essentials in PHEV and BEV Thermal Management with Dave Hobbs at MACS 2023 Training Event and Trade Show. class on Thursday, February 2 from 9:45-11:15am and again from 2:45-4:15pm.Read Article >
TEXA joins MACS Trade Show
October 11, 2022
TEXA joins MACS Trade Show! MACS Training Event and Trade Show will take place February 2-4, 2023, at the Gaylord Opryland Resort and Convention Center in Nashville, TN. TEXA joined MACS as a member in 2018 and is supporting MACS Training Event as a Silver Co-Sponsor of the Welcoming Reception at the Wildhorse Saloon in downtown Nashville.Read Article >
Visit ITWSexton at MACS 2023 Training Event
October 4, 2022
ITW Sexton has been a global leader in the design and manufacture of two-piece aerosol cans for over 60 years. With a variety of styles and sizes to choose from, ITW Sexton’s product line makes it easy to select the ideal solution for a wide range of standard and customized containers - from high-pressure, specialty gases to low-pressure consumer goods. Backed by the ITW family of companies, ITW Sexton is the preferred supplier of aerosol cans for customers that demand the highest level of safety and quality.Read Article >
Unlocking the compressor Lock up, PT. 2
August 30, 2022
I was driving the van home in the afternoon. It was about 45° F outside and the heater was on. It had been an uneventful 15 to 20 minutes’ drive at about 55 to 60 mph. Slowing down to make a 90 degree turn on to a different road, a faint grinding noise was heard. I rolled the window down and drove along at about 5 MPH and could hear the noise more distinctly. The next step was to pull over into a parking lot and leave the engine running and raise the hood.Read Article >
Do you know about the B1479 trouble code?
August 3, 2022
If you work on Toyota, Lexus and Scion A/C systems, chances are that you have encountered a B1479 diagnostic trouble code on a system that will not operate.Read Article >
It isn’t blowing cold enough
June 29, 2022
"It isn't blowing cold enough.” Most any auto repair shop that does A/C work will often hear customers say this phrase. It can be the result of any number of things that can be wrong with an A/C system. Often it is a case of common things such as, a low refrigerant charge, a refrigerant overcharge, contaminated refrigerant, a blend door issue, a cooling fan problem, or maybe a weak compressor.Read Article >
