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A/C Refrigerant

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...
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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...
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Recycle vs Reclaim

May 17, 2023

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...
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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...
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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...
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Training At Leonardo Helicopters

February 16, 2023

By Steve Schaeber, MACS Manager of Service Training MACS Manager of Service Training, Steve Schaeber, spent the day at Leonardo Helicopters (AgustaWestland Products) at PNE airport (Northeast Philadelphia Airport) teaching...
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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...
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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...
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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...
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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...
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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...
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Staying RRR current

October 25, 2022

The refrigerant checked out fine. No contamination with other refrigerants and no air contamination.  Their machine pulled 30 ounces out of that system.
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