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Refrigerant Recovery

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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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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Southwest Air Products Joins MACS Trade Show

October 13, 2022

Southwest Air Products has been around for over 60 years supporting automotive, residential/commercial HVAC systems, sundries and clean rooms.
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The ambient temperature differences

October 11, 2022

That hose is easy to get to, so I whipped it off of there and had the new one on probably in less than 3 minutes.  The owner was standing there watching and thought I was finished when I tightened up the second connection. He said he was going to go up and pay and would be back to get the car and hit the road.
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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.
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Honeywell to show Solstice yf with dye at MACS

October 3, 2022

Honeywell to show Solstice yf with dye at MACS 2023 Training Event and Trade Show.
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Tools and Diagnostic Equipment for Mobile A/C Service

April 29, 2022

Remember it is up to the individual service company or technician to ensure they are following the requirements established in the location where they are working.
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Sometimes it is user error

February 8, 2022

I encountered a situation in the early days of recovery/recycling machines when they had just been introduced.  I had set up a machine about four months earlier when the customer purchased it.  I went to great lengths to cover proper operation of the unit and the shop owner even attended a certification clinic I conducted. 
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Air contamination in an A/C system can ruin your day

February 2, 2022

I had a memorable encounter with air contamination in the mid 1990s.  I was conducting a lot of retrofit clinics at the time and had recently acquired a demo refrigerant identifier which I took to those clinics. At one clinic, there was a technician who was extremely interested in the refrigerant identifier.  
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Air contamination in mobile A/C systems

January 18, 2022

We covered a base line test conducted with 0% air contamination and provided pressure and temperature information.  This week we will provide pressure and temperature information experienced with 7.7% air contamination and 18.9% air contamination. 
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MACS Tesla project

August 26, 2021

MACS is working on a project, to collect A/C charge information for Tesla vehicles, and we need your help!
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Low refrigerant charge and the search for real data part 4

July 13, 2021

When we examined the pressure readings and vent temperature readings last week, there was nothing showing up that indicated any charge issues (even operating with the 25% undercharge).
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