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03Mar

With A/C season just around the corner, this seems like a good time to provide some updated information on these units.  NOTE:  Receiver driers are sometimes called filter driers and accumulators are sometimes called accumulator driers.

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03Mar

It could be a challenging year keeping adequate supplies of R-134a on hand and it will be more expensive.

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02Feb

A large percentage of MACS members have refrigerant identifiers and use of them on vehicles that come into their shop for A/C service prior to beginning any service work is standard procedure.
However, there are a lot of non-MACS member shops who do not have identifiers and unfortunately are not aware of the potential issues which can be caused by refrigerant contamination.

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02Feb

Read all about it! MACS February 2022 digital issue of ACTION magazine is ready to view.

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01Jan

MACS is changing leadership. Elvis L. Hoffpauir, is stepping down at the end of January 2022 from his duties as MACS president and chief operating officer to enjoy retirement. Following a 42-year distinguished career at the Mobile Air Climate Systems Association (MACS), Elvis will transition to past president and association advisor.

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01Jan

Attend the best mobile air conditioning training classes available!

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12Dec

The conversation involved a clutchless compressor unit. A CSR who had sold one to a shop contacted me and said his customer (who was both the shop owner and technician working on the car) had just called him. There was a concern that the compressor didn’t have a clutch wire.

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11Nov

what if” this system used an electronically controlled variable displacement compressor instead of the pressure controlled variable displacement compressor?   What would the results be?

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11Nov

At this time of year, I often end up with an earworm in my head from a Canadian rock band … Summer’s going fast, the nights are growing colder. Then it’s the line everyone knows from something more mainstream … Winter is coming. It’s early September, and the leaves on some trees are already starting to change. Winter is coming.

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10Oct

It is important to know the correct answer, but it is more important to know why it is the correct answer.  Please picture #4 for more information on that.

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10Oct

Here’s a Friday Flashback to Wednesday, September 29th, a beautiful day for golf. The MACS 41st annual golf tournament was played at Shingle Creek golf course in Orlando, FL.

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09Sep

Checking the clutch air gap before installing a compressor is an important step in compressor installation. This is because of the possibility of a clutch air gap getting knocked out of adjustment due to rough handling or it being gapped incorrectly at the factory.  These issues of course can cause problems with clutch operation.  If detected and corrected before compressor installation, a lot of time can be saved.

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