Get on the bus in Orlando!

By Jim Taylor, Editor MACS ACtion Magazine

Meet the teacher
Continuing our series of blogs introducing some of the teachers that will be presenting classes at the upcoming MACS Training Event and Trade Show in February. Each of these class leaders has been chosen for their detailed knowledge of their topic and their ability to present it to you.

Kermit Walden, Trans/Air Manufacturing

“Bus A/C systems”

Bus A/C systems can pose unique challenges when it comes to locating and repairing leaks. Anyone working in this specialty field needs to meet this instructor.

Kermit Walken is a field service technician for TransAir Manufacturing and his duties include field service repairs throughout the United States, conducting classes on installation, maintenance, diagnostics, and repair of TransAir systems, fielding technical calls, and assisting customers and other technicians with diagnosing and repairing systems. He’s spent the last 20 years installing, troubleshooting, and repairing A/C systems on buses ranging from small shuttles to large transit buses.

What’s this session all about?

Kermit replies, “Through the years I’ve learned a lot from mistakes made by others as well as my own. Mistakes, however costly, aren’t always a bad thing if you learn from them. My goal in this class is to help you avoid making the same mistakes in the first place by sharing what other technicians and I have learned.

“Having started out in the bus air conditioning industry as an installer, I’ve learned the “ins and outs” of hose routing in different applications, as well as the problems they can pose. I want to share with you some ways of systematically locating the leaks and deciding the best way to repair them and assure that they don’t reoccur.

“I’ll also be explaining how evacuating, leak testing and recharging the larger bus systems differ from the smaller systems found in the automotive industry and how to properly perform these tasks in ways that could save you time, aggravation, as well as money. I hope to see you there.”


The Mobile Air Conditioning Society’s blog has been honored as the best business to business blog in the Automotive Aftermarket by the Automotive Communications Awards and the Car Care Council Women’s Board!

When having your mobile A/C system professionally serviced, insist on proper repair procedures and quality replacement parts. Insist on recovery and recycling so that refrigerant can be reused and not released into the atmosphere.

If you’re a service professional and not a MACS member yet, you should be, click here for more information.
You can E-mail us at or visit to find a Mobile Air Conditioning Society member repair shop in your area. Click here  to find out more about your car’s mobile A/C and engine cooling system.

The 33rd annual Mobile Air Conditioning Society (MACS) Worldwide Training Conference and Trade Show, Be the Best of the Best will take place February 7-9, 2013 at the Caribe Royale, Orlando, FL.


About macsworldwide

Mobile Air Conditioning Society (MACS) Worldwide Founded in 1981, MACS is the leading non-profit trade association for the mobile air conditioning, heating and engine cooling system segment of the automotive aftermarket. Since 1991, MACS has assisted more than 600,000 technicians to comply with the 1990 U.S. EPA Clean Air Act requirements for certification in refrigerant recovery and recycling to protect the environment. The Mobile Air Conditioning Society (MACS) Worldwide’s mission is clear and focused--as the recognized global authority on mobile air conditioning and heat transfer industry issues.
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