Come learn about CAT vehicle service and repair


Meet the teacher
Introducing more of the teachers and leaders 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.

Dan Spurgeon

Dan Spurgeon, Caterpillar Inc., Technical Steward , HVAC Systems

“Cat HVAC service and repair”


Pic from stock


Dan has been a CAT employee since January 1990. Initially, he served in the company’ Technical Services Division as a test and development engineer with a focus directly related to HVAC systems. He was heavily involved with the process of introducing R-134a refrigerant to the fleet of nearly 200 different CAT machines.

In 1996, Dan moved to the company’s Cab Engineering Group,  and is now involved with HVAC system design, cab heating and cooling load estimation, authoring internal standards documents and developing test procedures. In his current role as HVAC Technical Steward,. Dan leads the direction of future HVAC system design, development of new factory processes to improve quality, and creating engineering standards and specifications.

“In my class I try to provide something for everyone.  I’ll start out covering several fixes for solving some of the latest problems (literally hot of the press) for CAT machine air conditioners.  For those interested in future products, I’ll look at some of the latest system designs, and go over some of the unique features; naturally with an emphasis on the impact to field diagnosis and repair.

If none of that is of interest, then the final topic is usually insightful to everyone – this is where I teach some fundamentals and basic understanding of a particular HVAC component or system.  Last year I focused on evaporator performance sizing, and I provided an in depth discussion on cabin air filtration; both topics being well received.  This year I’m gathering information on hose sizing and routing, plus I’m planning to review system issues that cause compressor seizure.
Both of these topics should be something you can take right back to the shop and apply to everyday work.  This will pack a lot of information into a short time, but like I mentioned at the beginning, there’s something for everyone!”

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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