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Customized Mobile A/C Training

Hire a MACS instructor for customized, in-person and professional mobile A/C training classes

MACS can customize mobile A/C classes to fit your specific requirements. All costs are dependent on location, number of students attending and hours of instruction. For more information on MACS customized A/C training classes contact us today.

Custom Mobile A/C Training Formats

  • At MACS: Come to MACS for use of our  state-of-the-art training facility at MACS headquarters in Lansdale, PA.
  • Online Webinar: MACS can also teach classes at your facility remotely via webinar. A webinar means your techs watch the presentation on a special website on the internet and listen and communicate with the instructor by telephone.
  • Wherever you are: Prefer to limit travel? No problem, MACS can come to you.

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Customized Mobile A/C Training

Mobile A/C Clinic Book Cover

MACS Mobile A/C Update 2020

Every year the Mobile Air Climate Systems Association creates a special mobile A/C update clinic to help working technicians keep up with the rapidly changing mobile A/C service and repair industry. MACS manager of technician training, Steve Schaeber wants today’s technicians to,

“Spend a few hours investing in mobile A/C and engine cooling training that they can take home to their shops and put to work the next day to keep them efficient and profitable while offering customers reliable repairs.”

To achieve that goal, the training topics for MACS 2020 Mobile A/C Update clinics are:

  • Sometimes we think too hard
  • Manifold gauge pressures vs. line temperatures: The inexact science evolves
  • Fluorescent leak detection
  • A/C airflow switches to defrost
  • A/C performance in hot climates / engine temps
  • Software fix for HVAC Noise?
  • In-car and OAT (Ambient) temperature sensors
  • Electronics comes to the “thermostatic” expansion valve
  • A few A/C shorts
  • Update on refrigerant regulations, R-1234yf and Section 609 Certification

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Hands holding temperature gauge by engine

Best Practices: Automotive Air Conditioning System Theory, Diagnosis, and Service Procedures

This course describes “Best Practices” service and repair methods pertaining to mobile A/C systems. Its “Boot Camp” style approach delivers “everything you need/nothing you don’t” in a fast-paced, highly informative manner.

Benefits of this A/C class includes helping to ensure: 

  • More accurate diagnoses
  • High-quality long lasting repairs
  • Reduction of comebacks
  • Increased customer satisfaction.

Major subjects the course covers include:

  • A/C Systems: What They Do and How They Do It
  • A/C System Components: Description and Operation
  • A/C System Refrigerants and Oils
  • Essential A/C System Service Practices and Precautions
  • Mobile A/C System Temperature Testing

In this class, attendees will learn how to use temperature readings taken at various locations throughout an A/C system, to pinpoint problems. This in-depth program was developed by placing “bugs” in systems (both orifice tube and expansion valve) that simulate often-encountered real world situations. All “normal/good” and “abnormal/bugged” conditions were photographically documented. The “results” of the bugs, when matched up with the temperature readings taken, show how things like under/over charge, internal restrictions, blocked cabin air filters and condensers, and other improper conditions, affect A/C system performance and operation. Armed with the knowledge from this program, when confronted with similar circumstances in the field, technicians will have a good understanding concerning how to proceed with authoritative diagnosis and effective repair.

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Maximizing Your A/C Tools and Equipment

What’s the right tool for the job? This course delivers an in-depth hands-on look at how to select and use the right tool for the job during a mobile A/C repair. Tools covered include; refrigerant identifiers, electronic leak detectors, ultraviolet dye type leak detection systems, CFC-12 recovery/recycling machines, HFC-134a and R-1234yf recovery/recycling machines, manifold gauges, vacuum pumps, refrigerant weighing scales and/or charging cylinders, various temperature measuring devices, such as dial thermometers, digital pyrometers, infrared thermometers, etc., digital multi-meters, scan tools, hose repair crimping tools, spring lock coupling disassembly and service tools, A/C service fitting service tools, orifice tube service tools, cooling system pressure testers, cooling system flush and recycling equipment, compressor clutch service tools, hand held vacuum pumps, battery/charging system testers, charging/service hose sets, coolant refractometers, heat guns, and recovery only machines. Shop must provide the equipment.

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Auto A/C leak detector resting on engine

Electrical Functions in Air Conditioning

The electrical functions program covers the fundamentals of electricity as applied in automotive systems. Specific air conditioning electrical components are discussed in detail. Also covered are test instruments, electrical circuit operations and schematics, operation of A/C electrical components and battery/charging system testing. Completion of this program will prepare automotive technicians to approach some of the more difficult electrical challenges. Much of the material in this course is directly applicable to other electrically-operated vehicle systems.

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609 Certification Training & Practice Tests

609 Certification Training Webinar

Discounted member price: $0

This webinar is designed to help technicians gain the knowledge they need before taking the Section 609 Certification test. The webinar is an aid to the Section 609 study guide, but doesn’t take the place of it.

MACS dues paying members are reminded this webinar can be viewed free in the members only section of the website when members log in with their user name and password.

  • The webinar is approximately 60 minutes.
  • The webinar is available for viewing for one month after date of purchase.


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MACS Section 609 Certification Test Study Manual

The MACS Section 609 test study manual is available as a complimentary download as a pdf document from this page in both English and Spanish.

Home study test orders include a hard copy study manual and test mailed to your location.

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Auto tech inspecting car A/C unit

609 Certification Practice Test


To help you prepare for the 25-question 609 online Certification test, MACS offers a 10-question online practice exam. You can review the study guide to prepare for the practice test as well as the real test.
Note: Practice 609 tests are offered online only.

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Mobile A/C Instructor & 609 Proctor Kits

Mechanic testing temperature of car

Section 609 Proctor Kit – Printed


Teach the MACS Section 609 Certification Program

The printed kit, which consists of a download of the presentation, a printed Training Script, a trainer’s certificate, tests and training manuals.
MACS 609 Proctor Guidelines

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Hands holding temperature gauge by engine

Section 609 Proctor Kit – Digital


Teach the MACS Section 609 Certification Program

The soft kit, which consists of a download of the presentation, a trainer’s certificate, tests and training manuals.

MACS 609 Proctor Guidelines

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Text Book Instructor Kit Cover

Modern Automotive HVAC: Electrical & Electronic Systems – Instructor Kit


Purchase a PowerPoint® with printed guide to aid you in your 609 Certification training classes.

  • Price includes shipping within the domestic U.S.
  • Other shipping requirements will be called for confirmation

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HVAC Instructor Kit Cover

Modern Automotive HVAC Systems – Instructor Kit


Purchase a 211-slide PowerPoint® with printed guide to aid you in your 609 Certification training classes.

  • Price includes shipping within the domestic U.S.
  • Other shipping requirements will be called for confirmation.

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