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Air Conditioning and Refrigeration

A 2-Day Course for Building, Plant & Facility Maintenance
Day 1 - Understanding Principles, Components & Systems
Day 2 - Maintenance, Troubleshooting & Operating Efficiency

Both Days - $990  |  Day 1 - $495  |  Day 2 - $495

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Check out these testimonials for our Air Conditioner and Refrigeration course, which is as popular as our exceptional electrical courses.

"This course was the most informative I have ever been to."
Dan Legge - Maintenance Manager - Colorcon

" Well presented… A very good experience."
Robert S. Sander - Maintenance Technician - TG Missouri

"This class by far achieved and exceeded my expectations!"
Jason Callis - Facility Manager - Household International

"Instructor is very knowledgeable and put things in terms that were easy to understand."
Rodney Miller - Maintenance Supervisor - TG Missouri Group

Download your free EPA 608 Study Guide here!

Purpose of Seminar:

This course prepares students to understand, operate, maintain, and troubleshoot air conditioning systems. It is perfect for the multi-craft maintenance person who takes care of "everything" in their building or facility, who needs to excel in air conditioner and electrical training. The seminar is designed to have immediate impact by giving students experience and practical knowledge of A/C units and everything relating to them, which students can put to work immediately at their facility.

Who should take this course?

This course is designed for anyone who needs to understand basic operation, maintenance, and troubleshooting of air conditioning and refrigeration systems in order to improve efficiencies and uptime at their industrial plants and large building facilities. Individuals involved with residential HVAC&R systems and those responsible for upkeep of commercial and mobile refrigeration units will also find this course extremely valuable. .

This course typically gets attendees come from a wide variety of industries, skill levels, company sizes, and job titles. So everybody who has an interest in air conditioning and refrigeration will fit in.

The following maintenance personnel will benefit from this seminar:

  • All building maintenance personnel
  • All plant & facility maintenance technicians
  • Building engineers
  • Building managers & superintendents
  • Plant & facility managers
  • Environmental health & safety personnel
  • Apprentice and experienced HVACR technicians
  • Stationary engineers
  • Refrigeration technicians
  • Energy management personnel
  • Multi-craft & cross-training personnel
  • Mechanical engineers
  • Any person needing a basic course in air conditioning & refrigeration

As well, it will benefit personnel who work in:

  • Manufacturing plants
  • Commercial buildings
  • Hospitals
  • Waste water facilities
  • Schools
  • Government buildings
  • Research facilities
  • Shopping centers
  • Apartment buildings

Topics Covered

  1. Fundamentals of air conditioning and refrigeration primary components
  2. Refrigerants & oils, types and classifications
  3. System and component measurements
  4. Safety
  5. Commercial and industrial chillers
  6. System operation
  7. Maintenance of A/C
  8. A/C system diagnostics
  9. System servicing & troubleshooting checklists
  10. Energy conservation & peak operating efficiency
  11. Regulatory considerations - EPA Section 608
  12. EPA Section 608 technician licensing & certification

Training Outcomes

Upon completion of this course, students will receive a training certificate and 0.8 Continuing Education Units for each day attended meaning 1.6 credits for 2 days.

After day one, the student will have learned to:

  1. Understand the fundamentals of air conditioning & refrigeration;
  2. Identify components in AC&R systems and know what they do;
  3. Know the differences, types, and classifications of refrigerants & oils;
  4. Accurately read systems & component measurements;
  5. Understand air properties and understand how they affect the AC&R system;
  6. Work safely with AC&R systems; and
  7. Understand what licensing and certification is required/not required.

After Day Two:

  1. Operate an AC&R system from top to bottom;
  2. Conduct preventative and repair maintenance activities;
  3. Troubleshoot and service AC&R systems;
  4. Understand the role of energy conservation &peak operating efficiency; and
  5. Understand regulatory considerations.

Students who take and pass the optional EPA 608 Technician Licensing Certification exam at the end of Day 2 will also have the potential to earn EPA 608 certification.

Course Outline / Agenda

Students can attend one or both days of this two-day seminar.

Day One Discussion Topics


On day one students get a well-rounded, broad introduction to Air Conditioning and Refrigeration. This is a great training overview for apprentice technicians, multi-craft tradespeople, building managers, and anyone who wants to understand the general principles and concepts of A/C and refrigeration. Students also learn about the primary components and accessories used in A/C and refrigeration systems, how they work, and where and how these components and accessories are used in HVACR systems. Further discussions also cover refrigerants & oils and accompanying regulatory laws.

Fundamentals of Air Conditioning and Refrigeration

  • Air conditioning versus refrigeration
  • Laws of thermodynamics and heat transfer
  • Types of air conditioning & refrigeration systems

Regulation, Codes, and Standards

  • New Energy Efficiency Standards (SEER)
  • EPA Section 608 of the Clean Air Act
  • Technician licensing, testing and certification

Compression Refrigeration Cycle

  • Basic system design
  • Follow-the-Heat TM


  • CFCs, HCFCs, HFCs, Inorganics
  • Zeotropic and azeotropic refrigerant mixtures
  • Refrigerant safety
  • Working with new blends including R-410A refrigerant
  • EPA Section 608 Significant New Alternative Policy (SNAP)

Refrigerant Oils

  • MO, AB, POE, PAG, PAO oils
  • Oil properties
  • Maintaining oil quality in your AC&R system

Major AC&R System Components

  • Evaporator
  • Compressor
  • Condenser
  • Metering (expansion) device

Day Two Discussion Topics


The second day is for students that have attended day one or who have a good understanding of A/C and refrigeration components and systems. Day two aims to help students achieve maximum performance to improve A/C & refrigeration system energy efficiency. To achieve this, students are taught about maintenance schedules and servicing, system diagnostics, troubleshooting techniques, and fine tuning to gain maximum efficiency. They learn common practices and some "tricks-of-the-trade" for better A/C and refrigeration systems operation and maintenance. Day two also includes an introduction to commercial and industrial chillers, along with laws and energy conservation. Free EPA 608 Technician certification testing is also available as an option at the end of day two.

Auxiliary System Components

  • Crankcase heater
  • Suction accumulator
  • Receiver
  • Filter-drier
  • Sight glass with moisture indicator
  • Oil separator
  • Service valves
  • Muffler
  • Refrigerant controls, and more...

Electrical Control Circuit Fundamentals for AC&R

  • Electrical controls and components
  • Relays and contactors
  • Thermostats

Refrigeration Systems

  • Commercial refrigeration
  • Ice machines
  • Other specialty refrigeration systems

System Diagnostics, Servicing & Troubleshooting

  • Service tools and equipment
  • Manifold gauge set
  • Recovery machine
  • Vacuum pump
  • Micron gauge
  • Leak detection equipment
  • Recovering Refrigerant
  • Charging the AC&R system
  • Troubleshooting AC&R system problems
  • Energy conservation & peak operating efficiency

Air Handling Systems

  • Psychrometrics - the study of air
  • Fans and filters
  • System maintenance

Heat Pumps and Chillers

  • Air, water, and ground-source heat pumps
  • Heat pump operation and troubleshooting
  • Chilled water system design and operation

(at the end of day 2 only - optional)

Free EPA 608 Technician Certification Testing

Testing for EPA section 608 certification is optional. Section 608 of the Federal Clean Air Act requires that all persons who maintain, service, repair, or dispose of appliances that contain regulated refrigerants be certified in proper refrigerant handling techniques by passing the EPA 608 Technician Certification exam. Students may take the test at the end of day 2. While we cover material relevant to the test and make every attempt to help our students pass this exam, we cannot guarantee individual success. Therefore it is recommended that students who want to take the test attend both days and plan time to study beforehand.

Download your free EPA 608 Study Guide here!

What You Will Take Home

  • An American Trainco Seminar manual detailing all air conditioning & refrigeration presentation material covered in the class;
  • A personalized Air Conditioning & Refrigeration Training Certificate with 0.8 American Trainco Continuing Education Units for each day attended, 1.6 for both days,; and
  • All the information you need from asking our instructors specific questions about your own A/C, chiller or HVAC&R equipment.

Optional ATMT Certification® Testing

An optional ATMT® Certification exam is available for this and some of our electrical courses. Students may take it online or as a written test any time after the class is over. Please visit ATMT® Testing and Certification for more information.

Continuing Education Units (CEUs)

All students attending our seminars receive a personalized Certificate of Completion and .8 CEUs (Continuing Education Units) per day of training. Over 40,000 employers and government agencies who have sent their employees to our classes accept American Trainco CEUs for continuing education requirements. Our administration and record keeping practices meet or exceed the standards of ACE (American Council on Education) and we are able to provide transcripts of all classes attended and tests taken by individual students. Please contact us if our CEUs are not yet accepted by your authority. We will initiate an application to get the approval process started.

In House Training

You can bring this or any American Trainco seminar directly to your plant or facility. We offer dozens of courses covering a broad range of maintenance and maintenance management topics. Our expert instructors are among the most experienced in the industry and can modify or customize training programs to meet your specific needs - whether you need a short refresher course or an in depth program that focuses on your equipment and processes. In house training reduces the training cost per employee and limits the time required away from work. There are several other advantages of in house training as well.

Request a quote for in-house training

No Risk Registration & Money-Back Guarantee

United States and Canada

If you're not yet sure you'll be able to attend a seminar, you can still make a reservation to hold your space in class. While payment is due prior to the start of the seminar, you may choose a full refund or credit for cancellations made at least 24 hours in advance. Student substitutions can also be freely made at any time prior to the start of the seminar. Refunds will not be issued for registered attendees who fail to show up and have not given a notice of cancellation.

In the rare event that should you not receive the expected value after attending our seminar, simply notify us in writing of your reasons and your money will be promptly refunded.

International and Overseas

If you're not yet sure you'll be able to attend a seminar, you can still make a reservation to hold your space in class. However, payment for international and overseas students must be made prior to the start of the seminar, in U.S. dollars, and all seminar fees are non-refundable. Student substitutions can be freely made at any time prior to the start of the seminar. American Trainco’s Money-Back Guarantee does not apply for international and overseas registrations.

Please contact us if you have any questions about this or any of our other HVAC, A/C&R, hydraulic, facility management, or electrical courses.

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