Introduction to Air Conditioning

I.     Course Prefix/Number: AHR 101

       Course Name: Introduction to Air Conditioning

       Credits: 4 (3 lecture; 3 lab)

II.    Prerequisite


III.   Course (Catalog) Description

Course present theories, demonstrations and lab experiences in area of basic vapor compression cycle in refrigeration. Content includes functioning and operating characteristics of mechanical re-frigeration system: condensers, evaporators, compressors, refrigerant control devices, refrigerants, test equipment, and special service procedures connected with basic refrigeration cycle. The Clean Air Act set by EPA for proper use of refrigerants explained. Fee $40.00

IV.   Learning Objectives

Develop skills to do the following:
  1. Theory:
    1. Solving English and metric problems of length, area, volume, pressure, temperature.
    2. Explaining state of matter, pressure, force, temperature, heat, heat transfer, energy, energy transfer, evaporation, condensation, super heat and sub cooling.
    3. Describing properties of various refrigeration.
    4. Recognizing and explaining the function of major components of the refrigeration cycle.
    5. Refrigerant management - Recovery/Recycling/Reclaiming
  2. Diagnosing:
    Learning proper use of basic and specialized tools to service and install air conditioning and refrigeration system.
  3. Laboratory:
    Measuring parts; making single flare, and swaged tubing connections; identifying and selecting fittings; making a complete tubing and piping assembly; testing for leaks, installing testing and charging access valves; learning to read pressure temperature gauge. Soft soldering, silver brazing, pipe threading, etc. is included among laboratory projects.  Using refrigerant recovery equipment, deep vacuum pumps, etc. to explore the working refrigeration cycles operating parameters.

V.    Academic Integrity and Student Conduct

Students and employees at Oakton Community College are required to demonstrate academic integrity and follow Oakton's Code of Academic Conduct. This code prohibits:

• cheating,
• plagiarism (turning in work not written by you, or lacking proper citation),
• falsification and fabrication (lying or distorting the truth),
• helping others to cheat,
• unauthorized changes on official documents,
• pretending to be someone else or having someone else pretend to be you,
• making or accepting bribes, special favors, or threats, and
• any other behavior that violates academic integrity.

There are serious consequences to violations of the academic integrity policy. Oakton's policies and procedures provide students a fair hearing if a complaint is made against you. If you are found to have violated the policy, the minimum penalty is failure on the assignment and, a disciplinary record will be established and kept on file in the office of the Vice President for Student Affairs for a period of 3 years.

Please review the Code of Academic Conduct and the Code of Student Conduct, both located online at

VI.   Sequence of Topics

  1. Theory
  2. Matter and Energy
  3. Refrigeration and Refrigerants
  4. General Safety Practices
  5. Tools and Equipment
  6. Tubing and Piping
  7. System Evacuation
  8. Refrigerant Management (Recovery/Recycling/Reclaiming)
  9. System Charging Procedures

VII.  Methods of Instruction

Lectures, videos, class discussions; a mixture of classroom exercise, and supervised hands-on experience in laboratory.
Course may be taught as face-to-face, hybrid or online course.

VIII. Course Practices Required

  1. All laboratory safety rules must be followed by students.
  2. No more than six (6) absence will be allowed.  Any more will result in a failing grade. (Three absence lowers one letter grade).
  3. All quizzes and exam must be completed.
  4. Frequent tardiness will result in an absence.
  5. Each student must participate in shop practices.
  6. Do not leave the class for the evening without notifying your instructor.

IX.   Instructional Materials

Note: Current textbook information for each course and section is available on Oakton's Schedule of Classes.

  1. Refrigeration and Air Conditioning Technology - 3rd Edition, Delmar Publishers, Inc.
  2. Photo Copies of Technical Data Handouts.

X.    Methods of Evaluating Student Progress

  1. Two major exams including a comprehensive final exam.
  2. Assessment of performance on exercises and laboratory task.
  3. "Hands on" performance evaluation based on proper use and care of tools while performing a task.

XI.   Other Course Information

If you have a documented learning, psychological, or physical disability you may be entitled to reasonable academic accommodations or services. To request accommodations or services, contact the Access and Disability Resource Center at the Des Plaines or Skokie campus. All students are expected to fulfill essential course requirements. The College will not waive any essential skill or requirement of a course or degree program.

Oakton Community College is committed to maintaining a campus environment emphasizing the dignity and worth of all members of the community, and complies with all federal and state Title IX requirements.

Resources and support for
  • pregnancy-related and parenting accommodations; and
  • victims of sexual misconduct
can be found at

Resources and support for LGBTQ+ students can be found at