Introduction to Air Conditioning & Refrigeration
I. Course Prefix/Number: AHR 101
Course Name: Introduction to Air Conditioning & Refrigeration
Credits: 4 (3 lecture; 3 lab)
III. Course (Catalog) Description
This course presents theory, demonstrations and lab experiences in area of basic vapor compression cycle in refrigeration. Content includes functioning and operating characteristics of mechanical refrigeration 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 is explained.
IV. Learning Objectives
- Solve English and metric problems of length, area, volume, pressure, temperature.
- Defining state of matter, pressure, force, temperature, heat, heat transfer, energy, energy transfer, evaporation, condensation, super heat and sub cooling.
- Describing properties of various refrigerants.
- Recognizing and explaining the function of major components of the refrigeration cycle.
- Refrigerant management – Demonstrate the procedure to Recovery, Recycling and Reclaiming
V. Academic Integrity and Student Conduct
• 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
- Matter and Energy
- Refrigeration and Refrigerants
- General Safety Practices
- Tools and Equipment
- Tubing and Piping
- System Evacuation
- Refrigerant Management (Recovery/Recycling/Reclaiming)
- System Charging Procedures
VII. Methods of Instruction
The methods include 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
- All laboratory safety rules must be followed by students.
- The maximum allowed absences are six (6). Any more will result in a failing grade. (Three absences will lower your grade by one letter grade).
- All quizzes and exam must be completed.
- Three tardiness will be equal to one absence.
- Each student must participate in shop practices.
- Do not leave the class for the evening without notifying your instructor.
- The schedule of lecture and lab assignments is tentative. It may change as conditions dictate.
- Lecture attendance is mandatory.
IX. Instructional Materials
Books to be chosen by the instructor.
X. Methods of Evaluating Student Progress
- Quizes, Mid-term and final exams including a comprehensive final exam.
- Assessment of performance on exercises and laboratory task.
- "Hands on" performance evaluation
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
Resources and support for LGBTQ+ students can be found at www.oakton.edu/lgbtq.