Residential Hot Water Boilers and Hydronics Technology

I.     Course Prefix/Number: AHR 206

       Course Name: Residential Hot Water Boilers and Hydronics Technology

       Credits: 3 (3 lecture; 0 lab)

II.    Prerequisite

AHR 101 and AHR 102 or consent of instructor

III.   Course (Catalog) Description

Course covers conventional and modern residential hydronic systems. Topic focus on "Near boiler" piping, accessories and zoning operations; proper sizing of heat emitting components, baseboards and piping. This is a classroom course only.

IV.   Learning Objectives

  1. Explain the basic hydronic system
  2. Demonstrate proper piping
  3. Summarize the fluid flow in a hydronic system
  4. Describe the purpose of the control in the system
  5. Analyze the operation of a hydronic heating system.

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. Fundamental Concepts
  2. Hydronic heat sources
  3. Modular boiler systems, electric thermal storage systems, Hydronic heat pumps and system design considerations.
  4. Fluid flow in piping, fluid mechanics, analyzing fluid flow, Hydrontric resistance of fitting, valves and open devices and the system resistance curve.
  5. Fluid flow in piping series and parallel hydrantic resistances, zoning and pipe sizing considerations.
  6. Analytical methods for pump performance pump efficiency, pump caritation and pump selection.
  7. Panel radiators, radiant baseboard, system heat output curve and heat loss of Heat Emitters and copper piping.
  8. Controls and Control systems.
  9. Radiant floor heating.
  10. Distribution piping systems

VII.  Methods of Instruction

The methods include lectures, videos, class discussions; a mixture of classroom exercise.

Course may be taught as face-to-face, hybrid or online course.

VIII. Course Practices Required

  1. 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).
  2. All quizzes and exam must be completed.
  3. Three tardiness will be equal to one absence.
  4. Do not leave the class for the evening without notifying your instructor.
  5. Lecture attendance is mandatory.
Course may be taught as face-to-face, hybrid or online course.

IX.   Instructional Materials

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

Books to be chosen by the instructor.

X.    Methods of Evaluating Student Progress

  1. Quizzes, Mid-term and a comprehensive final exam.
  2. "Hands on" performance evaluation

XI.   Other Course Information

Three absences lowers the final letter grade three letters.  Six absences will result in failure of the course. All appropriate safety precautions must be observed during lab sessions.  Any accident must be reported immediately.  The lab must be cleaned and all equipment picked up before leaving.

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

Electronic video and/or audio recording is not permitted during class unless the student obtains written permission from the instructor. In cases where recordings are allowed, such content is restricted to personal use only. Any distribution of such recordings is strictly prohibited. Personal use is defined as use by an individual student for the purpose of studying or completing course assignments.

For students who have been approved for audio and/or video recording of lectures and other classroom activities as a reasonable accommodation by Oakton’s Access Disabilities Resource Center (ADRC), applicable federal law requires instructors to permit those recordings. Such recordings are also limited to personal use. Any distribution of such recordings is strictly prohibited.

Violation of this policy will result in disciplinary action through the Code of Student Conduct.