Introduction to Building Systems - HVAC

I.     Course Prefix/Number: CAD 140

       Course Name: Introduction to Building Systems - HVAC

       Credits: 4 (3 lecture; 0 lab)

II.    Prerequisite


III.   Course (Catalog) Description

This course in CAD for Facilities Management, Facilities Engineering, Focuses on Heating, Ventilation, Air Conditioning (HVAC), and fire Protection Systems.  The course covers layout and creation of Computer-generated models as they apply to building's mechanical systems.  Topics include fundamentals of the development of construction drawings using CAD for HVAC, fire protection systems. (The course does not include engineering aspects of design but only the layout and drafting using CAD.)  Students cannot receive credit for both CAD 140 and FME 140.

IV.   Learning Objectives

The students will be taught the basic terminology of computer-aided design.  They will learn how to operate the computers and plotters and how to select commands from the keyboard, tablet and screen menus.  After learning the commands of the basic CAD system, they will use building systems software to learn the benefits of discipline specific programs.

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

See D2L

  • Exploring AutoCAD tools and Displays.
  • Creating Drawing Aids.  Basics Handout
    • Floor plans
  • Drawing and Controlling
    • Floor plans
    • Printing and Plotting Guide
  • Drawing Organization, Introduction to Dimensioning
    • HVAC Fixtures and Equipment
  • Constructing Geometric Figures & Object Selection
  • Doors and Windows                                
  • Midterm Examination
  • Architectural Desktop Introduction to Building Systems
    • Fundamentals
  • Adding Attributes to Enhance Blocks
    • Fire Alarms
  • Architectural Desktop / Controlling Drawing Accuracy
    • Sprinkler Systems
    • Structural Design
    • ASHRAE duct fittings
  • Final Exam
  • Projects Evaluation

VII.  Methods of Instruction

Lecture demonstration of drawing techniques with a hands on focus emphasizing the solution of drawing problems.

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

VIII. Course Practices Required

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

IX.   Instructional Materials

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

X.    Methods of Evaluating Student Progress

Drawings will be graded according to standard drawing conventions provide on assignment sheets, notes and handouts.  Late submissions will incur a 10% late fee.

A 90% -
B 80%
C 70%
D 60%
F Below 60%

Attendance 10%

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