BES703 - Air Handling

Outline info
Last revision date 2018-09-12 13:11:41.267
Last review date 2018-09-12 13:11:41.268

Subject Title
Air Handling

Subject Description
The Air Handling subject (incorporating waste management) is designed to prepare students to operate air handling systems in a safe, energy efficient, and environmentally conscious manner as well as to manage waste in a safe, efficient, cost effective and environmentally friendly manner.

Credit Status
One credit toward the Building Environmental Systems (BES) Operator Class II Certificate

Learning Outcomes
Upon successful completion of this subject the student will be able to:

1. Describe the main components of air-handling systems.

2. Identify indoor air quality problems in a building and list solutions to each of the deficiencies.

3. Demonstrate methods of locating sources of various gases and the ways in which these sources can be eliminated.

4. Name the many types of ductwork systems and draw diagrams with all pertinent information noted.

5. Identify the types of fans by the blade configuration and the uses for each type of fan.

6. Describe the benefits of dehumidification, humidification and the methods used to achieve them.

7. Recognize the lines on a psychrometric chart, name them and give a short description of what each line represents.

8. Describe the operation of the main exhaust and the smoke ejector systems in a building.

9. Describe the basic elements of ductwork construction and connections.

10. Explain how duct maintenance affects energy efficiency.

11. Describe the principle of operation for the various types of filters commonly used in building air-handling system.

12. Perform calculations with regards to the amount of outside air necessary to maintain building pressurization.

13. Measure fan performance and read fan performance curves.

Cheating and Plagiarism
Each student should be aware of the College's policy regarding Cheating and Plagiarism. Seneca's Academic Policy will be strictly enforced.

To support academic honesty at Seneca College, all work submitted by students may be reviewed for authenticity and originality, utilizing software tools and third party services. Please visit the Academic Honesty site on for further information regarding cheating and plagiarism policies and procedures.

All students and employees have the right to study and work in an environment that is free from discrimination and/or harassment. Language or activities that defeat this objective violate the College Policy on Discrimination/Harassment and shall not be tolerated. Information and assistance are available from the Student Conduct Office at

Accommodation for Students with Disabilities
The College will provide reasonable accommodation to students with disabilities in order to promote academic success. If you require accommodation, contact the Counselling and Disabilities Services Office at ext. 22900 to initiate the process for documenting, assessing and implementing your individual accommodation needs.


Topic Outline

Introduction to Air Handling

  • Air in the Environment
  • Basic Elements of HVAC

Indoor Air Quality
  • IAQ - Complaints and Impacts
  • Sick Building Syndrome
  • Sources of Contaminants
  • Energy Efficiency

Air Handing Systems
  • Equipment Involved in Air Handling
  • System Types and Layout

Exhaust and Pressurization
  • Building Exhaust Systems
  • Building Pressurization

  • Types of Fans
  • Pressure in Duct
  • Fan Performance
  • Flow Control and Efficiency

Duct Construction, Silencing and Maintenance
  • Material and Joints
  • Dampers and Vanes
  • Noise and Vibration
  • Maintenance and Efficiency

Filters and Terminal Devices
  • Air Filters
  • Types of Terminals

Mode of Instruction
Traditional Classroom
Lectures, discussions in the classroom, video 

Independent learning with tutor support.  Instructor will contact you by email. 

Prescribed Texts
BES 703 - Air Handling & Preventive Maintenance Manual, Seneca College, ISBN/Sku #: 0-00011-703-B. Available from the Seneca Bookstore.  

Correspondence students, your text fee is included and your text will be shipped to you.

Reference Material

Required Supplies

Promotion Policy

Grading Policy
A+ 90%  to  100%
A 80%  to  89%
B+ 75%  to  79%
B 70%  to  74%
C+ 65%  to  69%
C 60%  to  64%
D+ 55%  to  59%
D 50%  to  54%
F 0%    to  49% (Not a Pass)
EXC Excellent
SAT Satisfactory
UNSAT Unsatisfactory

For further information, see a copy of the Academic Policy, available online ( or at Seneca's Registrar's Offices.

Modes of Evaluation
Marking standards reinforce professional practice by demanding legible, tidy work. Written projects should be well organized and grammatically correct, with proper spelling and punctuation. Late projects are penalized. Please obtain standards, dates and additional information from your instructor.

While attendance is not a formal part of the evaluation process, absenteeism will almost guarantee your inability to achieve a satisfactory grade, as there is no formal provision for make-up tests or projects you may miss.

For further information on evaluation and academic standing, see a copy of the Academic Policy. They are available at Seneca Registration offices.

All exams are written in person, either in class or in a test centre in the case of online students.

Grading is based on the following marking scheme:

Projects 20%
Midterms 40%
Finals 40%

Correspondence and Online
Project 1              30%
Project 2              30%
Final                      40%

Approved by: Sharon Estok