Building Environmental Systems - BES™ Operator Class I - 989

Mohawk College Certificate

Building on the operations and maintenance foundations of BES™ Operator Class II, the BES™ Operator Class I Certificate explores the unique nature of hospital systems and covers in detail energy efficiency in large buildings.

Mohawk offers two BES™ certificates: Building Environmental Systems - BESOperator Class II and Building Environmental Systems - BESOperator Class I. This is the second level of certification, BESOperator Class I.

Program Contact
Continuing Education Technology

Ontario Secondary School Diploma (OSSD) or equivalent (Mohawk Academic Upgrading, GED) OR 19 years of age or older.

You do not need to apply to begin this program. Start by ensuring you meet the admission requirements listed above and then register for the courses listed in the Program of Studies when they are offered.  Some courses have prerequisites, so please check the Program of Studies for details. Find out how to register for a course.

The program of studies displayed below applies to students starting the program in the 2017/18 academic year. Students who began in other academic years may require different courses to be eligible to graduate. If you have questions regarding a strategy for completion contact Continuing Education - Technology and Skills.

Click on the Course number or Course title for more information on each course. 

Visit the Mohawk College Bookstore Textbook Search (opens in new window) for information on textbooks.

A selection of courses are available each term. Courses that are currently not available (N/A) for registration may be offered in the future – check back frequently.

Mandatory Courses

Register Course number Course title Course Hours
Course description: Explore building systems in a holistic way recognizing the interactions that exist among teh various mechanical systems and encouraging building operators to be conscious of overall operations including system operations, safety, environmental considerations and energy efficiency. Key concepts include considering buildings as a system and the components of the building envelope.
Course description: Explore the systems associated specifically with hospital buildings with their unique requirements and regulations.
Course description: Examine the energy and resource efficiency challenges of large buildings and how to address them. Topics include a review of building operating systems, energy audits, energy management, and indoor air quality.
Course description: Examine and explain air handling systems and fans, filters and ductwork. Investigate the design and implementation of related preventative maintenance programs.
Course description: This course, intended for Building Operators will study the basics of electricity, sources of electricity and building electrical services. In this course students will examine protective devices and measuring consumption with emphasis on receptacles, switches and solenoids, electric motors and starters. Students will also study the basics of lighting, fixtures and maintenance of these electrical systems.
Course description: Examine operation and maintenance of boilers, pipe systems and plumbing for building operators. Explain hot water and steam boilers and their accessories, oil and gas burners, heating controls, water pipes, fittings, valves, pumps and fire protection and alarm systems.
Course description: This is an introduction to the operation and maintenance of refrigeration and air conditioning equipment for building operators. In this course you will cover refrigerants, chillers, controls, instrumentation, condensers, and cooling towers. You will also study heat pumps, absorption systems, energy conservation and heat recovery.
Course description: Examine and explain automatic controls and their working. Investigate how are they applied and interconnected.
Course description: Explain why treatment is so important to the life of equipment. Examine the importance of knowing what water treatment is, its effects on equipment and the terminology of water treatment.