Ventilation and Air Conditioning Systems Technicians
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Job description
These individuals balance ventilation and air conditioning systems. They adjust the volumes of air flowing into and out of buildings. Their work ensures good air quality and a comfortable room temperature. They work in:
- Hospitals
- Office buildings
- Private residences
- Institutions (schools, hospital centres, etc.)
- Commercial and industrial establishments
Environment
- Controlled ambient temperature
- Climatic conditions
- Equipment, machinery, tools
- Nontoxic dust
- Uncontrolled ambient temperature
- Fire, steam, hot surfaces
- Electricity
Main tasks
- Evaluate fan performance.
- Measure the flow rate of air diffusers.
- Ensure that mechanical equipment works properly.
- Submit recommendations to customers.
- Assemble and adjust measuring devices for airflow, temperature, humidity, pressure, and speed.
- Install gas measuring devices and coloured ribbons to indicate hazards.
- Erect scaffolding and climb ladders.
- Read technical documents on systems to be balanced.
Training and requirements
Formation
Most training programs are offered in French only.
College
DCS in building Systems Technology
Placement rate: 63.5%
34.6% of graduates pursue further studies
Sometimes required
- Frequent travel may be required.
- Credentials from the Joint Sector-Based Construction Association on Occupational Health and Safety may be required.
- Membership in the Ordre des technologues professionnels du Québec (OTPQ [Quebec Order of Professional Technologists]) and obtaining the title of Professional Technologist is an asset.
WAP
This occupation is targeted by a Workplace Apprenticeship Program
Main skills and characteristics
Skills
- Data collection
- Quality control analysis
- Troubleshooting
- Equipment maintenance
- Installation
- Information processing
- Monitoring operations
- Repair
- Active listening
- Reading comprehension
- Critical thought
- Operations and control
- Active learning
- Equipment selection
- Oral expression
- Time management
- System analysis
- Coordination
- Result evaluation
- Judgment and decision-making
- Solving complex problems
Abilities
- Awareness of issues
- Digital dexterity
- Near vision
- Visualization
- Manual dexterity
- Deductive reasoning
- Hand-arm stability
- Inductive reasoning
- Physical flexibility in extension
- Oral comprehension
- Limb coordination
- Core strength
- Information organization
- Perception speed
- Speech recognition
- Selective attention
- Colour perception and distinction
- Written comprehension
- Control accuracy
- Verbal skills
- Information processing speed
- Speech clarity
- Classification
- Distance vision
- Written expression
- Static muscle power
- Processing flexibility
Knowledge and attributes
- Capacity to adapt
- Knowledge of mathematics
- Versatility
- Rigour
- Creativity
- Desire to upgrade one’s competencies
- Sense of observation
- Commitment to quality
- Knowledge of buildings and construction
- Knowledge of mechanics
Interests
- Work with numbers
- Make, build, install
- Work manually
Personality profiles (RIASEC)
- Realistic
- People with this profile prefer carrying out concrete tasks and being physically involved in what they do.
- Investigative
- People with this profile prefer relying on theoretical knowledge before acting. They like observation, analysis and problem solving.
- Conventional
- People with this profile prefer specific, well-defined tasks. They like to respect the order of things and follow established rules.
Appellation d’emploi liée (à traduire)
Mechanical engineering technologists and technicians (CNP 22301)
Skill type
Natural and applied sciences and related occupations
Last update: January 29, 2026