Certificate in Ventilation Systems Design & Maintenance

The Certificate in Ventilation Systems Design & Maintenance is designed to provide learners with practical knowledge and technical skills required for the planning, design, installation, inspection, operation, maintenance, troubleshooting, and performance management of mechanical and natural ventilation systems used in residential, commercial, institutional, industrial, hospitality, healthcare, and other occupied buildings.

The program introduces the principles of ventilation, air movement, fresh-air supply, exhaust-air systems, air changes, indoor air quality, pressure relationships, airflow distribution, ductwork, fans, dampers, filters, louvers, grilles, diffusers, air-handling equipment, and ventilation controls. Learners will develop an understanding of how ventilation systems are designed and operated to provide appropriate fresh air, remove contaminants, control moisture and odours, and support acceptable indoor environmental conditions.

The course covers basic ventilation design considerations, airflow calculations, duct sizing concepts, fan selection awareness, pressure-loss considerations, air-distribution layouts, fresh-air and exhaust-air arrangements, mechanical room ventilation, bathroom and kitchen exhaust, smoke-control awareness, and specialist ventilation applications. Maintenance topics include filter replacement, fan and motor inspection, duct and grille cleaning, damper checks, airflow testing, balancing awareness, vibration monitoring, control-system inspection, and fault diagnosis.

Emphasis is placed on practical ventilation system performance, energy efficiency, indoor air quality, systematic maintenance, safe working practices, accurate documentation, and professional coordination with HVAC, electrical, architectural, and building-services teams.

Skills Covered

• Fundamentals of ventilation systems

• Natural and mechanical ventilation

• Purpose and functions of ventilation

• Fresh-air supply systems

• Exhaust-air systems

• Supply and return-air systems

• Air distribution principles

• Indoor air quality and ventilation

• Ventilation rates and air changes

• Outdoor-air requirements awareness

• Building pressure relationships

• Positive and negative pressure concepts

• Ventilation zoning

• General building ventilation

• Residential ventilation systems

• Commercial building ventilation

• Industrial ventilation

• Kitchen and food-service exhaust

• Toilet and bathroom exhaust

• Garage and parking-area ventilation

• Basement and enclosed-space ventilation

• Mechanical room ventilation

• Warehouse and storage-area ventilation

• Healthcare ventilation awareness

• Specialist and process ventilation awareness

• Smoke-control and smoke-extraction awareness

• Ventilation system components

• Fans and blowers

• Axial fans

• Centrifugal fans

• Inline and exhaust fans

• Fan motors and drives

• Variable-speed fan control

• Ductwork systems

• Sheet-metal ductwork

• Flexible ductwork

• Duct fittings and transitions

• Elbows, tees, reducers, and branches

• Dampers and volume-control devices

• Fire and smoke damper awareness

• Louvers and weather grilles

• Supply and return grilles

• Diffusers

• Filters and filtration systems

• Air-handling units

• Fresh-air handling units

• Heat-recovery ventilation awareness

• Silencers and acoustic treatment

• Duct insulation

• Vapour barriers

• Flexible connections

• Vibration isolators

• Access doors and inspection openings

• Ventilation system drawings

• Architectural and MEP drawing interpretation

• Ventilation layout planning

• Airflow calculations

• Air-change calculations

• Basic ventilation load considerations

• Duct sizing concepts

• Air velocity and pressure concepts

• Fan selection awareness

• Static and dynamic pressure awareness

• System pressure-loss concepts

• Air-balancing awareness

• Fresh-air and exhaust-air calculations

• Ventilation equipment selection awareness

• Installation planning

• Duct routing and support

• Fan installation

• Damper installation

• Filter installation

• Grille and diffuser installation

• Airflow testing

• Anemometer and airflow measurement

• Differential-pressure measurement

• Temperature and humidity monitoring

• CO₂ monitoring awareness

• Ventilation commissioning

• Preventive maintenance planning

• Fan and motor inspection

• Bearing and belt inspection

• Filter cleaning and replacement

• Duct inspection and cleaning

• Damper inspection and adjustment

• Louver and grille cleaning

• Vibration and noise monitoring

• Airflow and pressure checks

• Control-system inspection

• Sensor and thermostat checks

• Variable-speed drive awareness

• Ventilation troubleshooting

• Low airflow diagnosis

• Excessive airflow diagnosis

• High system pressure-loss awareness

• Fan failure troubleshooting

• Motor and drive faults

• Damper and actuator problems

• Filter blockage diagnosis

• Duct leakage awareness

• Noise and vibration problems

• Odour and indoor-air-quality complaints

• Condensation and moisture problems

• Ventilation control faults

• Energy-efficient ventilation operation

• Demand-controlled ventilation awareness

• Occupancy-based control

• Heat-recovery concepts

• Maintenance records and service reporting

• Ventilation performance monitoring

• Contractor and service-provider coordination

• Electrical and mechanical safety

• Working-at-height safety

• PPE and safe tool use

• Site housekeeping and professional maintenance practices

Why Join This Program?

• Develop practical knowledge of modern ventilation system design and maintenance.

• Understand how ventilation supports indoor air quality, occupant comfort, and moisture control.

• Learn the differences between natural and mechanical ventilation systems.

• Develop skills in planning fresh-air supply and exhaust-air arrangements.

• Understand basic airflow, air-change, pressure, and duct-sizing concepts.

• Learn how fans, ducts, dampers, filters, grilles, diffusers, and louvers work together.

• Develop practical knowledge of residential, commercial, industrial, kitchen, bathroom, and enclosed-area ventilation.

• Understand basic fan selection and system pressure-loss considerations.

• Learn how to interpret ventilation drawings and MEP layouts.

• Develop awareness of air balancing, commissioning, and airflow measurement.

• Learn how to inspect and maintain fans, motors, filters, dampers, ducts, and air-distribution devices.

• Develop troubleshooting skills for low airflow, excessive pressure, fan failures, noise, vibration, and control problems.

• Understand the importance of ventilation for indoor air quality and contaminant control.

• Learn basic methods for monitoring airflow, pressure, temperature, humidity, and CO₂.

• Develop knowledge of energy-efficient ventilation strategies and demand-controlled operation.

• Understand heat-recovery and variable-speed ventilation concepts.

• Develop professional maintenance documentation and reporting skills.

• Learn safe working practices for electrical, mechanical, elevated, and enclosed ventilation work.

• Prepare for responsibilities in HVAC operations, facilities management, building maintenance, MEP services, and ventilation-system installation and maintenance.

Course Objective

The objective of the Certificate in Ventilation Systems Design & Maintenance is to develop practical and technical competence in the planning, design, installation, operation, inspection, maintenance, troubleshooting, and performance monitoring of ventilation systems. The program aims to equip learners with the ability to understand ventilation requirements, prepare basic airflow and air-change calculations, interpret layouts, understand duct and fan selection principles, coordinate system installation, inspect and maintain ventilation components, assess airflow and pressure conditions, identify common faults, support indoor air quality objectives, improve energy efficiency, and carry out maintenance activities safely and professionally.

Learning Outcomes

Upon successful completion of the program, learners will be able to:

• Explain the fundamental principles and purpose of ventilation systems.

• Differentiate between natural and mechanical ventilation.

• Explain the relationship between ventilation and indoor air quality.

• Identify common sources of indoor contaminants that ventilation can help control.

• Explain basic fresh-air supply and exhaust-air principles.

• Describe supply, return, fresh-air, and exhaust-air arrangements.

• Explain basic ventilation rates and air-change concepts.

• Understand building pressure relationships and their effect on airflow.

• Identify suitable ventilation approaches for residential and commercial spaces.

• Identify ventilation requirements for bathrooms, kitchens, parking areas, basements, warehouses, and mechanical rooms.

• Understand basic ventilation considerations for industrial and specialist applications.

• Explain the purpose of smoke extraction and smoke-control systems at a basic awareness level.

• Identify major ventilation system components.

• Identify axial, centrifugal, inline, and exhaust fans.

• Explain the functions of fan motors, drives, and variable-speed controls.

• Identify common ductwork types and fittings.

• Explain the purpose of elbows, branches, reducers, transitions, and flexible connections.

• Identify dampers, actuators, louvers, grilles, diffusers, and filters.

• Explain the basic purpose of fire and smoke dampers.

• Identify access panels, vibration isolators, acoustic components, and duct-insulation systems.

• Read and interpret basic ventilation drawings and MEP layouts.

• Identify ventilation equipment, ducts, air terminals, and airflow routes from drawings.

• Plan basic ventilation system layouts.

• Calculate basic airflow requirements for simple applications.

• Calculate basic air-change requirements.

• Understand basic air velocity and pressure relationships.

• Apply basic duct-sizing principles.

• Understand factors affecting duct pressure loss.

• Understand basic fan selection principles.

• Identify factors affecting fan capacity and system resistance.

• Understand basic fresh-air and exhaust-air equipment sizing considerations.

• Estimate basic quantities of ventilation ducts, fittings, fans, grilles, diffusers, and accessories.

• Plan ventilation installation sequences and access requirements.

• Install or coordinate ductwork according to approved layouts and specifications.

• Install appropriate duct supports, hangers, and flexible connections.

• Install fans, dampers, filters, grilles, and diffusers using suitable methods.

• Maintain appropriate airflow paths and equipment clearances.

• Apply basic duct insulation and vapour-barrier practices where required.

• Inspect duct connections and identify visible signs of leakage or damage.

• Conduct basic airflow measurements using suitable instruments.

• Measure differential pressure across appropriate system components.

• Monitor temperature and humidity conditions relevant to ventilation performance.

• Understand basic CO₂ monitoring as an indicator of ventilation conditions.

• Support ventilation system testing and commissioning.

• Understand basic air-balancing procedures and the importance of correct airflow distribution.

• Conduct routine inspections of ventilation fans and associated motors.

• Inspect belts, bearings, shafts, couplings, and other mechanical components.

• Clean and maintain filters and air-handling components.

• Inspect and clean accessible ducts, grilles, diffusers, and louvers.

• Inspect dampers and actuators for proper condition and operation.

• Monitor fans and equipment for excessive vibration and abnormal noise.

• Inspect ventilation controls, sensors, and variable-speed drives.

• Diagnose basic low-airflow and excessive-airflow problems.

• Identify possible causes of high system resistance and pressure loss.

• Diagnose basic fan, motor, and drive faults.

• Identify filter blockage and contamination problems.

• Identify duct leakage and disconnected-duct conditions.

• Diagnose damper and actuator problems.

• Investigate abnormal noise and vibration in ventilation equipment.

• Investigate basic odour, stale-air, and indoor-air-quality complaints.

• Identify condensation and moisture-related ventilation problems.

• Diagnose basic control and sensor faults.

• Apply preventive maintenance procedures to ventilation systems.

• Develop basic daily, monthly, and periodic ventilation inspection schedules.

• Identify maintenance requirements based on equipment condition and operating performance.

• Identify opportunities to improve ventilation energy efficiency.

• Explain the benefits of variable-speed fans and demand-controlled ventilation.

• Understand basic heat-recovery ventilation concepts.

• Balance ventilation performance with energy-efficiency objectives.

• Maintain ventilation inspection, maintenance, and commissioning records.

• Prepare basic ventilation service and performance reports.

• Coordinate ventilation activities with HVAC, electrical, architectural, plumbing, fire-safety, and other building-services teams.

• Apply appropriate electrical and mechanical safety procedures.

• Follow safe working-at-height procedures when accessing elevated ventilation equipment and ductwork.

• Apply suitable precautions when working in enclosed or restricted areas.

• Use appropriate personal protective equipment.

• Maintain clean, organized, and safe ventilation work areas.

• Complete ventilation design-support, installation, maintenance, and troubleshooting activities in accordance with approved drawings, specifications, equipment requirements, manufacturer guidance, indoor-air-quality objectives, safety requirements, and professional HVAC practices.