HVAC Technician Training

Lesson 1 • Workplace Safety Fundamentals

Covers personal protective equipment, lockout/tagout procedures, and hazard recognition. Safety compliance is the prerequisite for all hands-on lab work.

Lesson 2 • Tools and Test Instruments

Identifies hand tools, power tools, and diagnostic instruments used daily by HVAC technicians. Proper tool selection reduces errors and improves job efficiency.

Lesson 3 • Career Paths and Industry Roles

Maps the HVAC workforce structure from entry-level technician to project engineer. Helps students set professional goals aligned with industry demand.

Lesson 4 • Overview of HVAC Systems

Introduces heating, ventilation, and air conditioning system categories and their functions. Provides the baseline vocabulary needed throughout the entire course.

Lesson 1 • Refrigeration Cycle Thermodynamics

Applies thermodynamic principles to the vapour-compression refrigeration cycle. Students can trace refrigerant state changes through each system component.

Lesson 2 • Laws of Thermodynamics

Explains the first and second laws of thermodynamics in practical HVAC contexts. These laws govern every heating and cooling process a technician encounters.

Lesson 3 • Properties of Air and Moisture

Introduces psychrometrics, including dry-bulb, wet-bulb, dew point, and relative humidity. Accurate air property readings are essential for system design and troubleshooting.

Lesson 4 • Building Heat Load Concepts

Introduces manual load calculation methods for estimating heating and cooling requirements. Accurate load estimates prevent oversized or undersized equipment installations.

Lesson 1 • Reading HVAC Wiring Diagrams

Teaches schematic, ladder, and pictorial diagram interpretation for HVAC equipment. Diagram literacy is the most critical skill for efficient electrical troubleshooting.

Lesson 2 • Motors and Motor Controls

Covers single-phase and three-phase motor types, capacitors, and variable-frequency drives. Motors represent the highest-cost electrical component in most HVAC systems.

Lesson 3 • Electrical Fundamentals Review

Reviews voltage, current, resistance, and power relationships as applied to HVAC circuits. Electrical theory is the foundation for every diagnostic and wiring task in the field.

Lesson 4 • Control Circuits and Thermostat Wiring

Covers 24-volt control circuits, thermostat terminal designations, and low-voltage wiring. Correct control wiring ensures proper system sequencing and prevents component damage.

Lesson 1 • System Charging and Performance Verification

Teaches manifold gauge use, charging by weight and superheat, and performance benchmarking. Correct charge levels are the single largest factor in system efficiency and longevity.

Lesson 2 • Compressor Types and Operation

Examines reciprocating, scroll, rotary, and screw compressor designs and their operating characteristics. Compressor selection affects system efficiency, noise, and maintenance intervals.

Lesson 3 • Refrigerant Handling and Recovery

Teaches certified recovery procedures, cylinder handling, and leak detection methods. Technicians must meet refrigerant handling certification requirements before field work.

Lesson 4 • Refrigerant Classification and Properties

Covers refrigerant numbering, safety groups, global warming potential, and phase-out schedules. Proper refrigerant selection is critical for regulatory compliance and system efficiency.

Lesson 1 • Oil and Electric Heating Systems

Introduces oil burner operation, nozzle sizing, and electric resistance heating elements. Technicians must service multiple fuel types to remain competitive in the field.

Lesson 2 • Gas Furnace Installation and Venting

Covers furnace sizing, ductwork connections, gas piping, and venting system requirements. Improper venting is a leading cause of carbon monoxide hazards in occupied buildings.

Lesson 3 • Gas Furnace Fundamentals

Explains combustion principles, heat exchanger design, and burner operation in gas furnaces. Gas furnaces remain the most common heating appliance technicians service.

Lesson 4 • Heating System Troubleshooting

Applies systematic diagnostic methods to no-heat, short-cycling, and efficiency complaints. Structured troubleshooting reduces diagnostic time and repeat service calls.

Lesson 1 • Split System Installation Procedures

Covers equipment placement, line set installation, evacuation, and initial charge verification. Correct installation procedures prevent premature compressor failure and warranty issues.

Lesson 2 • Packaged and Rooftop Units

Covers packaged unit configurations, rooftop curb installation, and ductwork connections. Rooftop units dominate commercial applications and require distinct service skills.

Lesson 3 • Ductless Mini-Split Systems

Introduces single-zone and multi-zone ductless systems, including inverter compressor technology. Mini-splits are the fastest-growing segment of the residential cooling market.

Lesson 4 • Air Conditioning System Troubleshooting

Applies pressure-temperature analysis and electrical diagnostics to common cooling faults. Systematic diagnosis reduces refrigerant waste and improves first-call resolution rates.

Lesson 1 • Duct System Design Principles

Covers equal-friction and velocity reduction duct design methods and duct sizing tables. Proper duct design is essential for achieving rated equipment capacity and efficiency.

Lesson 2 • System Balancing and Commissioning

Applies test-and-balance procedures to achieve design airflow at every register and grille. Balanced systems reduce energy use, noise complaints, and hot or cold spot callbacks.

Lesson 3 • Duct Materials and Fabrication

Introduces sheet metal, flexible, and fibreglass duct materials along with sealing requirements. Material selection and sealing quality directly affect system efficiency and indoor air quality.

Lesson 4 • Airflow Measurement and Testing

Teaches pitot tube traversal, flow hood, and anemometer methods for measuring airflow. Accurate airflow data is required for system balancing and commissioning reports.

Lesson 1 • Building Automation System Integration

Explains BACnet, Modbus, and LonWorks communication protocols for system integration. Protocol knowledge enables technicians to connect equipment from multiple manufacturers.

Lesson 2 • Variable Air Volume Systems

Covers VAV box operation, pressure-independent controls, and duct static pressure reset. VAV systems are the dominant commercial air distribution strategy for energy efficiency.

Lesson 3 • Energy Management and Optimisation

Covers demand limiting, optimal start/stop, and energy dashboards for building performance. Energy management strategies reduce operating costs and support sustainability goals.

Lesson 4 • Direct Digital Control Fundamentals

Introduces DDC controllers, input/output points, and control sequences for commercial HVAC. DDC systems enable precise control and remote monitoring of large building systems.