Level 1: Common Core

The Level 1 Common Core curriculum establishes the foundational knowledge and hands-on skills required for all Refrigeration & Air Conditioning apprentices. These units are shared across both the Residential (313A) and Commercial/Industrial (313D) pathways and align with Red Seal standards.

• Unit 1: Workplace Safety & Equipment Management ›
  • S1: Safety & Trade Practices ›
    • 1.00 General Learning Outcomes
    • 1.01 Codes & Regulations
    • 1.02 OHSA
    • 1.03 Hazardous Materials
    • 1.04 Workplace Hazards
    • 1.05 PPE
    • 1.06 Recognize & Control
    • 1.07 LOTO
  • S2: Tools & Equipment ›
    • 2.00 General Learning Outcomes
    • 2.01 Hand Tools
    • 2.02 Power Tools
    • 2.03 Diagnostic & Measurement
    • 2.04 Levelling Tools
    • 2.05 Specialty Equipment
  • S3: Access Equipment ›
    • 3.00 General Learning Outcomes
    • 3.01 Codes & Regulations
    • 3.02 Hazard Identification
    • 3.03 Types of Access Equipment
    • 3.04 Inspection, Storage & Maintenance
    • 3.05 Storage
    • 3.06 Selecting Access Equipment
    • 3.07 Drawings & Specifications
  • S4: Hoisting, Lifting & Rigging ›
    • 4.00 General Learning Outcomes
    • 4.01 Hazard Identification
    • 4.02 Hoisting & Lifting Equipment
    • 4.03 Rigging Equipment
    • 4.04 Load Rigging Factors
    • 4.05 Inspection
    • 4.06 Rigging & Securing a Load
    • 4.07 Performing a Basic Lift
    • 4.08 Storage & Maintenance
    • 4.09 Communication Methods
  • S5: Communication & Mentoring ›
    • 5.00 General Learning Outcomes
    • 5.01 Your Individual Experience
    • 5.02 Partners in Apprenticeship
    • 5.03 Learning Needs & Strategies
    • 5.04 Positive & Inclusive Culture
    • 5.05 Documentation & Forms
    • 5.06 Professionalism
    • 5.07 Strategies for Learning Skills
    • 5.08 Soft Skills in the Workplace
• Unit 2: Introduction to Refrigerants & Handling Practices ›
  • S1: Refrigerants, Gases & Oils ›
    • 1.00 General Learning Outcomes
    • 1.01 Refrigerants, Gases, & Oils
    • 1.02 Types of Refrigerants
    • 1.03 Types of Gases in HVAC
    • 1.04 Refrigerant Oils & Lubricants
    • 1.05 Refrigerant & Refrigerant Oil
  • S2: Leak Testing, Evacuation & Charging ›
    • 2.00 General Learning Outcomes
    • 2.01 Terminology, Hazards & Codes
    • 2.02 Testing, Evacuation & Charging
    • 2.03 Gases & Liquids for Pressure Tests
    • 2.04 Evacuation & Dehydration
    • 2.05 System Charge
• Unit 3: Refrigeration System Fundamentals & Maintenance ›
  • S1: Fundamental Concepts ›
    • 1.00 General Learning Outcomes
    • 1.01 HVAC/R Terms
  • S2: Phase Transition of Water ›
    • 2.00 General Learning Outcomes
    • 2.01 Water is an Energy Carrier
    • 2.03 Phase-Change Road Map
    • 2.04 HVAC Numbers You Need to Know
    • 2.05 Condensation
  • S3: Pressure & Temperature Relationship ›
    • 3.00 General Learning Outcomes
    • 3.01 Gas Laws
    • 3.02 Pressure/Temperature Charts
  • S4: Vapour Compression Cycle ›
    • 4.00 General Learning Outcomes
    • 4.01 Temperature Ranges
    • 4.02 Fundamental Processes in the Cycle
    • 4.03 Components of the Cycle
    • 4.04 Superheat & Subcooling
    • 4.05 Heat Pumps
  • S5: Pressure–Enthalpy Diagram ›
    • 5.00 General Learning Outcomes
    • 5.01 Pressure-Enthalpy Diagram
    • 5.02 Plotting the Basic Cycle
    • 5.03 System Capacity & Performance
  • S6: Introduction to System Maintenance ›
    • 6.00 General Learning Outcomes
    • 6.01 Terminology & Tools
    • 6.02 Operating Efficiency
    • 6.03 Electrical Efficiency
    • 6.04 Additional Service Requirements
    • 6.05 Defects, Causes & Repair
    • 6.06 Basic Maintenance & Operational Checks
    • 6.07 Predictive & Scheduled Maintenance
• Unit 4: Electrical Fundamentals ›
  • S1: Introduction to Electrical ›
    • 1.00 General Learning Outcomes
    • 1.01 Electrical Quantities
    • 1.02 Circuit Components
    • 1.03 Circuits, Panels & Protection
    • 1.04 Relays, Switches & Transformers
    • 1.05 Wiring Diagrams & Troubleshooting
    • 1.06 Calculating & Measuring
    • 1.07 Electronic Controls & Sensors
  • S2: Introduction to Motors ›
    • 2.00 General Learning Outcomes
    • 2.01 Fundamentals of Motors
    • 2.02 Single-Phase Motors
    • 2.03 Motor Nameplate
    • 2.04 Single-Phase Motor Operation
    • 2.05 Types of Motors
    • 2.06 Capacitors
    • 2.07 Overload Protection
    • 2.08 Common Motor Failures
    • 2.09 Installation & Commissioning
    • 2.10 Summary & Conclusion
  • S3: Control Fundamentals ›
    • 3.00 General Learning Outcomes
    • 3.01 Terminology of Drawings
    • 3.02 Control Systems & Devices
• Unit 5: Pressure Testing, Tubing & Piping ›
  • S1: Piping, Tubing, Soldering & Brazing ›
    • 1.00 General Learning Outcomes
    • 1.01 Terminology
    • 1.02 Tools, Piping Materials & Drawings
    • 1.03 Air-Fuel
    • 1.04 Oxy-Fuel
    • 1.05 Soldering
    • 1.06 Brazing
    • 1.07 Insulation, Sealants & Supports
    • 1.08 Selecting Components
    • 1.09 Installation of Piping Systems
  • S2: Refrigeration & AC Installation ›
    • 2.00 General Learning Outcomes
    • 2.01 Preparation
    • 2.03 Installation Factors
    • 2.04 Modifications & Field Changes
    • 2.05 Installation Documentation
    • 2.06 System Start-Up
    • 2.07 Introduction to Commissioning
• Unit 6: Refrigeration System Components ›
  • S1: Compressors ›
    • 1.00 General Learning Outcomes
    • 1.01 Compressors Terminology
    • 1.02 Hazards & Safe Work Practices
    • 1.03 Vapour Compression Cycle
    • 1.04 Compressor's Critical Functions
    • 1.05 Types of Compressors
    • 1.06 Compressor Components
    • 1.07 Methods of Compressor Lubrication
    • 1.08 Methods of Compressor Cooling
    • 1.09 Common Compressor Failures
  • S2: Valves & Accessory Devices ›
    • 2.00 General Learning Outcomes
    • 2.01 Types of Valves
    • 2.02 Types of Accessory Devices
    • 2.03 Common Failures