Browse all courses (A–Z)
- A2L Refrigerant Procedures
- A2L Refrigerants Introduction
- A3 Flammable Refrigerant Safety
- AC Motor (Single Phase) Troubleshooting
- AC Motor (Three-Phase) Maintenance
- AC Motor (Three-Phase) Troubleshooting
- AC Motor Lab
- AC Motor Nameplates and Wiring
- AC Motors Introduction
- AC Power
- AC System Tools - Pressure and Refrigerant Basics
- Active Shooter Response
- Actuators Introduction
- Adjusting Tire Pressure
- Advanced Rigging
- Aftermarket Motors
- Aftermarket Parts
- Aggressive Driving
- Air-Source Heat Pump Introduction
- Airflow Testing Procedures
- Alternating Current (AC) Theory and Power Analysis
- Ampacity and Wire Sizing
- Applying Electrical Laws and Theories
- Array Assembly Installation
- Asbestos Awareness
- Assessing Wind Forces
- Automated Storage and Retrieval Systems (ASRS) Introduction
- Automatic Flushometer Retrofit (Diaphragm)
- Automatic Flushometer Troubleshooting (Diaphragm)
- Automatic Return and Sensor-based Control
- Automation Introduction
- Avoiding Callbacks
- Back Safety and Injury Prevention
- Basic Construction for Trades
- Basic Electricity and Circuit Fundamentals
- Basic Entertainment Rigging and Inspection
- Basic HVAC Tools
- Basic PLC Troubleshooting
- Basic Plumbing Tools
- Basic Pool Mechanics
- Basic Rigging and Inspection
- Basic Rigging and Inspection - Spanish
- Basics of Electrical Retrofitting
- Bearing Failure Inspection
- Bearings Introduction
- Bearings Overview
- Becoming an Electrician
- Bloodborne Pathogens Awareness
- Brazing with a Nitrogen Purge
- Building Automation Systems (BAS) Direct Digital Controls
- Building Automation Systems (BAS) Introduction
- Building Automation Systems (BAS) Maintenance
- Building DC Circuits
- Building DC Combination Circuits
- Built-in Cooking Overview
- Bull Rigging
- Calculating Sling Tension
- Carpentry Basics
- Cast Iron Pipe Joining Methods Lab
- Caulking and Sealing
- Centrifugal Chiller Maintenance
- Centrifugal Chiller Startup and Recovery
- Centrifugal Pump Repair
- Certified Pool Operator (CPO) Training & Certification
- Charging Part 1: Tools and Rules
- Charging Part 2: Subcooling and Superheat
- Chemical Safety
- Chiller Systems
- Chiller Troubleshooting
- Chiller Unit Components
- Cleaning Basics
- Cleaning Chemicals and Safety
- Closet Flange and Toilet Installation
- Cold Climate Heat Pump Retrofit
- Cold Stress Recognition and Prevention
- Combustion Analysis
- Combustion Analysis - Gas Boiler
- Combustion Analysis - High Efficiency Furnace
- Combustion Analyzer Introduction
- Comfort and Airflow
- Comfort and Humidity
- Commercial A/C Troubleshooting (3 Phase Compressor)
- Commercial Boilers Introduction
- Commercial Electrical Transformer Installation
- Commercial Garage Door Maintenance
- Commercial Garage Doors Introduction
- Commercial Generator Run Testing
- Commercial HVAC Welcome Assessment
- Commercial Kitchen Exhaust Fan Maintenance and Repair
- Commercial Lamp Replacement and Recycling
- Commercial Plumbing Introduction
- Commercial Single-Line Diagrams
- Commercial Water Filtration Systems
- Commercial Water Heater Introduction
- Commercial Wiring Troubleshooting
- Common HVAC Formulas
- Compressor Starting Relays and Capacitors
- Compressors
- Condition Monitoring Equipment
- Configuration of PLC Devices
- Confined Space Awareness
- Contactors and Motor Starters
- Contactors and Motor Starters
- Contamination Fundamentals
- Control Relays and Memory Control
- Controlling Your Speed
- Conveyor Systems Introduction
- Copper Pipe Joining Methods Lab
- Corrosion Fundamentals
- CRAC and CRAH Systems Introduction
- CRAC Unit Troubleshooting
- Critical Infrastructure Introduction
- Custom Air Handling Unit Preventative & Service Maintenance Assessment
- Custom Air Handling Unit Preventive & Service Maintenance
- Customer Service for Trades
- Data Center Cooling Infrastructure
- Data Center Cooling Infrastructure Maintenance
- Data Center Facility Security
- Data Center Introduction
- Data Center Network Infrastructure
- Data Center Power Infrastructure
- Data Center Power Infrastructure Maintenance
- Data Center Safety and Security
- DC Motor (Brushed) Maintenance
- DC Motor (Brushed) Troubleshooting
- DC Motor Control Introduction
- DC Motor Control Troubleshooting
- DC Motors Introduction
- Dealing with Difficult Customers
- Desk Grommet Installation
- Diagnosing A/C Systems
- Diagnosing Circuits: 3-Way Lighting
- Diagnosing Circuits: Simple Lighting & Receptacles
- Diagnosing Compressor Problems
- Disc Brake Inspection and Maintenance
- Discrimination and Harassment in the Workplace
- Dishwasher Troubleshooting
- Dishwasher Troubleshooting Guide
- Dishwashers Overview
- Distracted Driving
- Diversity, Equity, and Inclusion
- Drain Cleaning Introduction and Equipment Types
- Drain Cleaning Overview
- Drain Cleaning Procedures
- Drains
- Drifting a Load
- Ductwork Fabrication and Installation Overview
- Effective Communication in the Workplace
- Electric Dryer Diagnostics
- Electric Dryer Troubleshooting Guide
- Electric Forklift Maintenance
- Electric Furnace Troubleshooting
- Electric Motors
- Electric Pallet Jack Inspection and Maintenance
- Electric Pallet Jack Introduction
- Electric Range Troubleshooting
- Electric Range Troubleshooting Guide
- Electric Water Heater Operation
- Electric Water Heater Troubleshooting
- Electric Water Heater Troubleshooting Guide
- Electrical Commissioning
- Electrical Devices
- Electrical Drawings
- Electrical Installation
- Electrical Panels: Components and Safety
- Electrical Protective Devices
- Electrical Safety
- Electrical Safety - NFPA70-E
- Electrical Safety Assessment & Hazard Recognition: Commercial Jobsite
- Electrical Safety Assessment & Hazard Recognition: Construction Jobsite
- Electrical Safety for Industrial Maintenance
- Electrical Tools
- Electrical Transformer Load Calculations
- Electrical Welcome Assessment
- Electrically Safe to Work Procedures
- Emergency Power Introduction
- Emergency Response
- EMT Conduit Bending
- EMT Installation: Boxes and Conduit
- Encoders Introduction
- Energy Management Introduction
- Engineering Principles for Rigging and Load Handling Activities
- EPA Section 608 Certification
- EPA Section 608 Prep Course: Chart Applications & Test Prep
- EPA Section 608 Prep Course: Core
- EPA Section 608 Prep Course: Type I
- EPA Section 608 Prep Course: Type II
- EPA Section 608 Prep Course: Type III
- Equipment Spotter
- Equipment Spotter (2026)
- Essential Hand Tools for Facilities Maintenance
- Essential Math for Industrial Maintenance
- Estimating Load Weight and Center of Gravity
- Evaporators and Condensers
- Exam: Overhead Crane Inspector - Bridge
- Exam: Overhead Crane Inspector - Jib
- Exam: Overhead Crane Inspector - Monorail
- Exterior Finishing Roofs: Asphalt Shingles
- Exterior Finishing Walls: Vinyl Siding
- Exterior Finishing: Decks
- Exterior Maintenance Introduction
- Facilities Maintenance Introduction
- Facilities Maintenance Welcome Assessment
- Fall HVAC Maintenance Procedures
- Fan Coil Unit Troubleshooting
- Fasteners, Fastening Methods, and Torque Principles
- Fatigue Management
- Faucet Repairs
- Field Leadership Basics
- Field Leadership Essentials
- Field Leadership Essentials (2026)
- Field Safety Guide for TriLifter Operations
- Fire Alarm System Installation
- Fire Sprinkler Systems
- Fittings and Valves
- Fluid Cooler Preventive Maintenance
- Fluid Cooler Seasonal Maintenance
- Forces in Bridle Slings
- Forces in Spreader Systems
- Forklift Operator Certification
- Foundations of PV
- Framing: A Trussed Rafter Roof
- Framing: Exterior Walls, Windows, and Doors
- Framing: Floors
- Fundamental Electrical Concepts
- Garbage Disposal Troubleshooting
- Gas Boiler Troubleshooting
- Gas Furnace Commissioning Overview
- Gas Furnace Troubleshooting
- Gas Rooftop Refrigeration Troubleshooting
- Gas Water Heater Operation
- Gas Water Heater Troubleshooting
- Gas Water Heater Troubleshooting Guide
- Generators and Transformers
- Geometry for Industrial Maintenance
- Geothermal Heat Pump Introduction
- Getting Started with Category 1 Boilers
- Getting Started with Flushometers
- Gravity Conveyor Maintenance and Repair
- Grease Lubrication Maintenance
- Ground Conditions and Mobile Equipment Support
- Ground Conditions and Outrigger Equipment Support
- Ground Conditions and Tracked Equipment Support
- Grounding and Bonding
- Hand and Power Tool Safety
- Hand and Power Tools for Electrical Work
- Hand Tools for Plumbing Work
- Hand Washing for Food Production Workers
- Handwashing for Food Production Workers
- Hangers and Supports
- Hazard Communications
- Hazard Identification and Risk Assessment
- Hazardous Driving Conditions
- Heat Pump Troubleshooting (Residential)
- Heat Stress Recognition and Prevention
- Heating and Cooling Load Calculations
- High Efficiency Boiler Troubleshooting
- Hot Work
- How Does Plumbing Work?
- How to Use a Multimeter
- Human Machine Interface (HMI) Introduction
- HVAC Cooling Components
- HVAC Ducting and Airflow
- HVAC Heating Components
- HVAC Maintenance
- HVAC Motors
- HVAC Safety Basics
- HVAC Supplies
- HVAC System Parts
- HVAC Systems
- HVAC Technicians
- HVAC Welcome Assessment
- Hydraulic Troubleshooting
- Incident Management
- Industrial Control Panel Schematics
- Industrial Control Systems
- Industrial Electrical Control Panels
- Industrial Factory Exhaust Fan Maintenance and Repair
- Industrial Lubricants and Lubrication Introduction
- Industrial Maintenance Welcome Assessment
- Industrial Materials Introduction
- Industrial Piping Systems Introduction
- Industrial Piping Systems Introduction
- Industrial Pumps Introduction
- Interior Finish and Trim
- Interior Finishing Floors: VCT Tile and Sheet Vinyl
- Interior Finishing: Drywall
- Interplay Learning Navigation Guide
- Interpreting Fluid Power Symbols: Hydraulics
- Interpreting Fluid Power Symbols: Pneumatics
- Intro to Chillers
- Intro to Commercial and Light Commercial Equipment
- Intro to Electrical Code
- Intro to Fire Safety and Portable Fire Extinguishers
- Intro to Heat Pumps
- Intro to HVAC Mechanical Code Regulations
- Intro to Washers and Dryers
- Introduction to Arc Welding
- Introduction to Cold Climate Heat Pumps
- Introduction to Combustion
- Introduction to Commercial Air Handling Units
- Introduction to Commercial HVAC Systems
- Introduction to Commercial Lighting & Devices
- Introduction to Commercial Plumbing Systems
- Introduction to Commercial Refrigeration Systems
- Introduction to Commercial Transformers
- Introduction to DWV Systems
- Introduction to Electrical Circuits
- Introduction to Electrical Systems
- Introduction to Exhaust Fans
- Introduction to Fan Coil Units
- Introduction to Fire Alarm Systems
- Introduction to Fluid Cooling Towers
- Introduction to Food Allergens
- Introduction to HVAC Smart Tools
- Introduction to Hydraulics
- Introduction to Life Safety Systems
- Introduction to Mobile Cranes
- Introduction to Natural Gas and Liquid Propane Gas Piping Systems
- Introduction to PLCs
- Introduction to Pumps
- Introduction to Rack Refrigeration Systems
- Introduction to Refrigeration Systems
- Introduction to Rigging and Crane Communications
- Introduction to Smart Thermostats
- Introduction to the NEC: Wiring and Protection
- Introduction to Utility Solar
- Introduction to Walk-In Freezers
- Introduction to Wastewater Treatment
- Introduction to Water Heaters
- Job Site Supervision
- Kitchen Sink Installation
- Kitchen Sink Troubleshooting
- Kitchen Ventilation Overview
- Knots, Hitches, and Tagline Techniques for Safe Load Handling
- Lab Safety Awareness
- Laboratory Biosafety
- Ladder and Fall Safety (Electrical)
- Ladder and Fall Safety (HVAC)
- Ladder Safety
- Landscaping Basics
- Laser Safety
- Lead-Based Paint Safety and Awareness
- Leak Check and Evacuation
- Leak, Evacuation, and Charging
- Lift Planning Procedure, Considerations and Execution
- Light Commercial Electrical: Apartment Facilities Maintenance
- Liquid Nitrogen Safety
- Load Chart Practice Problems - Lattice Boom
- Load Chart Practice Problems - Telescopic Boom Fixed Cab
- Load Chart Practice Problems - Telescopic Boom Swing Cab
- Load Distribution Beneath Mobile Cranes
- Load Drifting Principles
- Load Handling Safety
- Load Handling with Jacks and Rollers
- Load Handling with Winches and Blocks
- Load Turning Techniques
- Loading Dock Safety and Maintenance
- Loading Docks Introduction
- Lockout Tagout Program
- Lockout/Tagout
- Lockout/Tagout Awareness
- Logical Control and Latching Signals
- Low GWP Refrigerant
- Machine Guarding
- Magnetism and Electromagnetism Basics
- Maintaining a Professional Image
- Make Ready
- Managing a Successful Team
- Manual D Calculations
- Manual Flushometer Troubleshooting (Diaphragm)
- Manual J Calculations
- Material Handling Equipment Introduction
- Material Handling: Dollies, Hand Trucks, and Pallet Jacks
- Math for Electricians
- Math Primer for the Construction and Industrial Workforce
- Mechanical Commissioning
- Mechanical Door Lock Introduction
- Mechanics Introduction
- Metals Introduction
- Metering Devices
- Meters, Switches, Loads, & Circuits
- Microwaves Overview
- Mini Split Troubleshooting
- Mobile and Overhead Crane Signals - Spanish
- Mobile Crane and Site Setup
- Mobile Crane Load Charts
- Mobile Crane Maintenance
- Mobile Crane Operator Evaluator
- Mobile Crane Safety
- Mold Awareness
- Motor Control and Schematics
- Motor Control Introduction
- Motor Sizing Introduction
- Mounting Wall Fixtures
- Multi-Family Maintenance Welcome Assessment
- Multi-Wire Circuits
- Multiple Motor Control Systems
- NATE Ready-to-Work Exam Prep
- NCCCO Articulating Boom Crane Operator Test Prep
- NCCCO Mobile Crane Operator Test Prep
- NCCCO Rigger Level I & II Test Prep
- NCCCO Rigger Level I Test Prep
- NCCCO Signalperson Certification Test Prep
- NEC Code Changes - 2023
- NEC Commissioning: Rough-in Inspection
- NEC: Wiring Methods and Materials
- NFPA 110: Standards for Emergency Power
- NSPIRE Inspections Explained
- Office Ergonomics
- Oil Lubrication Maintenance
- Operating and Maintaining Hydraulic Systems
- Operating and Maintaining Pneumatic Systems
- OSHA 10-Hour Construction Industry (English)
- OSHA 10-Hour Construction Industry (Spanish)
- OSHA 10-Hour General Industry (English)
- OSHA 10-Hour General Industry (Spanish)
- OSHA 30-Hour Construction Industry (English)
- OSHA 30-Hour Construction Industry (Spanish)
- Overhead Crane Circuits and Connections Fundamentals
- Overhead Crane Electric Motor Fundamentals
- Overhead Crane Electronic Fundamentals
- Overhead Crane Encoder Fundamentals
- Overhead Crane Inspector
- Overhead Crane Technician - Bridge Crane Troubleshooting
- Overhead Crane Variable Frequency Drive Fundamentals
- Packaged Refrigeration Unit Basics
- Packaged Refrigeration Unit Maintenance
- Packaged Refrigeration Unit Troubleshooting
- Packaged Terminal Air Conditioner (PTAC) Maintenance
- Packaged Terminal Air Conditioner (PTAC) Troubleshooting
- Painting Basics
- Pallet Racking System Inspection
- Pallet Racking Systems Introduction
- Performing a Tire Rotation
- Performing an Oil Change
- Personal Protective Equipment (PPE)
- Personal Protective Equipment for Commercial Use
- PEX Pipe Joining Methods Lab
- Phone Skills for Trades
- Pipe Repair Procedures - Cast Iron
- Pipe Repair Procedures - Metallic Piping
- Pipe Repair Procedures - Metallic Piping - ZA
- Pipe Repair Procedures - Plastic Piping
- Piping Systems for Hydronic Heating
- Plastic Joining Methods
- PLC Inspection and Maintenance
- PLC Programming Introduction
- Plumbing Code Overview
- Plumbing Demolition
- Plumbing Fixtures Installation
- Plumbing Fixtures Overview
- Plumbing Maintenance
- Plumbing Materials Overview
- Plumbing Safety
- Plumbing Welcome Assessment
- Pneumatic Actuators and Control Valves
- Pneumatic Building Automation Systems (BAS) Introduction
- Pneumatic Compressors and Air Treatment
- Pneumatic Piping and Distribution
- Pneumatics Introduction
- Pneumatics Troubleshooting
- Pool Water Chemistry and Balancing
- Powder-Actuated Tools Overview
- Power Distribution, Delta, and Wye Systems
- Power Grid Introduction
- Power Tools for Plumbing Work
- Power Transmission Introduction
- Powered Industrial Trucks (PIT) Introduction
- Practical Geometry for Plumbing
- Practical Measurement for the Trades
- Pre-trip Vehicle Inspection
- Precision Measurement for Mechanical Systems
- Preventing Slips, Trips, and Falls
- Preventive Maintenance: Concepts and Philosophies
- Preventive Maintenance: Evaluations, Audits, and Continuous Improvement
- Preventive Maintenance: Execution and Scheduling
- Preventive Maintenance: Planning and Documentation
- Principles of Backflow
- Protecting Your Hearing at Work
- Psychrometrics
- Rack Refrigeration System and Case Troubleshooting
- Radiation Safety
- Ranges Overview
- Reading Plumbing Plans
- Reading Schematics and Drawings
- Receptacle Replacement
- Reciprocating Chiller Startup and Recovery
- Refrigerants Overview
- Refrigeration System Accessories
- Refrigerator Troubleshooting
- Refrigerator Troubleshooting Guide
- Refrigerators Overview
- Repairing Drywall
- Replacing Carpet Tile
- Replacing Ceiling Tiles
- Residential A/C Troubleshooting
- Residential Ducted A/C and Heat Pump Installation
- Residential Generator Installation
- Residential HVAC Controls
- Residential Hydronic Heating Systems Introduction
- Residential Plumbing Introduction
- Residential PVC/ABS Pipe Joining Methods Lab
- Residential Split A/C System Commissioning
- Respiratory Protection for HVAC/R Technicians
- Restroom Cleaning
- Reversing Controls
- Rigging & Load Handling Equipment Engineering & Applications
- Rigging Gear and Hardware Inspection
- Rigging Inspection Hardware and Slings
- Rigging Methods
- Rigging Selection
- Rigging Selection and Assessment
- Rigging Slings Inspection
- Robotics Introduction
- Roofing Safety
- Rooftop Unit Maintenance
- Rooftop Unit Troubleshooting
- Scissor Lift Safety
- SEER Ratings & AHRI Matchups
- SEER2 & Energy Efficiency
- Selecting and Sizing a VFD
- Sensors Introduction
- Sequence Control and Stepper Control
- Severe Weather Effects on Crane Operations
- Sexual Harassment Prevention in the Workplace
- Signal Person Basics
- Signaling for Mobile and Overhead Cranes
- Signaling for Mobile Cranes
- Signaling for Overhead Cranes
- Signaling for Tower Cranes
- Site Assessment
- Solar Basics
- Solar Cell Technology
- Solar Electrical Installation
- Solar Inverter Technology
- Solar Module Design
- Solar Sales Professional
- Solar System Troubleshooting
- Solar Welcome Assessment
- Solenoid Valve Troubleshooting
- Solenoid Valves and Pilot Control
- Solid State Electronics
- Sortation Systems Introduction
- Specialized Transport Planning and Engineering Considerations
- Split A/C Troubleshooting Guide
- Standards & Regulations for Load Handling Equipment
- Steel Pipe Joining Methods Lab
- Structural Systems and Building Envelopes
- Suspended Personnel Platform Trained User
- Symbols and Wiring Diagrams
- Systematic Troubleshooting with PLCs
- Tankless Retrofit
- Tankless Water Heater Maintenance
- Tankless Water Heater Troubleshooting
- Temperature, Pressure, and Heat
- The IV Curve
- Thermostats and Heating Controls
- Three and Four-Way Wiring and Installation
- Three-Phase Motors and VFD Troubleshooting
- Toilet Shims
- Toilet Troubleshooting and Replacement
- Tow Tractor Introduction
- Tow Tractor Maintenance
- Tower Crane Basics
- Towing a Trailer
- Trades Math (Electrical)
- Trades Math (HVAC)
- Trained Rigging Gear Inspector Level I
- Transmission Service
- Transportation of Dangerous Goods
- Troubleshooting Basic Circuits
- Troubleshooting Methodology
- Troubleshooting Motors
- Troubleshooting Using Electrical Diagrams
- Tub Drain and Seal Repair
- Tubular and Fixture Trim
- Understanding ACCA Standards
- Understanding and Preventing Silica Exposure
- Understanding Discrete Manufacturing
- Understanding Good Manufacturing Practices (GMP)
- Understanding Maintenance Strategies
- Understanding Process Manufacturing
- Understanding Situational Awareness
- Understanding Stop Work Authority
- Understanding Work Order Management Systems
- Utility Solar Installation: Foundations and Piles
- Utility Solar Installation: Panel Installation and Wire Management
- Utility Solar Installation: Racking Systems
- Variable Frequency Drive (VFD) Control with PLCs
- Variable Frequency Drive (VFD) Introduction
- Variable Frequency Drive (VFD) Maintenance
- Variable Refrigerant Flow (VRF) System Overview
- Variable Refrigerant Flow (VRF) Troubleshooting
- Variable Speed Technology in HVAC Systems
- Vehicle Backing Safety
- Vehicle Incident Response
- Vertical Transportation
- VFD Installation, Wiring, and Configuration
- VRF Outdoor Unit Maintenance
- Walk-in Freezer Maintenance
- Walk-in Freezer Troubleshooting
- Warehouse Safety
- Washer Diagnostics
- Washer Troubleshooting Guide
- Water Heater Maintenance
- Water Treatment and Well Systems
- What is HVAC?
- Wheel Alignment
- Wiper Blade Replacement
- Wire Resistance and Voltage Drop
- Wire Types and Sizes
- Working At-Heights Around Mobile Cranes
- Working on a Team
- Workplace Hazardous Materials Information System (WHMIS)
- Workplace Violence Prevention
- Worst Case CAZ Depressurization
