Ideal for installers, apprentices, and technicians wanting to understand airflow, friction loss, duct sizing, and noise control — the core elements that make ducted systems perform properly.

Participants learn the science behind airflow, how to select the right ducting and fittings, how to avoid common mistakes, and how to install ducting.

Who This Course Is For

• HVAC installers wanting to expand into ducted systems
• Apprentices and trainees
• Technicians transitioning from hi‑walls to ducted installs
• Tradespeople wanting to add ducted capability
• Employers wanting consistent installation quality
• Sales consultants who quote ducted systems and need technical grounding

What You’ll Learn

Core Knowledge & Theory

• Airflow fundamentals
• Static pressure, friction loss, and velocity
• Duct sizing principles
• NZ Standards overview (H1/VM3, G4)
• Noise mitigation and acoustic considerations
• Common ducting mistakes and how to avoid them

System Design & Installation Fundamentals

• Selecting duct types and fittings
• Designing duct layouts for balanced airflow
• Correct placement of supply and return air
• Avoiding pressure drops and bottlenecks
• Managing bends, branches, and transitions
• Preventing noise, vibration, and airflow issues

Practical Skills

• Hands‑on duct assembly
• Fitting installation
• Correct strapping, hanging, and support
• Sealing and insulation
• Airflow measurement basics
• Identifying and correcting poor duct design

Essential Requirements

• Basic HVAC installation experience
• PPE required: safety boots, gloves, safety glasses

Helpful to have

• Your own hand tools
• Experience with hi‑wall installations

Outcome

Participants receive a Record of Learning certificate upon completion.

This course builds real‑world capability and reduces installation errors, noise complaints, and callbacks — delivering immediate value to employers and technicians.