Inspecting Commercial HVAC Equipment

Section 7: Larger Duct and Distribution Systems

Air Handling Units (AHU)

4 Topics

Introduction to Air Handling Units

Types of AHU Systems

Basic Components

Variable Air Volume (VAV) Boxes

6 Topics

Introduction to VAV Boxes

Basic Components

Inspection Video

AHU and VAV Box Inspection Checklist

Common Issues and Inspection Tips

SECTION 8: Ventilation

Introduction to Ventilation

Types of Ventilation

Ventilation Needs

Special Ventilation Needs and Inspection

Make-up Air Unit

5 Topics

Introduction to Make-up Air Units

Basic Components

Make-up Air System Inspection Checklist

Common Issues and Inspection Tips

Bakery Inspection: Heating and Ventilation Video

Large Duct and Distribution Systems

1 Topic | 1 Exam

Large Duct and Distribution Systems Video

Quiz 8: Controls and Distribution

SECTION 9: Large Cooling Plants

Introduction to Cooling Plants

Large Cooling Plants Video

Chilled Water Systems (Chillers)

3 Topics

Basic Components

Inspection Video

3 Topics | 1 Exam

Introduction to Cooling Towers

Operational Cycle of a Cooling Plant

Common Issues for Large Cooling Plants

Quiz 9: Large Cooling Plants

Inspection Videos

2 Topics

Cooling Towers: Heat Pumps and Heat Exchangers

Backflow Prevention and Cross-Connection Risks

Closing and Final Exam

3 of 3

Previous Lesson

Make-up Air Unit

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