Common Contaminants in HVAC Systems

Health Effects of Indoor Air Pollutants

Biological Contaminants: Mold, Bacteria, and Dust Mites

Non-Biological Contaminants: Dust, Dirt, and Volatile Organic Compounds

Basic Principles of HVAC System Operation

Types of Air Duct Systems: Sheet Metal, Flex Duct, Duct Board

Components of Air Duct Systems: Supply, Return, Filters, Grills, and Diffusers

HVAC System Controls and Thermostats

HVAC System and Air Duct Inspection Basics

Use of Inspection Tools and Equipment

Identifying Need for Cleaning: Contamination Levels and Locations

Reporting and Documentation of Inspections

Planning and Preparing for Air Duct Cleaning

Techniques for Cleaning Different Types of Ductwork

Use of Cleaning Tools and Equipment: Brushes, Air Whips, and Negative Air Machines

Post-Cleaning Procedures and Verification

Personal Protective Equipment (PPE)

Duct Cleaning Equipment: Vacuum Collection Devices, Agitation Devices, Inspection Tools

Safety Procedures and Hazards in Air Duct Cleaning

Handling and Disposal of Contaminated Materials

Repairing Damaged Ductwork

Applying Sealants and Coatings

Changing Filters and Upgrading Filtration Systems

Legal and Regulatory Overview

Insurance Issues Related to Air Duct Cleaning

Documentation and Record Keeping

Customer Education and Communication

Marketing and Business Development

Writing Proposals and Estimating Jobs

Contracts and Agreements

Customer Service and Retention

Dealing with Difficult or Unusual HVAC System Problems

New Technologies and Innovations in Air Duct Cleaning

Continuing Education and Certification

Understanding the National Air Duct Cleaners Association (NADCA) Standards

EPA Guidelines on Air Duct Cleaning

OSHA Standards for Worker Safety in Air Duct Cleaning

Definitions

Organizations

Appendix: Course Glossary and Outline

CADCT Certification Exam – 1 of 5

CADCT Certification Exam – 2 of 5

CADCT Certification Exam – 3 of 5

CADCT Certification Exam – 4 of 5

CADCT Certification Exam – 5 of 5