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Goal: Understand the critical areas of the HVAC system that must be inspected, cleaned and maintained to ensure good indoor air quality.

Lesson 1: Inspection and Maintenance

Objective – Describe the minimum frequency for the inspection and maintenance of several HVAC system components.

Lesson 2: Cleaning

Objective – Describe key cleaning procedures for heat exchangers, ductwork, and cooling towers.

Lesson 3: Prevention

Objective – Identify how filters and ultraviolet lights may be used to prevent equipment and components from getting dirty in the first place.