Air Systems Cleaning Specialist Practice Exam 2025 – Complete Preparation Guide

Poor duct maintenance can lead to an accumulation of dust, allergens, and other debris within the ductwork. As the air passes through the ducts, these contaminants can be released back into the living or working environment, resulting in increased levels of dust and allergens in the air. This can trigger allergic reactions and respiratory problems for building occupants.

Inadequate maintenance allows for issues such as blockages, mold growth, and the potential for pests, which can further degrade indoor air quality. Regular cleaning and maintenance of the duct system help ensure that air moving through the system is clean and healthy, minimizing exposure to harmful particulates and improving the overall indoor environment. Proper duct maintenance is an essential aspect of maintaining good indoor air quality and occupant health.