What type of odor sources would benefit most from air scrubbers?

Air scrubbers play a crucial role in improving indoor air quality by removing various types of contaminants from the air. Specifically, they are highly effective against particulate and gaseous contaminants. This is because air scrubbers utilize filters and sometimes additional technologies, such as activated carbon or HEPA filtration, to capture particulates, allergens, and volatile organic compounds (VOCs) that can cause unpleasant odors.

Particulate contaminants include dust, pet dander, mold spores, and other small particles that may contribute to odors in an environment. Gaseous contaminants, which can release strong odors, include chemicals and organic compounds that evaporate into the air.

In contrast, other choices highlight different issues that air scrubbers are not designed to tackle as effectively. Non-volatile organic compounds are more stable and less likely to be captured through airflow filtration compared to their volatile counterparts. Heavy metals are typically found in solid forms or particulates that require specialized remediation techniques rather than air scrubbing. Visual debris, while it may be unsightly, does not contribute to odor and is usually dealt with through manual cleanup rather than air filtration methods.

Thus, the choice that indicates air scrubbers are beneficial primarily for particulate and gaseous contaminants aligns perfectly with the operational capabilities of these machines.