Filters are used in various home systems to help manage airflow, water quality, or debris. In heating and cooling systems, filters help protect equipment and support airflow.
When filters become restricted, system performance may be affected. The purpose of filtration is protection and function rather than comfort alone.
Understanding the role of filters helps explain why they are commonly referenced in maintenance discussions.
Disclaimer:
Inspector Howe provides general educational information only. Content is not a substitute for professional inspection, engineering, legal, or code compliance services.