Duct cover also know as sun breaker is an architectural feature used to reduce heat gain and glare by blocking direct sunlight from entering a building, it consist of horizontal or vertical slats, fins or panels installed on the exterior facade allowing light and air pass through while providing shade, it helps maintain a clean streamline look by hiding unsightly ductwork often in commercial building

Duct cover comes in various styles

Standard coverSimple flat panels that blend into walls or ceiling
Decorative CoverFeaturing patterns, vent or perforation for better airflow
Custom Cover Tailored to fit unique duct shape or to match interior design theme