Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. system components
7. HVAC components
8. [cooling, heating and humidifying components]
9. heat exchangers

Narrower term/s

• cooling coils
• heating coils
• dehumidifying coils

Anotations

Scope note:

Piping or tubing in coils, spirals, or other various configurations, employed in cooling or heating systems to serve as heat exchangers. For the any general object genre designed as concentric rings or circles, use "coils (object genre)."