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]

Additional parents:

1. top of the aat hierarchies
2. Objects Facet
3. Object Groupings and Systems
4. systems
5. systems by function
6. HVAC
7. heating systems
8. radiant heating

Narrower term/s

• coils (heat exchangers)[+]
  • cooling coils
  • heating coils
  • dehumidifying coils
• condensers (heat exchangers)
• borehole heat exchangers

Anotations

Scope note:

Devices that transfer heat between two physically separated fluids; generally consists of a cylindrical shell with longitudinal tubes; one fluid flows inside, the other outside.