building climatic services
type: Concept
narrower: air conditioning services

humidity control systems
type: Concept
broader: air conditioning services

air conditioning services
narrower: ventilation systems
narrower: humidity control systems
narrower: air recirculation systems
broader: building climatic services
type: Concept

ventilation systems
type: Concept
broader: air conditioning services

concepts
type: Collection
type: ConceptGroup
member: air conditioning services

air recirculation systems
type: Concept
broader: air conditioning services