Translation guide
A passage for air, such as in ventilation, HVAC, or industrial systems.
A duct for distributing air in a building or vehicle.
The most common and general term for an air duct, used in HVAC, ventilation, and industrial contexts.
Literally 'ventilation pipe', used in technical or architectural contexts.
Explicitly 'air duct', used when distinction from other ducts is needed.
We changed the design of the air duct.
A flexible tube for air, such as in automotive or appliance contexts.
Common for flexible air hoses, e.g., in cars or pneumatic systems.
The air hose is disconnected.
エアコンのダクトを掃除してください。
Please clean the air conditioner duct.
The ventilation ducts in this building need regular inspection.
Generic 'air pipe', less common in everyday speech.
Check the connection of the air pipe.