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Filter LONGWELL Super Silent Duct Fans models by airflow, static pressure, voltage or size. Every model on the Fan Selector lists its measured or digitised curve, dimensional drawing and datasheet.
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Library: Ø24–1,000 mm, single units up to about 61,000 m³/h — larger duties go straight to an engineer. Prefer to talk it through? Send your specs to an engineer

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Super Silent Duct Fans

Longwell Super Silent Duct Fans are specifically designed for environments that demand quiet airflow, such as offices, hospitals, and recording studios. Advanced acoustic insulation and aerodynamic blade design minimize operational noise.
Despite the low sound output, these fans maintain high airflow efficiency and robust motor durability. Longwell integrates smart control options to balance performance and silence, ensuring optimal comfort and energy efficiency.