Circular duct fans

Duct fans for circular ventilation ducts are designed for central ventilation in commercial and industrial buildings, single-family homes, apartments, sanitary facilities, workshops, and garages. Circular duct fans are also suitable for ventilating bathrooms and restrooms with long ventilation ducts or for ventilating apartment buildings. In this category of fans for circular ducts, you will find several fan models, including: silent duct fan, duct fans for circular ducts with an overrun timer, two-speed fans for circular ducts, three-speed fans for circular ducts, and duct fans with an EC motor (energy-efficient motor).

Thanks to their features (low noise, high airflow, and a 5-year warranty), the best-selling types for industrial buildings, commercial buildings, and single-family homes are duct fans for circular ducts—specifically the silent duct fans for circular ducts TD Silent and TD Mixvent. For industrial applications with higher pressure drop, Vent circular duct fans are most commonly used; these can be used for motorless hoods in combination with an MFLT or MFL/F filter box.