A ventilation fan is designed to improve air circulation and quality in enclosed spaces by expelling stale air and bringing in fresh air. These fans are essential for reducing humidity, odors, and pollutants, making them ideal for use in kitchens, bathrooms, and commercial spaces. Common types include **exhaust fans**, which remove air from a room, and **inline fans**, which are installed in ducts to boost airflow. Ventilation fans help maintain a comfortable and healthy indoor environment, and many models come with features like adjustable speeds and noise reduction technologies.
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