Duct, Box, Roof, Wall Fan
Are you looking for ventilators that provide consistent airflow and superior air quality in homes, offices, or heavy industrial environments? Our selection of duct, box, roof, and wall-mounted ventilators ensures that you receive the ideal solution – at a competitive price.
Our range – flexible, efficient, and thoroughly tested
• Duct fans – suitable for ventilation systems that require strong airflow and high efficiency
• Box fans – compact and practical, ideal for spaces with limited room
• Roof fans – effective at removing warm air from ceilings or rooftops, improving indoor climate and energy efficiency
• Wall-mounted fans – securely installed on walls, well-suited for wet rooms or basements that need proper air exchange
• Solar-powered ventilation – harness the power of nature with exhaust fans driven by sunlight
Do you require specific features such as EX-class fans for explosive environments or EC motors for low energy consumption? With our extensive range, you are covered on all parameters.
Quality is our top priority
We supply ventilators from recognised brands that meet industrial standards and strict energy efficiency requirements. Reliability, durability, and ease of use are our core values. As a customer at Bels, you will benefit from:
• Ventilation solutions for all applications – from private residences to industrial facilities
• Support within 24 hours on weekdays
• Frequent next-day delivery, allowing you to get your solution up and running quickly
• A clear overview of components and accessories – including filters, control systems, mounting kits, and cables
Our aim is to assist you in completing your installation and enjoying optimal performance for many years to come. The ventilation products are supplied by manufacturers such as Lindab, Systemair, Maico, and Exhausto, all of whom have decades of experience within the ventilation industry.
Serving private and professional customers alike
Bels supplies both private customers and businesses, domestically and internationally, as well as public institutions. Many models and spare parts are available in stock with next-day delivery. You are welcome to contact us at info@bels.dk for quotations, questions regarding special orders, or availability of specific items.
Ventilation components to meet every need
Whether you are a homeowner, craftsman, or facility manager, we offer ventilators with proven performance and long-lasting durability. Choose from duct, box, roof, or wall-mounted ventilators depending on your duct system, existing installation, or desired airflow.
There is no shortage of options – from compact box models to high-performance roof units, many of which are kept in stock. We also offer a wide range of accessories such as filters, control systems, and mounting hardware to ensure maximum control, comfort, and energy efficiency.






