Ventilation Fan
Louvered wall fans and portable ventilation fans for greenhouses, poultry houses, barns, warehouses, and workshops: high-flow industrial models.
Products (3)
- Dündar KF 100x100 Industrial Ventilation Greenhouse Fan with Louver – $569.22
- Dündar SPM 30 (12") Plastic-Body Portable Air Exhaust Fan – $326.60
- Modern Teknik KP 80×80 Automatic Shutter Greenhouse and Poultry House Fan, 0.37 kW, 15,000 m³/h, Three-Phase – $540.47
Brands: Dündar · Modern Teknik
Where are ventilation fans used?
Ventilation fans are used in large spaces such as greenhouses, poultry houses, barns, warehouses, workshops, and production facilities to expel hot, humid, or stale air and to provide fresh air intake. Proper ventilation improves animal health and product yield, prevents stored goods from deteriorating, and creates a more comfortable environment for workers.
Category contents
- Louvered industrial wall fans: With a square frame and automatic louvers, for large spaces such as greenhouses and poultry houses.
- Portable ventilation fans: A practical solution for temporary ventilation, painting, and drying work in enclosed spaces.
- Plastic-body models: Suitable for humid environments thanks to their lightweight and corrosion-resistant construction.
Dimensions such as 100x100 or 80x80 in product names indicate the fan frame size.
Selection criteria
The total flow rate required is determined by the volume to be ventilated and the desired number of air changes; in large spaces, using more than one fan generally provides more balanced airflow. Fans should be positioned on the opposite wall relative to the fresh air inlet openings so that air sweeps across the entire area. In animal shelters, it is important that noise and air velocity do not disturb the animals. In humid and dusty environments, attention should be paid to the motor protection class.
Installation and maintenance
Louvered fans must be securely fixed to the wall or frame, with sufficient clearance for the louvers to open and close freely. In dusty environments such as poultry houses and barns, the blades and louvers should be cleaned frequently; accumulated dust reduces flow rate and strains the motor. On belt-driven models, belt tension should be checked regularly.
Frequently asked questions
How many fans are needed for a greenhouse?
It varies depending on the greenhouse volume, climate, and crop grown. Calculate the total flow rate requirement and determine the number of fans accordingly.
Why are louvers important?
They prevent cold air and wind from entering when the fan is not running, and also reduce the entry of birds and insects.
Where is a portable fan used?
It provides a practical solution for paint drying, dehumidification, and temporary ventilation in enclosed spaces.
Can fans run continuously?
Industrial ventilation fans are designed for extended operation. Thermostat or timer-based control saves energy.
Can the speed of ventilation fans be adjusted?
On models with a suitable motor, speed control regulators can be used.
What do you recommend for smaller spaces?
Axial fans with shutters may be sufficient for small warehouses and rooms.