How many fans do you need?
Enter your dimensions and we’ll work out your volume, the air exchange your application needs and the recommended number of fans.
What kind of space?
Space dimensions (meters)
What will the fan be used for?
Fan size
Power option
The right number of fans in three steps
- 01Describe your space
Choose greenhouse, farm or exhaust and enter width, length and height in metres. Volume is calculated automatically.
- 02Choose the purpose
Cooling, humidity and ammonia removal, or dust and smoke extraction each need a different air exchange.
- 03See the recommendation
See the recommended quantity for your chosen model and send the result to us on WhatsApp in one tap.
The calculation is a guide. For an exact project, send us your dimensions on WhatsApp for a free site survey and calculation.
Questions about fan quantity
How many fans does a poultry house need?
It depends on volume, animal count and local summer heat. Enter your dimensions in the Fan Selector or send them via WhatsApp for a project calculation.
How many fans does a greenhouse need?
It depends on volume and local summer heat. Enter your dimensions in the Fan Selector to see the recommended quantity.
220V or 380V?
With three-phase power, 380V models suit long, heavy operation. Without it, the 140×140 220V single-phase model connects to standard mains.
Let’s Calculate How Many Fans Your Space Needs
Send us the width, length and height of your space and we’ll determine the right fan count.


