The Critical Role of Airflow in Greenhouses
To address the challenges of transitioning to full LED, Food Autonomy developed LEDFan®, a two-in-one solution.
Supplemental lighting is essential in greenhouse production, but transitioning to LED technology can introduce climate challenges. Unlike traditional lighting, LEDs emit significantly less waste heat, which can lead to increased humidity levels - conditions favourable for fungal diseases.
To address the challenges of transitioning to full LED, Food Autonomy developed LEDFan®, a two-in-one solution. Instead of relying on costly dehumidification systems or additional greenhouse fans, LEDFan® combines lighting with targeted air circulation. LEDFan® directs heat downward, raises canopy air temperature, and promotes beneficial airflow throughout the growing zone.
The result: a more balanced climate, healthier plants, and reduced pathogen pressure.
Did you know that according to studies, air movement at just 0.4 m/s can increase photosynthesis efficiency by up to 30% compared to stagnant air? (Kitaya et al., 2003).
Ventilation isn't just about temperature control—it is essential for CO₂ uptake, transpiration, and overall plant vitality. Without proper airflow, greenhouses become humid and stagnant, creating the perfect breeding ground for fungal diseases such as Botrytis cinerea.
As many reviews have confirmed, high humidity significantly increases the risk of fungal and bacterial infections, while airflow can create a better microclimate (Hartman et al, 2003).
LEDFan® provides a unique solution by integrating lighting with targeted air circulation:
• Controlled airflow and elevated temperature at the canopy zone
• Natural humidity regulation
• Decreased cold-heat stress by heating up incoming air
• Enhanced CO2 uptake, photosynthesis and transpiration
• Reduced pathogen pressure through precise climate management
In modern greenhouse operations, smart lighting and airflow is not a luxury—it is a fundamental requirement for sustainable and efficient crop production. LEDFan® combines lighting with airflow, reducing the need for costly dehumidification systems and extra heating. Moreover, it has the ability to synchronize fan control with other environmental parameters, such as screen openings and CO₂ fertilization, controlled with our wireless control system CultiMesh®, or fully integrated into the grower's climate computer.
Learn more about LEDFan® - https://foodautonomy.org/en/products/greenhouse-ledfan?utm_source=AgriTechTomorrow&utm_medium=news&utm_campaign=LEDFan
Learn more about CultiMesh® - https://foodautonomy.org/en/products/cultimesh?utm_source=AgriTechTomorrow&utm_medium=news&utm_campaign=CultiMesh
At Food Autonomy, we design advanced LED lighting systems and smart technologies that empower growers to take control of their food production. From precision lighting to climate-responsive solutions, our innovations help create efficient, sustainable growing environments indoors and out.
References
Kitaya, Y., Tsuruyama, J., Shibuya, T., Yoshida, M. (2003). Effects of air current speed on gas exchange in plant leaves and plant canopies. Advances in Space Research, 31(1), 177-182.
Hartman, J. R., & Bachi, P. R. (2003). Managing Greenhouse & High Tunnel Environmental Conditions to Reduce Plant Diseases. University of Kentucky, College of Agriculture, Plant Pathology Fact Sheet PPFS-GH-01.
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