We are Peet Zwink, a cut Cymbidium grower, and we have now been using a cavity wall screen system in our greenhouses for two years. Our experience has been overwhelmingly positive, both in terms of energy savings and the growing climate for our crops.
Customer Testimonial
Cavity screen experiences by Cymbidium kwekerij Peet Zwink
Energy Saving
The cavity screen has a significant impact on our energy bill.
Compared to a single screen, we saved approximately 40% on gas last season.
This is because the cavity screen provides an additional layer of insulation, reducing heat loss.
Effect on the greenhouse climate and crop growth
In addition to energy savings, we have noticed that the cavity wall screen also has positive effects on the greenhouse climate:
Summer: The screen keeps heat out, resulting in crop temperatures up to 4°C cooler than under a single screen.
Winter: Humidity control is easier than before. A greater temperature difference above and below the screen creates upward air pressure, allowing moisture to be removed more efficiently.
The cavity wall screen creates a layer of still air, which positively affects moisture transfer to the air above the screen.
These effects help create a more stable climate that is better suited to the crop, contributing to healthy growth of the Cymbidiums.
Conclusion
Based on our findings, we are convinced that the cavity screen has a positive impact on both the greenhouse climate and the crop.
Moreover, it contributes to significant energy savings, making it both economically and ecologically beneficial.
We continue to provide support even after project completion
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