Dalsem AIR Semi-Closed Greenhouse Solution


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The Dalsem AIR greenhouse is capable of using ambient physical properties to generate optimal indoor conditions based upon the Data Driven Growing Strategy, with minimum use of energy. This enables the highest yield and quality of crop in the shortest time. Current horticulture demands new sustainable and energy-efficient cultivation techniques and solutions.

The Dalsem AIR greenhouse focuses on plant balances to boost plant and crop growth by optimizing the greenhouse and its climate conditions in a sustainable way.

How the Dalsem AIR Greenhouse boosts plant growth:

  • Creates air movement around the plants
  • Improves homogeneity of the (micro)climate
  • Maintains high CO2 concentration
  • Dehumidifies energy-efficiently, whether screens are opened or closed
  • Reduces energy use and emissions
  • Real-time insight into plant conditions 

The unique Dalsem AIR Semi-Closed Greenhouse Solution is powered by Dalsem (hardware), Hoogendoorn Growth Management (automation) and LetsGrow.com (DataHub). The collaboration between these innovative companies enables growers to optimize their yield in a sustainable manner.

Less energy, less risk, more production
The new Dalsem AIR Greenhouse includes the Dalsem AIR Semi-Closed System. This Dalsem invention is an essential part of the energy-efficient climate control system. A solution that combines decentralized forced air ventilation and circulation to resemble natural airflow from above to the crop.

Dalsem AIR Semi-Closed System (patent pending) takes outside mechanical ventilation to a new level
By circulating and mixing greenhouse air with outside air or air from above the screens, optimal growing conditions are created inside the greenhouse. A practical and compact ventilation system which is strategically placed to cover the entire greenhouse.

Dalsem AIR Semi-Closed System benefits:

  • Forced ventilation with outside air
  • Forced ventilation with air from above the screens
  • Decentralized ventilation system
  • Modularly expandable with heat exchangers and/or humidifiers
  • Operable with screens open or closed 


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