Belgian semi-closed tomato glasshouse shows 12 per cent lower energy use

Researchers from three Belgian research stations have yielded energy savings of 12 per cent in a tomato glasshouse trial through carefully controlled ventilation and thermal screening.

tomato cultivation - image:Antoinette Janssen
tomato cultivation - image:Antoinette Janssen

Air flow rates, indoor and outdoor climatic parameters were monitored, along with the energy consumption of the ventilation unit, the overall energy use of the glasshouse and the crop yield.

The second year of the trial, 2011, showed a 12 per cent energy saving over an otherwise similar glasshouse at the Flanders site.

According to the authors: "In addition, improved crop growing conditions become possible as the installation allows for a better control of the greenhouse climate."

The findings are published in the February edition of Energy and Buildings.


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