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• The consequences of high gas prices
• Current ways to control the greenhouse climate
• Controlling the greenhouse climate by use of DryGair units
• Growers can save up to 50% with DryGair

High gas prices are unfortunate for large numbers of growers. Entrepreneurial risks include the variable energy costs. Agreements with energy suppliers are made in advance, but the quantity of gas purchased is not always 100% gas and part of it is variable. This could cause your costs to be much higher in the end. This will eventually lead to a decrease in the efficiency.

Excessive humidity in the greenhouse causes different crops to be vulnerable to fungi. Of course you want to prevent this. This is traditionally solved in the following ways: 

• Additional heating: you increase the pipe temperature. This way, you stimulate the evaporation, and plants will produce more moist. 
• Cracks in screen cloth: you create cracks in the screen cloth. This way, the moist is discharged and condensates against the cold glass. Consequence: the cracks create an uneven climate and cold trap on the crops. 
• Open windows: the windows are opened. Consequence: you lose heat and CO2.

In these traditional ways you ensure a better greenhouse climate, but you lose a lot of heat and CO2. This results in relatively high gas prices.

A DryGair unit draws moisture from the air and circulates this air. The ventilators in the units circulate 22,000 m3 of greenhouse air per hour per unit. The panels in the unit are very cold and warm greenhouse air will condensate against it instead of against the greenhouse cover, as it used to. Not only the tangible, but also the latent heat will remain in the greenhouse. This allows for the screens to keep completely closed.

Growers that already make use of the DryGair unit, indicate that major savings can be made, sometimes up to 50%. Meanwhile, Gerbera nursery Jac Oudijk uses 19 DryGair units on 7 hectares. Read their story here. 

''The improvement of the greenhouse climate is major'' (according to Wilco Westerman of gerbera nursery Jac. Oudijk)

Using DryGair you get maximum energy efficiency, due to low energy consumption. With this system you no longer need outdoor air; only the greenhouse air present is being treated. Thanks to the DrygGair unit the greenhouse has a uniform climate. The greenhouse temperature and RV remain even. Due to the combination of reducing the relative humidity and the air circulation through the Drygair unit, the minimum pipe temperature becomes redundant in many cases.

Whether your grow tomatoes or roses, and whether your greenhouse measures 7 or 20 hectares: there is a suitable DryGair unit for every greenhouse and every crop. Based on plant evaporation, heating and cooling, a specialist can assess how many units are required to reach the desired climate. Subsequently, the payback time can be calculated. Our specialist Eef Zwinkels will happy to serve you with regard to this.

Sustainable dehumidification of greenhouse air qualifies for an EIA-subsidy. This subsidy can be applied for if your company invests in the reduction of CO2, the use of energy-efficient techniques and sustainable energy. 

Can't find your answer? Fill out the contact form and our specialist Eef Zwinkels will get back to you. On weekdays, even within 24 hours.

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