In ‘In Greenhouses’ edition April 2018 there is a background article about the growth of fans through the closed screen. The VentilationJet System from Hinova was the first system that came on the market for this. “The system is constantly being developed, with this system you can ventilate with the screen closed,” says Henk van der Meer. “In addition, the system can now also be controlled wirelessly via the LoRa network. This saves time with installation and with possible malfunctions.