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Ons Huis - a social housing organisation based in the Dutch city of Enschede - has been providing rental houses for people of modest means for over a century now. In order to keep the rental charges for this target group as low as possible, the energy consumption must be equally modest. When it does renovations, therefore, Ons Huis opts for Vasco ventilation systems as standard equipment. Social tenants often don´t have it easy. Rent alone already takes a big chunk out of their monthly budget, and the accompanying energy bill removes another bite on top of that – certainly in times of rising energy prices. Therefore, when renovating its housing stock, Ons Huis is careful to apply energy-saving technologies. In this context the organisation opted for the ventilation box of Vasco eighteen months ago. In the meantime, around 250 houses are already equipped with that system – type C.“The principal consciously chose our product,” explains Marcel Schut, account manager at Vasco Group Netherlands. “Firstly because of the energy savings. With our box, residents save a minimum of sixty euros per year on their energy bill. Amongst other things this is made possible by the design of the unit, with backwards curved blades. They ensure the proper flow with optimum efficiency - something that has already been confirmed by independent bodies.” The user-friendliness also helps to achieve these savings. The users can easily adjust their ventilation in three positions, and a moisture sensor in the shower space automatically determines when air has to be discharged - demand-driven ventilation, in other words. In this way, the system also scores better in the software in order to help determine the energy label. Another advantage for the user: the noise level is so low that he or she scarcely hears the ventilation when it’s working.
Equally important is that installers can easily work with the system. After all, ventilation only works optimally if the installation has been done right. “Installing this unit is very easy, and fine-tuning it is just as simple,” says Schut. “With other systems, you often have to unscrew the ventilation unit and make adjustments inside. With the Vasco unit, you don´t have to perform any additional actions; instead, you work easily and quickly via the RF control.” The Vasco system is also equipped with a Perilex plug, alongside the RF control with moisture sensor. Such wired control still stems from the early days of ventilation boxes, when RF was still in its infancy. Historically, however, scores of boxes in the Netherlands are connected to such a Perilex plug with a three-position switch, and so it’s quite handy for the installer to have this option available as well.
All of these things have made the collaboration between Ons Huis and Vasco a success. This has already been demonstrated by the first 250 houses, and is being consolidated by the housing organisation’s current projects in progress, for which Vasco is its standard choice. “User-friendliness and low energy consumption are the key here,” Schut concludes.
