The new Finnish Decree on the Indoor Climate and Ventilation of New Buildings 1009/2017 [1] is part of the implementation of Energy Performance of Buildings Directive in the EU. The new Decree specifies the minimum design ventilation rate to be 6 dm3/s. person (outdoor air). The Decree also specifies that the ventilation shall be controlled by demand when feasible. https://unitedssports.shop/product-category/ball-floorball/