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Engineering includes documentation of ventilation data, control plans and drawings. The ventilation drawings are carried out on basis of submitted house drawings and shows the location of aggregates, valves, ducts etc. The ventilation system is shown in the home and in a three-dimensional drawing (DAK project planning). It includes material extraction/parts list, technical documentation and drawings.

Price offer is a simplified offer for balanced ventilation. The offer specifies the unit type and takes care of the applicable building regulations, possibly if you want an offer better than the requirements. A ventilation drawing will not be drawn up. The service is free of charge.