EXNO stands for “Exterior Noise”. It is an Autodesk® Revit® plugin to evaluate the quality of sound insulation of windows according to German Standard DIN 4109:2016-07 “Sound Insulation in Buildings”.
Based on an Architectural Revit model, with the definition of Room types, Exterior Walls, the noise level and used ventilator, the sound insulation value, and the sound insulation class of Windows can be calculated, to inform the Architect about the required quality of Windows in terms of noise protection.
Results can be exported to Excel and directly visualized in several views. In addition, EXNO evaluates the Sound Insulation Class according to VDI 2719.