Zehnder & Kälin AG

The core activity of zehnder & kälin ag is the provision of services in the field of building physics and acoustics. This includes in particular: * Noise protection: Assessment of external noise situations, preparation of noise reports and clarification of permit feasibility * Sound insulation: Evidence according to SIA 181, sound insulation reports and expert opinions, building acoustic measurements * Room acoustics: Ensuring adequate room acoustics and speech intelligibility in indoor spaces, calculation and dimensioning of reverberation times * Building physics: Evidence for thermal, sound and moisture protection, condition analyses, expert opinions and renovation concepts for building renovations * Energy efficiency: Evidence for Minergie, -P, -A and -Eco as well as GEAKplus, summer heat protection according to SIA 180 The company offers these services for various construction projects, such as new buildings, renovations and conversions, and works with architects, engineers and builders in the process.