SILENCIO • An eco-friendly, sustainable sound attenuator for mechanical ventilation systems
The SILENCIO project gave rise to ehho®: a sound attenuator for mechanical ventilation systems.
The ehho® sound attenuator was developed to tackle nuisance noise in homes, while providing an eco-friendly and sustainable solution.
A simple specification, then, but it was a real technical challenge to design a financially viable product made completely of textiles (at least 70% of which were recycled) – to make it easier to recycle at the end of its life – while providing exceptional acoustic performance. On top of that, it had to be made in France.
Homes are increasingly well-insulated from outside noise. At the same time, inhabitants are becoming much more sensitive to noise originating inside their home.
New design trends, with an open or semi-open kitchen that forms part of the living area, as well as new energy efficiency standards in France that require the installation of a mechanical ventilation heat recovery system, mean inhabitants are increasingly disturbed by airflow-related noises caused by the ventilation system.
The ehho® mechanical ventilation system sound attenuator is made in the Hauts-de-France region and has been commercialised since March 2019 by WECOSTA.
- creation of the ehho® trademark
- eight jobs created or saved
- within 5 years, turnover of €1,000,000 generated (of which 10% in export markets)
Project type: French agency for the environment and energy management/Eco TLS project
Start date: 2016
Project duration: three years
Learn more at www.ehho.eu