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Editors Note: Passivent provide:

  • Passive ventilation

  • Natural ventilation

  • Ventilation systems

  • Daylight systems

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PASSIVENT - Unique Solution To Creating A Quiet, Sustainable Internal Environment

In any large, busy building, noise transfer from one area to another has always been a problem- but no more, with a revolutionary yet simple product by Passivent developed in association with Arup.

WhispAir significantly reduces sound transmission from one area to another, whilst enabling low resistance airflow- essential in naturally ventilated buildings. This can help reduction in energy consumption as part of the continuing drive for zero carbon buildings, without compromising acoustic performance targets as described in British Standards and Building Bulletins.

In a cross ventilation application, WhispAir is positioned at high level in the partition between two internal spaces, enabling air transfer with minimal pressure drop. The unique combination of design features, including a patented sound absorbing lining, is optimized to attenuate mid frequency sound, typically the most problematic. Accredited laboratory testing has demonstrated that an acoustic performance of up to Dnew44 can be realised.

“The acoustic performance of the WhispAir unit would requirements of BB93 to be met in a classroom adjacent to a noisy corridor,” explains Passivent Marketing Manager Siobhan Gadiot. “The unit allows low resistance air movement around the building without the associated noise transmission. It enables natural ventilation to be effective in ‘closed plan’ environments such as cellular offices, classrooms, hotels…..”

WhispAir’s innovative design of an ABS sleeve with foam lining enables it to be flat-packed for easy transportation, with 16 product models available to suit most situations. The smallest 300mm x 300mm x 300mm unit with standard acoustic foam provides Dnew31, and an average attenuation of 34dB at mid frequencies. The largest 600mm x 300mm x 1200mm with high specification acoustic foam provides Dnew42 and an average attenuation of 51dB at mid frequencies.

Further enhancing its green credentials, WhispAir is manufactured from 100% recycled ABS and recycled foam.

Adds Siobhan Gadiot, “The adage goes that the simplest ideas are often the best, and WhispAir proves that. There is no other product like it in the market.”

Passivent is the UK’s leading designer and supplier of natural ventilation systems for both domestic and commercial applications. The company has contributed to the BSRIA guide BG2/2005 Wind Driven Natural Ventilation Systems, as well as being a member of the DSCF steering committee on ventilation guidance for schools, Building Bulletin 101.

E-mail Passivent


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News Categories:
Passive ventilation Natural ventilation Ventilation systems Daylight systems

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Hill Farm Business Park, Linton Hill, Maidstone, Kent ME17 4AL
Tel : 01622 745333

news@buildingdesign.co.uk


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