VES develops low-noise heat-recovery AHU

07 February, 2013

VES Andover, air handling unit, heat recovery

Following independent tests in an anechoic chamber, VES has modified the design of its Ecovent air-handling unit to reduce the overall noise level. The tests by the University of Southampton’s Institute of Sound & Vibration to BS EB ISO 3744:2010 showed a higher sound and unwanted power level in the 100 to 250 Hz range, which directly related to the fan-blade pass frequency.

Assessing the fan-cradle design, case construction and acoustics materials helped reduce the sound power generated and sound migration through the case (case breakout).

The outcome is VES’s quietest heat-recovery unit, the Ecovent Acoustic, which is perfect for many educational environments. These units meet the requirements of BB93 ‘Acoustics for schools’ and have a heat-recovery efficiency of over 70%. Other features are low specific fan powers and BlueSense intelligent controls.

For more information on this story, click here: Feb 2013, 167

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VES develops low-noise heat-recovery AHU

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