VES develops low-noise heat-recovery AHU

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
Related links:
Related articles:

modbs tv logo

Heat pump market represents a colossal opportunity, says BESA

BESA’s head of technical Graeme Fox said the heat pump market represented “an absolutely colossal opportunity” for suitably qualified engineers but warned that the industry would have “to rapidly scale up capacity and needed considerable investment in additional skills to deliver all these hugely ambitious targets”.

Mitsubishi Electric launches modular R32 e-series chiller

Mitsubishi Electric has launched an R32 version of its popular e-series chillers, available in 150kW and 180kW units.