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Type Index number Status
Centralised MEV and MVHR systems 500493 Normal
Brand Model name Model qualifier
Vaventis Fresh-R
     
System type balanced whole-house mechanical ventilation with heat recovery
Duct type rigid  
Minimum duct size 125 mm diameter or 204 x 60 rectangular or larger
Original manufacturer name Vaventis BV
Current manufacturer name Vaventis BV
Manufacturer address Achteromstraat 8A
Weesp
1381 AV
The Netherlands
Manufacturer phone +31 888182600
Manufacturer website www.vaventis.com
First year of manufacture 2014  
Final year of manufacture current  
Summer bypass no  
Integrated to exhaust air heat pump No  
Entry updated 26/09/2016 11:00  

 

K+n wet rooms SFP (W/l/s) [2009] Efficiency (%) [2009] SFP (W/l/s) [2012] Efficiency (%) [2012]
n = 1 0.78 89% 0.87 87%
n = 2 0.84 87% 1.11 84%
n = 3 1.02 84% - -

In-use factors

In-use factors are shown as multiplying factors for SFP or MVHR efficiency

Default In-use Factors

  SFP SFP SFP Efficiency Efficiency Last updated
  Flexible duct Rigid duct No duct Uninsulated duct Insulated duct  
MEV centralised 1.70 1.40       16/12/2011 08:02
MEV decentralised 1.45 1.30 1.15     12/05/2007 09:52
MVHR 1.70 1.40   0.70 0.85 16/12/2011 08:02
Default 2.50 2.50 2.50 0.70 0.70 15/10/2007 12:16

 

Approved Installation Scheme In-use factors

  SFP SFP SFP Efficiency Efficiency Last updated
  Flexible duct Rigid duct No duct Uninsulated duct Insulated duct  
MEV centralised 1.60 1.30       16/12/2011 08:02
MEV decentralised 1.45 1.30 1.15     12/05/2007 09:52
MVHR 1.60 1.25   0.70 0.85 16/12/2011 08:02
Default 2.50 2.50 2.50 0.70 0.70 15/10/2007 12:16

 

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