Standard EN 779:2012

Air Filters in General Ventilation to eliminate particles.
Air filter classification

GroupClassLoss of final charge

Pa

Average performance (Am) against systhetic dust

%

Average efficiency(Em) against particles of 0,4 ɲm

%

Minimum* efficiency against particles of 0,4 ɲm

%

ThickG125050 ≤ Am < 65
G225065 ≤ Am <80
G325080 ≤ Am <90
G425090 ≤ Am
MediumM545040 ≤Em < 60
M645060 ≤Em <80
FineF745080 ≤Em <9035
F845090 ≤Em <9555
F945095 ≤Em70

* ª Minimum efficiency is the lowest efficiency between the efficiency after the discharge, the initial efficiency and the lowest efficiency throughout the charge trial procedure

Standard EN 779:2012 EUROVENT: 4/21-2014

Filter energy classification

Class of filterM5M6F7F8F9
EInitial Efficiency IPA 0,4 μn.a.n.a.     MTE > 35%MTE > 55%MTE >70%
Eurovent energy classificationEnergy consumption ASHRAE 250 g dustEnergy consumption ASHRAE 100 g dust
  A+0 – 450 kWh0-550 kWh0 – 800 kWh0 – 1000 kWh0 – 1250 kWh
A>450 – 600 kWh>550 – 650 kWh>800 – 950 kWh>1000 – 1200 kWh>1250 – 1450 kWh
B>600 – 700 kWh>650 – 800 kWh>950 – 1200 kWh>1200 – 1500 kWh>1450 – 1900 kWh
C>700 – 950 kWh>800 – 1100 kWh>1200 – 1700 kWh>1500 – 2000 kWh>1900 – 2600 kWh
D>950 – 1200 kWh>1100 – 1400 kWh>1700 – 2200 kWh>2000 – 3000 kWh>2600 – 4000 kWh
E >1200 kWh>1400  kWh>2200 kWh>3000 kWh>4000 kWh

For more information please look at the EUROVENT webpage:  www.eurovent-certification.com