Standard EN 779:2012 

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

Group Class

Loss 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

%

Thick G1 250 50 ≤ Am < 65 - -
G2 250 65 ≤ Am <80 - -
G3 250 80 ≤ Am <90 - -
G4 250 90 ≤ Am - -
Medium M5 450 - 40 ≤Em < 60  
M6 450 - 60 ≤Em <80  
Fine F7 450 - 80 ≤Em <90 35
F8 450 - 90 ≤Em <95 55
F9 450 - 95 ≤Em 70

* 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 filter M5 M6 F7 F8 F9
EInitial Efficiency IPA 0,4 μ n.a. n.a.      MTE > 35% MTE > 55% MTE >70%
Eurovent energy classification Energy consumption ASHRAE 250 g dust Energy consumption ASHRAE 100 g dust

  A+

0 - 450 kWh 0-550 kWh 0 - 800 kWh 0 - 1000 kWh 0 - 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