Comparación de Filtros

Comparación entre las Normas de Clasificación de Filtros de Aire
EN779 - EN1822 - ASHRAE5.2

EN 779:2012EN 779:2012EN 1822:2009ASHRAE‑Standard 52.2-2007
Coarse Filters Average Arrestance (Am)
Final Test Pressure Drop 250 [Pa]
Medium – and Fine Filters
Average Efficiency (Em) and
Minimum Efficiency(M.E.) of 0.4 µm particles
Final Test Pressure Drop 450 [Pa]
(H)EPA- and ULPA-Filters EfficiencyMinimum Efficiency Reporting Value (MERV)
50% ≤ Am < 65% G1  MERV 1-4
65% ≤ Am < 80% G2MERV 1-4
80% ≤ Am < 90% G3MERV 5
90% ≤ Am G4MERV 6-8
40% ≤ Em < 60% M5MERV 8-10
60% ≤ Em < 80% M6MERV 9-13
80% ≤ Em < 90% M.E.: 35% F7MERV 13-14
90% ≤ Em < 95% M.E.: 55% F8MERV 14-15
95% ≤ Em M.E.: 70% F9MERV 16
Overall Value ≥ 85% E10MERV 16
Overall Value ≥ 95% E11MERV 16
Overall Value ≥ 99.5% E12
Overall Value ≥ 99.95% H13 Local Value ≥ 99.75%
Overall Value ≥ 99.995% H14 Local Value ≥ 99.975%
Overall Value ≥ 99.9995% U15 Local Value ≥ 99.9975%
Overall Value ≥ 99.99995% U16 Local Value ≥ 99.99975%
Overall Value ≥ 99.999995% U17 Local Value ≥ 99.9999%