SODISTRA is committed to a proactive certification policy to provide you with even more guarantees.
|Standard: NF EN 1886: 2006
Ventilation of buildings - Air handling units - Mechanical performances
Role: Assessment of the degree of air tightness which is typified by the leak flow rate per m2 of the air handling unit casing.
Sodistra air handling units are rated in the best air tightness class by TUV Nord.
Air tightness class of the air handling unit casing, negative test pressure 400 Pa:
Air tightness class of the air handling unit casing, positive test pressure 700 Pa: