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EN ISO 12759-4:2019/prA1

Fans - Efficiency classification for fans - Part 4: Driven fans at maximum operating speed - Amendment 1: Addition of Annex F providing an example of the use of efficiency classification and editorial changes (ISO 12759-4:2019/DAM 1:2026) EN ISO 12759-4:2019/prA1

Publication date:   Feb 19, 2026

General information

45.99   Dispatch of FV draft to CCMC   Sep 30, 2026

CEN

CEN/TC 156 Ventilation for buildings

European Norm

23.120   Ventilators. Fans. Air-conditioners

Buying

Draft

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Life cycle

PREVIOUSLY

PUBLISHED
EN ISO 12759-4:2019

NOW

IN_DEVELOPMENT
EN ISO 12759-4:2019/prA1
45.99 Dispatch of FV draft to CCMC
Sep 30, 2026




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