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)

Comment end date 2026-04-28

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Project stage codes

1. Prioritetinių darbo temų pažymėjimas ir ekspertų skyrimas

2. Projektas

3. Viešoji apklausa

From 2026-02-27 till 2026-04-28

4. Closure of enquiry

5. Submission to Formal Vote

Organisation

CEN Europos standartizacijos komitetas

ICS

23.120 - Ventilators. Fans. Air-conditioners

Technical Committee

TK 50 Heating and Ventilation Systems

ForeignTC'S

CEN/TC 156

Number of comments

Comment start date

2026-02-27

Relations

EN ISO 12759-4:2019/prA1