This document provides procedures and methods for measuring and calculating the energy efficiency and associated characteristics of non-residential unidirectional ventilation units when driven by electric motors.
Unidirectional ventilation units include roof fans and box fans.
This document includes unidirectional ventilation units with and without filters.
Additional air treatment items are considered in this document but are excluded in the determination of the efficiency of the product.
This document does not include:
- residential unidirectional and bidirectional ventilation units,
- non-residential bidirectional ventilation units.
NOTE 1 Residential unidirectional ventilation units are under the remit of CEN/TC 156/WG 2.
NOTE 2 Non-residential bidirectional ventilation units are under the remit of CEN/TC 156/WG 5.
Legislation related to this standard
Commission Regulation (EU) No 1253/2014 of 7 July 2014 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to ecodesign requirements for ventilation units
Commission Delegated Regulation (EU) No 1254/2014 of 11 July 2014 supplementing Directive 2010/30/EU of the European Parliament and of the Council with regard to energy labelling of residential ventilation units
40.98 Project deleted
Sep 15, 2021