This is a discussion document by the VHK study team, inviting stakeholders to react on the various elements for review of Commission Regulation (EU) No. 327/2011 (hereafter ‘fan regulation’). The document is based on stakeholder input, the existing fan regulation, the requirements of the Ecodesign framework directive 2009/125/EC, consistency with the latest drafts of related Ecodesign regulations (motors, compressors 2014, ventilation units 2013, etc.), various test standards and additional VHK-research of manufacturer’s catalogue data.