The Eurovent Association’s Product Groups ‘Air Handling Units’ and ‘Residential Air Handling Units’ (covering non-residential and residential ventilation units respectively) have released Position Papers concerning the ongoing review of Commission Regulation (EU) No 1253/2014 (Ecodesign requirements for ventilation units). The papers include clarifications and amendments to the regulatory text, as well as in-depth suggestions for improvement concerning air filters, leakages, humidity recovery, control systems, labelling aspects, and many other issues of high relevance.