DIN Standards Committee Heating and Ventilation Technology and their Safety
ISO 21773
Methods of test and characterization of performance for energy recovery components
Verfahren zur Leistungsprüfung und Charakterisierung von Komponenten zur Energierückgewinnung
Responsible national committee
NA 041-02-51 AA - Residential ventilation (Mirror committee CEN/TC 156/WG 2 and CEN/TC 156/WG 16)