BSI -BS EN 13141-4

Ventilation for buildings — Performance testing of components/products for residential ventilation Part 4: Aerodynamic, electrical power and acoustic performance of unidirectional ventilation unitsOrganization:BSIPublication Date:30 April 2021Status:activePage Count:48ICS Code (Ventilators. Fans. Air-conditioners):23.120ICS Code (Ventilation and air-conditioning systems):91.140.30