BS EN 13141-8. Ventilation for buildings. Performance testing of components/products for residential ventilation. Part 8. Performance testing of non-ducted mechanical supply and exhaust ventilation units (including heat recovery)— 42 стр.
Acoustics -- Laboratory measurement of sound insulation of building elements -- Part 5: Requirements for test facilities and equipment -- Amendment 1: Rainfall sound— 12 стр.
Air filters for general ventilation -- Part 1: Technical specifications, requirements and classification system based upon particulate matter efficiency (ePM)— 34 стр.