Fixed firefighting systems - Water mist systems - Part 1: Design, installation, inspection and maintenance - Amendment 1; German and English version EN 14972-1:2020/prA1:2024

Smoke and heat control systems - Part 10: Application rules for service providers for the planning, erection, commissioning, inspection, approval and maintenance for the application area of smoke ventilation, smoke outlet and smoke extraction systems

Ventilation and air conditioning - Part 6: Ventilation for residential buildings - General requirements, requirements for measuring, performance and labeling, delivery/acceptance (certification) and maintenance; Supplement 3: Combined and non-combined operation of ventilation installation packages and single room fireplaces for solid fuels - Installation guide

Ventilation and air conditioning - Part 6: Ventilation for residential buildings - General requirements, requirements for design, construction, commissioning and handover as well as maintenance - Supplement 1: Sample calculations for selected ventilation systems

Low-voltage switchgear and controlgear enclosed equipment - Part 1: Additional requirements for enclosed switch-disconnectors according to IEC 60947-3 to provide isolation of electrical equipment during repair and maintenance work in specific applications (IEC 121A/541/CDV:2023); German and English version prEN IEC 62626-1:2023