NA 041

DIN Standards Committee Heating and Ventilation Technology and their Safety

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Drafts of NA 041

Number: 49

DIN EN ISO 41001 2026-05 Facility management - Management systems - Requirements with guidance for use (ISO/DIS 41001:2026); German and English version prEN ISO 41001:2026 More 
DIN EN 12897-1 2026-05 Water supply - Indirectly heated unvented (closed) hot water storage tanks - Part 1: General specifications and common test methods; German and English version prEN 12897-1:2026 More 
DIN EN 17248 2026-03 District heating and district cooling pipe systems - Terms and definitions; German and English version prEN 17248:2026 More  Read draft and comment
DIN EN ISO 41012 2026-03 Facility management - Guidance on strategic sourcing and the development of agreements (ISO/DIS 41012:2026); German and English version prEN ISO 41012:2026 More  Read draft and comment
DIN EN 15450 2026-02 Heating systems in buildings - Design of heat pump heating systems; German and English version prEN 15450:2026 More 
DIN EN 18289 2026-02 Ventilation for buildings - Metallic ventilation ducts - Requirements and test methods; German and English version prEN 18289:2026 More 
DIN EN ISO 14644-15 2026-01 Cleanrooms and associated controlled environments - Part 15: Assessment of suitability for use of equipment and materials by airborne chemical concentration (ISO/FDIS 14644-15:2025); German and English version prEN ISO 14644-15:2025 More 
DIN EN 15316-7-1 2025-12 Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 7-1: DHW instantaneous heat recovery - Module M8-13; German and English version prEN 15316-7-1:2025 More 
DIN EN ISO 14644-13 2025-12 Cleanrooms and associated controlled environments - Part 13: Cleaning of surfaces to achieve defined levels of cleanliness in terms of particle and chemical concentration (ISO/FDIS 14644-13:2025); German and English version prEN ISO 14644-13:2025 More 
DIN EN ISO 14644-14 2025-12 Cleanrooms and associated controlled environments - Part 14: Assessment of suitability for use of equipment by airborne particle concentration (ISO/FDIS 14644-14:2025); German and English version prEN ISO 14644-14:2025 More 

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