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NA 041

DIN Standards Committee Heating and Ventilation Technology and their Safety

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Drafts of NA 041

Number: 46

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  Read draft and comment
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  Read draft and comment
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  Read draft and comment
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  Read draft and comment
DIN EN 489-2 2025-11 District heating pipes - Factory made flexible pipe systems - Part 2: Joint casing systems; German and English version prEN 489-2:2025 More  Read draft and comment
DIN EN 18213-1 2025-10 District heating and district cooling pipes - Bonded single and twin pipe systems for directly buried hot and cold water networks - Part 1: Qualification testing of fitter; German and English version prEN 18213-1:2025 More 
DIN EN 18213-2 2025-10 District heating and district cooling pipes - Bonded single and twin pipe systems for directly buried hot and cold water networks - Part 2: Qualification testing of PE-Welder; German and English version prEN 18213-2:2025 More 
DIN EN ISO 41002 2025-09 Facility management - Development of the facility management organization (ISO/DIS 41002:2025); German and English version prEN ISO 41002:2025 More 
DIN EN ISO 24194 2025-06 Solar energy - Collector fields - Check of performance (ISO/DIS 24194:2025); German and English version prEN ISO 24194:2025 More 
DIN EN 12831-1 2025-06 Energy performance of buildings - Method for calculation of the design heat load - Part 1: Space heating load, Module M3-3; German and English version prEN 12831-1:2025 More 

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