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NA 041

DIN Standards Committee Heating and Ventilation Technology and their Safety

About NHRS Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees

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Projects of NA 041

Number: 138

DIN EN ISO 11855-2 2022-03-03 Building environment design - Embedded radiant heating and cooling systems - Part 2: Determination of the design heating and cooling capacity (ISO 11855-2:2021 + Amd 1:2023); German version EN ISO 11855-2:2021 + A1:2023 More  Comment 
DIN EN ISO 11855-3 2022-03-03 Building environment design - Embedded radiant heating and cooling systems - Part 3: Design and dimensioning (ISO 11855-3:2021 + Amd 1:2023); German version EN ISO 11855-3:2021 + A1:2023 More  Comment 
DIN EN ISO 11855-5 2022-03-03 Building environment design - Embedded radiant heating and cooling systems - Part 5: Installation (ISO 11855-5:2021 + Amd 1:2023); German version EN ISO 11855-5:2021 + A1:2023 More  Comment 
DIN EN ISO 11855-1 2022-03-03 Building environment design - Embedded radiant heating and cooling systems - Part 1: Definitions, symbols, and comfort criteria (ISO 11855-1:2021 + Amd. 1:2023); German version EN ISO 11855-1:2021 + A1:2023 More  Comment 
DIN EN ISO 11855-4+A1 2022-03-03 Building environment design - Embedded radiant heating and cooling systems - Part 4: Dimensioning and calculation of the dynamic heating and cooling capacity of Thermo Active Building Systems (TABS) (ISO 11855-4:2021 + Amd 1:2023); German version EN ISO 11855-4:2021 + A1:2023 More  Comment 
DIN EN 16798-3 2022-02-18 Energy performance of buildings - Ventilation for buildings - Part 3: For non-residential buildings - Performance requirements for ventilation and room-conditioning systems (Modules M5-1, M5-4); German version EN 16798-3:2025 More  Comment 
ISO/FDIS 9059 2021-11-17 Solar energy - Calibration of pyrheliometers by comparison to a reference pyrheliometer More  Comment 
ISO/FDIS 9846 2021-11-17 Solar energy - Calibration of a pyranometer using a pyrheliometer More  Comment 
DIN EN ISO 14644-5 2021-09-13 Cleanrooms and associated controlled environments - Part 5: Operations (ISO/FDIS 14644-5:2025); German version FprEN ISO 14644-5:2025 More  Comment 
DIN 94679-1 2021-08-16 Hydronic systems in heating, cooling and ventilation installations - Part 1: Basics of hydronic balancing More  Comment 

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