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prEN ISO 16890-1 rev
Air filters for general ventilation - Part 1: Technical specifications, requirements and classification system based upon particulate matter efficiency (ePM)
prEN ISO 16890-5
Air filters for general ventilation - Part 5: Measurement of fractional efficiency and air flow resistance for flat sheet filter media
DIN 94679-1
Hydronic systems in heating, cooling and ventilation installations - Part 1: Basics of hydronic balancing
DIN TS 18599 Beiblatt 1
Energy efficiency of buildings - Calculation of the net, final and primary energy demand for heating, cooling, ventilation, domestic hot water and lighting - Supplement 1: Balancing of demand and consumption
DIN EN 13757-4
Communication systems for meters - Part 4: Wireless M-Bus communication; German and English version prEN 13757-4:2024
prEN 13757-4
Communication systems for meters - Part 4: Wireless M-Bus communication
EN 15332/FprA1
Heating boilers - Energy assessment of hot water storage tanks
DIN EN 15332/A1
Heating boilers - Energy assessment of hot water storage tanks; German version EN 15332:2019/FprA1:2023
DIN 4109-1
Sound insulation in buildings - Part 1: Minimum requirements
DIN 4109-5
Sound insulation in buildings - Part 5: Increased requirements
