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EN 16798-7-2017 pdf download.Energy performance of buildings - Ventilation for buildings- Part 7: Calculation methods for the determination of air flow rates in buildings including infiltration (Modules M5-5). This EN 16798-7 describes the methods to calculate the...

EN 15316-5-2017 pdf download.Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies -Part 5: Space heating and DFIW storage systems (not cooling), Module M3-7. M8-7. EN 153 16-1, Energy performance of...

EN 15316-4-2-2017 pdf download.Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 4-2: Space heating generation systems, heat pump systems, Module M3-8-2, M8-8-2. Qhw;grn;in is the ambient heat energy...

EN 17423-2020 pdf download.Energy performance of buildings - Determination and reporting of Primary Energy Factors (PEF) and C02 emission coefficient - General Principles, Module M1-7. 5.1.1.3 Gross and Net calorific value The PEF can be expressed based...