Registration number (WIID)Project No.TitleStatus
59077LVS EN 15316-4-1:2017/NA:2020Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 4-1: Space heating and DHW generation systems, combustion systems (boilers, biomass), Module M3-8-1, M8-8-1 - National AnnexStandarts spēkā
58995LVS EN ISO 52010-1:2017/NA:2020Energy performance of buildings - External climatic conditions - Part 1: Conversion of climatic data for energy calculations (ISO 52010-1:2017) - National AnnexStandarts spēkā
10517LVS EN 305:2003 LHeat exchangers - Definitions of performance of heat exchangers and the general test procedure for establishing performance of all heat exchangersStandarts spēkā
10191LVS EN 1057+A1:2011 LCopper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applicationsStandarts spēkā
10199LVS EN 1775:2011 LGas supply - Gas pipework for buildings - Maximum operating pressure less than or equal to 5 bar - Functional recommendationsStandarts spēkā
10444LVS EN 12279:2000Gas supply systems - Gas pressure regulating installations on service lines - Functional requirementsStandarts spēkā
10891LVS 423:2002 /A1:2009General requirements for corrosion protection of natural gas underground steel pipelinesStandarts spēkā
59049LVS EN 15316-1:2017/NA:2020Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 1: General and Energy performance expression, Module M3-1, M3-4, M3-9, M8-1, M8-4 - National AnnexStandarts spēkā
59061LVS EN 15316-4-3:2017/NA:2020Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 4-3: Heat generation systems, thermal solar and photovoltaic systems, Module M3-8-3, M8-8-3, M11-8-3 - National AnnexStandarts spēkā
59058LVS EN 15459-1:2017/NA:2020Energy performance of buildings - Economic evaluation procedure for energy systems in buildings - Part 1: Calculation procedures, Module M1-14 - National AnnexStandarts spēkā
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