Heating systems in buildings - Method for calculation of system energy requirements and system efficiencies - National annex to DIN EN 15316-4-6:2007-10 (Heat generation systems, photovoltaic systems)
Heating systems in buildings - Method for calculation of system energy requirements and system efficiencies - Part 4-6: Heat generation systems, photovoltaic systems; German version EN 15316-4-6:2007— 21 стр.
