BS EN 15316-3-1:2007 Heating systems in buildings - Method for calculation of system energy requirements and system efficiencies - Domestic hot water systems, characterisation of needs (tapping requirements)
2017BS EN 12831-3:2017 Energy performance of buildings. Method for calculation of the design heat load. Domestic hot water systems heat load and characterisation of needs, Module M8-2, M8-3
2008BS EN 15316-3-1:2007 Heating systems in buildings - Method for calculation of system energy requirements and system efficiencies - Domestic hot water systems, characterisation of needs (tapping requirements)