Specifications for installations inside buildings conveying water for human consumption - Part 5: Operation and maintenance; German version EN 806-5:2012— 32 стр.
Thermal solar systems and components - Custom built systems - Part 3: Performance test methods for solar water heater stores; German version EN 12977-3:2008— 53 стр.
Energy performance of buildings - Method for calculation of the design heat load - Part 3: Domestic hot water systems heat load and characterisation of needs, Module M8-2, M8-3