This standard specifies design and principles for heating systems and attached systems using heat pumps for residential and non-residential buildings with a proposed DIN EN Heating systems in buildingsDesign of heat pump heating systems; German version EN This standard specifies design and principles for DIN EN Heating systems in buildingsDesign of heat pump heating systems; German version EN standard by DIN-adopted European Standard, DIN EN ember Standard Current. DIN EN, Ausgabe» Zur Normen