DIN Standards Committee Heating and Ventilation Technology and their Safety
ISO 9459-1
Solar heating; domestic water heating systems; part 1: performance rating procedure using indoor test methods
Solare Wärmeerzeugung - Wasserheizungsanlagen für den häuslichen Gebrauch - Teil 1: Vergleichstest der Anlagen auf "Indoor"-Prüfständen
Responsible national committee
NA 041-01-56 AA - Solar systems (Mirror committee CEN/TC 312 und ISO/TC 180)
Responsible international committee
ISO/TC 180/SC 4 - Systems - Thermal performance, reliability and durability