90.92 Standard to be revised Sep 23, 2026
ISO
ISO/TC 180/SC 4 Systems - Thermal performance, reliability and durability
International Standard
97.100.99 Heaters using other sources of energy | 27.160 Solar energy engineering
Published
Describes test procedures for characterizing the performance of solar domestic water heating systems operated without auxiliary boosting and for predicting annual performance in any given climatic and operating conditions.Suitable for testing all types of systems including forced circulation, thermosiphon, freon-charged collektor systems.
PUBLISHED
ISO 9459-2:1995
90.92
Standard to be revised
Sep 23, 2026
IN_DEVELOPMENT
ISO/AWI 9459-2