DPS has published the standard SSH EN 12977-1:2018 “Solar heating systems and their components - Custom-made systems - Part 1: General requirements for solar water heaters and combination systems”

The standard specifies requirements for the durability, reliability and safety of small and large custom-built solar systems that operate with collector heat transfer and serve for heating and cooling in residential buildings. It also contains requirements for the design process of large custom-built systems.