Certifications

of our Zortea products

Patent 525 348, 2023

“Stratified/Layered storage tank for a heat transfer fluid for a heating and/or cooling system”
Our innovative and highly efficient stratification solution in the sliding layer/buffer zone of heating and cooling systems.

Quality certificate SPF Rapperswil

The Zortström collection and distribution centre – the globally patented and effective solution for collecting and distributing heat and cold with any number of precisely separated temperature levels.

Fraunhofer-Institut

Test report: Influence of a hydraulically decoupled cooling distributor using Zortström technology on the pump energy consumption in the cooling distribution system.

Highest quality standards

We are certified in accordance with DIN EN ISO 3834 and DIN EN ISO 1090.