2-in-1 function

Thermal performance testing for solar air collector; Pressure drop test; Time constant test; Visual inspection; Internal pressuretest; Rupture or collapse test; Stagnation temperature; Exposure test; Externalthermal shock; Internal thermal shock; Rain penetration; Freeze resistance; Mechanical load; Impact resistance test using steel ball; Final inspection. All above listed tests of the standard EN12975-1:2006+A1:2010 and ISO 9806:2017 were passed successfully in accordance with the criteria.

The Solar Keymark is a voluntary third-party certification mark for solar thermal products, demonstrating to end-users that a product conforms to the relevant European standards and fulfills additional requirements. It is widely spread across the European market and beyond. The Solar Keymark is a quality label.

Standard function

Privacy policy


This policy covers how we use your personal information. We take your privacy seriously and will take all measures to protect your personal information.

Any personal information received will only be used to fill your order. We will not sell or redistribute your information to anyone.

If you are not satisfied with our response to your complaint, you have the right to lodge your complaint with the relevant data protection authority. You can contact your local data protection authority, or our supervisory authority here: https://ico.org.uk/make-a-complaint/.