HVAC & Plumbing Valves & controlsSurface Heating & Cooling Systems
Standards this line is built to
The designations below are cited by the products on this page. A specification is written in these, not in product names, so each one is set out with what it governs. Progress Horizon Trading supplies this line as an authorized distributor across Saudi Arabia.
EN 12975
The European standard for solar thermal collectors, covering both the general requirements and the thermal performance test behind a collector's declared output.
EN 12976
Factory-made solar heating systems as complete packages, tested as a system rather than collector by collector.
EN 12977
Custom-built solar heating systems, for installations assembled to a specific design rather than supplied as a package.
Solar Keymark
The European third-party certification mark for solar thermal products, and the usual precondition for incentive schemes.