update:

EN versions or better quality:

EN 1264-5:2008 Water based surface embedded heating and cooling systems - Part 5: Heating and cooling surfaces embedded in floors* ceilings and walls - Determination of the thermal output
EN 14037-1:2016 Free hanging heating and cooling surfaces for water with a temperature below 120°C - Part 1: Pre-fabricated ceiling mounted radiant panels for space heating - Technical specifications and requirement
EN 14037-2:2016 Free hanging heating and cooling surfaces for water with a temperature below 120°C - Part 2: Pre-fabricated ceiling mounted radiant panels for space heating - Test method for thermal output
EN 14037-3:2016 Free hanging heating and cooling surfaces for water with a temperature below 120°C - Part 3: Prefabricated ceiling mounted radiant panels for space heating - Rating method and evaluation of radiant thermal output
EN 14037-4:2016 Free hanging heating and cooling surfaces for water with a temperature below 120°C - Part 4: Pre-fabricated ceiling mounted radiant panels - Test method for cooling capacity
EN 14037-5:2016 Free hanging heating and cooling surfaces for water with a temperature below 120°C - Part 5: Open or closed heated ceiling surfaces - Test method for thermal output


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