AENOR N mark for radiators and heat convectors

The AENOR N Mark for convector radiators, underfloor heating or solar collectors certifies the quality of these types of products, which ensures the manufacturer, among other things, can demonstrate compliance with the requirements demanded by their customers.

Radiators and heat convectors

The AENOR N Mark guarantees compliance with quality, safety, and efficiency standards. It provides confidence to manufacturers, distributors, and users, ensuring high energy efficiency and sustainable products. This certification supports the reliability and durability of heating systems for buildings.

Solar thermal collectors

The certification guarantees the performance and reliability of solar collectors and thermal systems, promoting the use of renewable energy in buildings. This contributes to compliance with the requirements of the Spanish Building Technical Code (CTE).

Underfloor heating

This certification covers water-circulating heating systems integrated into the surfaces of homes, offices, and other buildings whose use corresponds to or is similar to that of residential buildings.

How does AENOR accredit certificates for heating systems?

Both the AENOR N Mark for radiators and convectors , and the mark for solar thermal collectors of heat liquid , are accredited by the National Accreditation Entity (ENAC).

Regarding the N Mark for underfloor heating systems , the quality of the components is certified:

  • Insulation layer

  • Protective layer

  • Peripheral band

  • Safety equipment, shut-off valves, and balancing devices

  • Plastic piping: PE-X, PERT, PB, PP, Multilayer

Marca AENOR N  de producto certificado

AENOR Mark N of certified product

Certificate and license to use the AENOR Mark for certified product after passing the certification.

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Products covered

The products covered are as follows:

PRODUCTS
RULES
Radiators and convectors
Solar thermal air collectors
Hybrid solar thermal collectors (PVT)
Solar thermal systems
Underfloor heating systems


AENOR also grants the European Keymark certification for the product:

PRODUCTS
RULES
Thermostatic valves for radiators
Marca Declaraciones GlobalEPD

GlobalEPD Declarations

AENOR manages the GlobalEPD Program for verification in accordance with ISO 14025 and EN 15804 standards.

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