Who does what?

• The training and examination materials are developed by the three regions.

• The regions are responsible for accrediting training and examination centres.
  Link to the list of accredited training and examination bodies.
  • Training centres may only provide training courses and organise examinations in the Flemish Region if they are accredited by VEKA (Vlaams Energie- en Klimaatagentschap).
  • Training centres may only provide training and organise examinations in the Walloon Region if they are accredited by the Walloon Public Service.
  • Training centres may only provide training and organise examinations in the Brussels-Capital Region if they are accredited by ‘Bruxelles Environnement’.
• Training bodies provide training courses and issue certificates of attendance.
• The examination bodies organise the examinations and issue training certificates to successful candidates.

• RESCert handles applications for certification on behalf of the Flemish Region, the Walloon Region and the Brussels-Capital Region.
• RESCert is the central point of contact for the certification system.

• Installers (natural persons) undergo training at an recognized training centre, pass an examination in an recognised examination centre and then apply online to RESCert for certification.

• Certification systems have also been set up in other Member States of the European Union, as well as in EEA and EFTA Member States. An overview of all existing national systems is available on the European platform RESEU, funded by the European Commission. This RESEU website is still online, but has not been updated since 2017.

Last change: 2 October 2026