quality audit

  • France: Qualisol – A Quality Scheme for Installers

    France: Qualisol – A Quality Scheme for Installers

    Qualit’EnR manages the solar thermal installers label Qualisol and offers a wide range of services to qualified installation companies, such as: listing on the web portal (www.qualit-enr.org), free technical assistance, advertising and communications material and the Qualit’EnR newsletter...

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