The efficiency of boilers excluded from Directive 92/42/EEC [4] shall comply with the manufacturer’s instructions and with national and local legislation on efficiency, but for such existing boilers (with the exception of biomass boilers) an efficiency lower than 88 % shall not be accepted.
Le rendement des chaudières exclues de la directive 92/42/CEE [4] est conforme aux instructions du fabricant et à la réglementation nationale et locale en matière de rendement, mais ces chaudières existantes (exception faite des chaudières à biomasse) présentent un rendement minimale de 88 %.