NF P52-612/CN:2005 Heating systems in buildings - Method for calculation of the design heat load - National addition to NF EN 12831 - Default values for calculations of clauses 6 to 9.
2010NF P52-612/CN:2010 Heating systems in buildings - Method for calculation of the design heat load - National addition to NF EN 12831 - Default values for the calculations in clauses 6 to 9.
2005NF P52-612/CN:2005 Heating systems in buildings - Method for calculation of the design heat load - National addition to NF EN 12831 - Default values for calculations of clauses 6 to 9.