BS EN ISO 13792:2012

1   Scope This International Standard specifies the required input data for simplified calculation methods for determining the maximum, average and minimum daily values of the operative temperature of a room in warm periods:

       a)  to define the characteristics of a room at the design stage in order to avoid overheating in summer; 
   
   
     
       b)  to define whether the installation of a cooling system is necessary or not. 
   
 

Clause 6 gives the criteria to be met by a calculation method in order to satisfy this International Standard.