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CIBSE Simple Model

Download the  User Guide in PDF format
Download the  Theory Guide in PDF format

Input
             
  Surface     Area U value  
        [m^2] [W m^-2 K^-1]  
  Ceiling    
  Floor    
  Wall 1    
  Wall 2    
  Wall 3    
  Wall 4    
  Doors 1  
  Doors 2  
  Doors 3  
  Doors 4  
  Glazing 1    
  Glazing 2    
  Glazing 3    
  Glazing 4    
             
  Operative temp. [C]  
  Inside air temp. [C]  
  Outside air temp. [C]  
  Radiant fraction [ ]  
  Volume [m^3]  
  Air changes per hour [h^-1]  
             



Output
       
  Heating power [W]  
  Inside air temp. [C]  
  Mean surface temp. [C]