
                    
        
            HRAI residential heat loss and heat gain calculations : student reference guide.
        
                    
                by
            
        
        
            Heating, Refrigerating & Air Conditioning Institute of Canada.
        
                    
        
                
                            
        
        
                    
                    
        
            Residential air system design manual
        
                    
                by
            
        
        
            Heating, Refrigerating, and Air Conditioning Institute of Canada.
        
                    
        
                
                            
        
        
                    
                    
        
            Small commercial air system design manual
        
                    
                by
            
        
        
            Heating, Refrigeration and Air Conditioning Institute of Canada