تعيين ابعاد Gas Vent
            
            از قابلیتهای این نرم افزار میتوان موارد ذیل رو نام برد :
            
                - Calculates Vent and Connector Sizes for Category I Gas Fired Appliances
- Follows the International and National Fuel Gas Code
- Sizes Double Wall Metal Vents and Liners            
- Calculates Interior and Exterior Masonry Chimney Siz
- Computes Combustion Air Requirements                
- Sizes Type B and Single Wall Metal Vent Connectors  
- Calculates for Single and Multiple Appliances       
- Works for Both Single and Multi Story Buildings     
- Allows for Drafthood and Fan Equipped Appliances    
- Accommodates Single and Multiple Stage Appliances   
- Accommodates any Height and Lateral Dimensions      
- Accommodates 45 Degree and 90 Degree Vent Elbows    
- Accommodates Corrugated Vent Connectors             
- Accommodates Vent Dampers                           
- Adjusts for Extra Elbows and Lateral Lengths        
- Easy to use with Graphical Context Sensitive Help