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DDI "Rectangular, Square , Cube" TM

Don't Waste the Waste: Use DDI Heat Recovery

Since 1980

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Downloads

We at DDI-HeatExchangers have designed an application for you to calculate the
potential energy savings. It is a small (.EXE) file that you can download by clicking here.

"Currently  the cost of energy is much higher, up to 30 $ per / 1 million BTUH in some States."
 
               
ENERGY ECONOMIC EVALUATION OF HEAT RECOVERY EXCHANGER            
            change to fit  
  sample 1 sample 2 sample 3 sample 4   YOUR Own data  
Heat Recovery Exchanger in BTUH                   1,000,000              2,000,000              2,500,000               3,000,000                 1,500,000 g3
               
  Electricity Gaz Gaz Electricity   Gaz & Electricity   
Rate  $ / 1,000,000 BTU 10.84 3.11 3.11 10.84   7 g6
(about 3 $ gaz per 1,000,000 BTU or 10$ electricity              
               
Hours per day 24 24 24 24   24 g9
Days used in one year 365 365 270 240   365 g10
Boiler efficiency % (lost energy of gaz heater) 95 80 80 95   90 g11
====================================================================================================== -----------------------------  
Total $ Dollars SAVED in ONE YEAR  $                    99,956  $               68,109  $               62,978  $              197,174    $              102,200 g13
            **  
               
Years 15 15 15 15   15 g16
               
  Total US $  SAVED in 15 years  $    1,499,343  $ 1,021,635  $    944,663  $ 2,957,608    $ 1,533,000 g18
               
  **   calculations=  (G6*G3/1000000)*G9*G10*(100/G11)           
               
Natural Gaz 1 cubic meter =                   35,910 BTU          
Natural Gaz 1 cubic meter = 0.18 Can $        
Natural Gaz 1 cubic meter = 0.11 US $        
               
Electricity 1 KWH  =                     3,413 BTU          
Electricity 1 KWH  = 0.037 US$        
               
               
  Assuming cost of energy will not go up in the future? 1,000,000 BTU =    $                 3.11 US$  If  NATURAL GAZ
  It is more likely that it will be even more expensive…            
    1,000,000 BTU =  293 KWH =   $               10.84 US$  If ELECTRICITY


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Last modified: 02/19/08