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Your Fuel Cost ($)  
Your Fuel Cost / Therm
TPH Output
% moisture In
%moisture Out
Cost / Therm  
Hrs / Day
Days / week
Weeks / Year
Outside Air
Dry Product Temperature
Wet Bulb
Specific Heat (Btu/lb°F)
Description Pounds Tons
Rate Year    
Input / hr    
Output / hr    
Bone dry / hr    
Water Evaporated / hr    
Therms / hr    
Therms / ton  
BTU"s heat water   Water x (212 Deg - Outside Air Temp)
BTU"s evaporate Water   Water x 1000 (Btu"s Lb water)
BTU"s heat sand   (Dry Material x Specific Heat) x (Outside Air Temp - Wet Bulb)
BTU"s Total    
kW/Hr Total  
Therms Total  
BTU"s # H2O (Ablolute)  
This form calculates the approximate energy saved using various technologies. For these calculations, 50% RH and sea level elevation are assumed or data is from published source (see notes). All data is believed to be accurate and is from published sources but not guaranteed. Request in writing an energy usage guarantee based on your situation and include:
  1. Your elevation above sea level
  2. TPH throughput (dried)
  3. Moisture in % (be as accurate as possible)
  4. Discharge moisture you need, 5) Product sizes and type of product.
  5. Operating data for "Rotary" obtained from NISA Energy Conservation Survey.
  6. Operating data for "Fluid Bed" obtained from published data in public domain.
  7. Energy figures are approximate and for reference only.
To get the high, low and average temperature, amount of rain, cooling and heating degree days for every ZIP Code in the U.S. by day and month click HERE. The average is based on the 30 year period from 1971 to 2000. Enter a 5-digit ZIP Code and click on Submit.
Company Technology BTU"s # H20 Efficiency Therms Total Therms ton Cost Hour Yearly Cost
Rotary Average   55.59%        
Rotary Best   68.59%        
Fluid Bed Winter   71.04%        
Fluid Bed Summer   84.13%        
VENTILEX Standard - 0°F   82.05%        
VENTILEX Standard - 70°F   86.40%        
VENTILEX Recirculation   92.00%        
VENTILEX By-pass Evap   101.69%        
VENTILEX Heat Exch Evap   106.97%        
VENTILEX Energy Miser   148.80%        
VENTILEX Yearly Savings
Rotary Average Rotary Best Fluid Bed Winter Fluid Bed Summer

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