Fuel   Cost   Unit   Btu/Unit   Efficiency   $/MMBH   
   Electric   KWH  3,413  
   Propane   Gal  91,000  
   Fuel Oil   Gal  128,000  
   Wood   Cord   
 
   Species   Btu/Cord    Notes:  
   black locust  26,500,000   1. Change values in yellow cells  
   hickory  25,400,000   2. Costs are current for Willow, Alaska as of June 2008
   hophornbeam  24,700,000   3. Wood heat values are for dry, well-seasoned wood.
   beech  21,800,000      (Default is for White Birch, most common in this area)
   hard maple  21,800,000   4. MMBH = One Million Btu's  
   red oak  21,700,000
   yellow birch  21,300,000
   yellow pine  20,500,000
   white ash  20,000,000
   white oak  19,200,000
   soft maple  19,100,000
   black cherry  18,500,000
   white birch  18,200,000
   sweetgum  18,100,000
   elm  17,700,000
   yellow poplar  15,900,000
   hemlock  15,000,000
   red spruce  15,000,000
   fir  13,500,000
   white pine  13,300,000
   basswood  12,600,000