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Fuel cost comparison


These fuel cost comparison efficiencies are based on cost averages for the northwest U.S. and will vary from county to county, and also that the Fossil Fuel efficiencies are based on installation test ratings at Sea Level and there is a de-rating of 4% for every 1000 feet of elevation above Sea Level due to change of oxygen content needed for combustion.

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For example in Sandpoint, Idaho we are at about 2,200 feet above Sea Level which means for a Fossil Fuel Burning Furnace rated at 85% efficiency you would have to reduce that Furnace from 85% down to 77% in Sandpoint.

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Fuel Cost Comparison Calculator    www.eia.doe.gov/neic/experts/heatcalc.xls
Fuel Cost Average Comparison Inland Northwest (PDF) document
Cost Per Million BTU Calculator (PDF) document
Geo Financial Analysis (PDF) document

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