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# Heating Fuels - Cost Comparing

## Cost comparison formulas for heating fuels like Natural Gas, Propane LP Gas, Fuel Oil and Electricity.

Average cost comparison formulas for heating fuels:

### Electricity

C e = p e (100000 Btu) / (3412 Btu/ kWh )                  (1)

where

C e = electricity cost per 100000 Btu

p e = electricity price per kWh

### Natural Gas

C ng = p ng (100000 Btu) / (1028 Btu/ft3 )                 (2)

where

C ng = natural gas cost per 100000 Btu

p ng = natural gas price per cubic ft.

### Propane LP Gas (Liquid Propane Gas)

C lp = p lp (100000 Btu) / (91333 Btu/ gallon )                  (3)

where

C lp = propane gas cost per 100000 Btu

p lp = propane price per gallon

### Fuel Oil

C fo = p fo (100000 Btu) / (140000 Btu/ gallon )                (4)

where

C fo = fuel oil cost per 100000 Btu

p fo = fuel oil price per gallon

## Related Topics

• ### Combustion

Combustion processes and their efficiency. Boiler house and chimney topics. Properties of fuels like oil, gas, coal and wood and more. Safety valves and tanks.

## Related Documents

• ### Combustion Efficiency and Excess Air

Optimizing boilers efficiency is important to minimize fuel consumption and unwanted excess to the environment.
• ### Combustion of Fuels - Carbon Dioxide Emission

Environmental emission of carbon dioxide CO2 when combustion fuels like coal, oil, natural gas, LPG and bio energy.
• ### Fossil vs. Alternative Fuels - Energy Content

Net (low) and gross (high) energy content in fossil and alternative fuels.
• ### Fuel Gases - Combustion Values

Combustion values for fuel gases like natural gas, propane and butane - Btu per cubic feet.
• ### Fuel Oil Combustion Values

Combustion values in Btu/gal for fuel oils No.1 to No.6.
• ### Fuels - Combustion Air and Flue Gases

Combustion air and flue gas for common fuels - coke, oil, wood, natural gas and more.
• ### Fuels and Chemicals - Autoignition Temperatures

Autoignition points for fuels and chemicals like butane, coke, hydrogen, petroleum and more.
• ### Nitrogen Oxides (NOx) Emission from Fuels

Emission of Nitrogen Oxides - NOx - with combustion of fuels like oil, coal, propane and more.
• ### Optimal Combustion Processes - Fuel vs. Excess Air

Stable and efficient combustion requires correct mixture of fuels and oxygen.
• ### Stoichiometric Combustion

Stoichiometric combustion and excess air.

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## Citation

• The Engineering ToolBox (2010). Heating Fuels - Cost Comparing. [online] Available at: https://www.engineeringtoolbox.com/heating-fuels-cost-d_1673.html [Accessed Day Month Year].

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5.16.12

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