Home energy use

Posted June 27, 2009, at 1:01 a.m.

The annual residential energy consumption, according to the Energy Information Administration, is about 100,000 Btu for each square foot of living space. Here is how you can check your house:

• Multiply your annual use of electricity (kilowatt-hours) by 10,000.

• Multiply your annual consumption of heating oil by 130,000.

• Multiply the cubic feet of natural gas by 1,000.

• Multiply cords of wood by 20 million.

Add it all up and divide by the floor area of your house — are you above or below the 100,000 Btu per square foot annual U.S. residential average?

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