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« Should You Switch from Oil to Natural Gas Heat? | Main | Switch to Compact Fluorescents and Save Money »

February 16, 2009


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Thanks! This is a really good point that I didn't consider. I'll put it on my list of things to update.

Thanks! Very well-explained analysis and very useful to me as I'm trying to compare the cost of owning and operating a gas vs. electric clothes dryer. The only adjustment you should make is this: the gas dryer would use 22,000 Btus per hour if the burner ran ALL THE TIME, which it doesn't (it cycles on and off during the drying period, as the dryer thermostat demands). Most people who do this calculation assume the burner is on half the time. The same is true of the electric dryer - the heating element is on half the time. (Of course, the electric motor is running all the time on both dryers.) This will reduce the calculation of yearly energy usage by almost half. However, it won't change the energy use ratio of gas to electric dryers by very much.

Forgot the cost of the dryer.

Gute Arbeit hier! Gute Inhalte.

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