Measuring the refrigerator energy use

Posted by Sir Four at 11:16am Jul 14 '13
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After measuring the electricity used by the large window AC unit, I've moved on to the fridge. Extrapolating from a weeks' worth of data, my refrigerator (1990s model, GE) uses over 1,800 KW/h per year.

I did some research on how energy efficient new refrigerators are. They've made large efficiency gains in the last few decades. A similar sized refrigerator sold today requires only around 400 KW/h of electricity.

Based on my electricity cost (which is higher than in most parts of the country), replacing my fridge with a new model would save about $250/year. So, if the new one costs $750 it would pay for itself in energy savings after three years. Something to think about.

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