http://www.rekitchen.com/refrigerators/2040.html puts that the average energy consumption is 598KWh/year. Compare that with similar size energyStar rated ones. The Energy Star rated ones consume 430-578KWh/year.
So if you are planning to replace same or bigger size fridge, not much saving. Unless it is broken no need to replace now.
But think about sizing down. Smaller EnergyStar ones are much more efficient. Remember the Parkinson's Law - work expands to available space.
We purchased ours new in January 1999.
The Maytag MDB6759AWS is energy star rated.It's an efficient dishwasher.
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General Electric has many models that are more energy efficient than Maytag.
Any gas-powered washer will be efficient, although consider the Maytag industrial line of washers for maximum efficiency.
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Try any industrial Maytag washer. They're great with water usage and have massive capacity to boost. camera model BWCD-200SR has low water settings.
msd2555drw
I own one that was made in 1989 (Maytag Washer Model A112, Series 04, purchased April 1989) I also own a Maytag A112. It is Series 02, purchased in August 1986.
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Maytag DE 482 volume
1990
1968