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Some properties of Thermodynamics apply...
As I understand it, when you place the room-temperature items in the fridge, the resultant temperature difference places a demand on the system due to the ambient temp drop, which = more energy consumed. Then once up to temperature, the demand is flat.
The biggest loss that should be inspected is, "how often is the door opened"? You lose a tremendous amount of cool air each time you open that door -- some people leave it open until the cereal is covered in milk! ...than back it goes.
Also consider the minimum temp settings.
All user-specific.
RH77
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Supporting those devastated by the Joplin Tornado
EF5 / 22-May-2011
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