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View Diary: ECSTASY series: Measure the Power! (79 comments)

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  •  Regarding any new or older fridge (4+ / 0-)
    Recommended by:
    RunawayRose, G2geek, WarrenS, RosyFinch

    When the freezer isn't full, I freeze half gallon water bottles.  When I need the room in the freezer, I squeeze 'em in the fridge and leave them there until they melt, and then remove only when I need the room, or put 'em back into the freezer.

    This really helps in the little fridge at work, too.  I've done my best energy conservation at work and I don't even foot the bill.

    "Life is what happens to you while you're busy making other plans." John Lennon

    by trashablanca on Wed Mar 10, 2010 at 09:57:07 PM PST

    •  the way that works is... (4+ / 0-)

      You use some extra power to freeze the water, but then save back roughly the same amount on the refrigeration side when the frozen water helps keep the fridge cool.

      The net efficiency gain occurs by increasing the amount of thermal mass in the fridge, since the fridge door is opened much more than the freezer door.  

      Best bet is to cycle them back to the freezer from the fridge, because then the freezer only has to accomplish the phase change from near-freezing back to solid water again, rather than down from room temp to solid water.  

      NOTE:  Water that's cycled back & forth may not remain indefinitely safe to drink ; consider it the same as water that's been kept in the fridge for the entire time.  

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