h a l f b a k e r yQuis custodiet the custard?
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Normally condenser coils are at the backside of a fridge. Move those to bottom of the fridge. These condenser coils should be in two layers, one inch apart, immersed in a tray full of water connected to water supply.
My guess is that this is lot more efficient since water cooling is more efficient
than air cooling.
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What keeps the water cool? |
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Marlon Brando with a cold?
"I coulda been a condender" |
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If the warmed water in the tray is sent off down the drain, you'd probably not spend much money on cooling water (maybe less than you'd spend on air-conditioning a normal fridge's heat out of the air). |
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In winter you'd miss the heat that the fridge puts out. (We've done the old idea of venting a fridge to the winter outdoors, and figured out that a running fridge actually heats the house.) |
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If you sent the warmed water off to the water heater, you might even make money. |
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Whatever you do, the coils are going to need periodic cleaning to prevent mineral scale build up. |
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I'd bun this if I lived in a hot climate and had cheap, mineral-free water. |
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[+] Bun, but only if you list a few useful destinations for
the fridge's waste heat. |
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In winter, an indoor water feature (a decorative
fountain) could double as a way to get rid of the fridge's
heat (while keeping that heat in the house), and as a
source of humidity. |
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In summer, the waste heat could be sent into an
outdoor cooling tower. |
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Summer or winter, the heat could be sent into a
swimming pool, or into an outdoor water feature, or, if
one's home uses a geothermal heat pump for heating
and cooling, into the geothermal loop. |
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I also feel compelled to mention that water cooled
fridges do exist -- they're primarily used on boats, but
there's nothing to prevent them from being used on
land. |
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I think such a fridge will be dramatically more efficient than regular air cooled fridge. This might compensate for periodic cleaning to prevent mineral scale build up. |
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AFAIK, efficiency of a fridge is directly proportional to how well condensers lose heat. If they don't lose any heat at all, fridge simply wont work inspite of compression and expansion of the gas. |
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Water sticks to the surface of pipes absorbing heat much better than air would do. |
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//But what keeps the water cool ?//
A small pump circulates the water through pipes into the fridge. |
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//But what keeps the water cool ?// |
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Water is circulated periodically. Warm water is disposed off in drain. Tray is filled with fresh water, which is at room temp. |
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One can always keep those 86 litres of water some where and use it next day again.; No wastage of water at all. |
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//which is not exactly new// Yes, true. |
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