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Thread: DIY CHILLER FOR LESS THAN $200??

  1. #1
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    DIY CHILLER FOR LESS THAN $200??

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    Wonder if any of you noticed the ad on Saturday's paper selling those portable fridges (smaller one about $16.

    I was just thinking, could we modify that fridge for use as a chiller by:

    1) drilling two holes in it;
    2) buying a longer outlet hose for the external filter;
    3) shoving as much of the excess length as possible into the fridge through one hole and exiting through the other;

    and viola... one chiller for use. From the ad, the chiller's temp can be adjusted up or down so we can use that to control the water temp.

    I know the plastic hose may not be a good conductor of heat but this method requires the least amount of work. No need to worry about find a steel container of the right size, making sure no leakage etc.

    What do you guys think?

  2. #2
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    there's a topic on this in marine section.

    a) if you can find aluminium tubing,. that would be great.

  3. #3
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    may work for a small tank. maybe <2ft.
    that dinky little portable fridge works on thermoelectric cooling technology and it has only 55 watts of cooling power. it will work as a fridge as the cooling is within an enclosed volume.
    cooling a tank is a different ball game. you are trying to cool something out in the open space. it will need a lot more cooling power.
    a normal 1/4 hp chiller has about 185 watts of cooling power.
    thomas liew

  4. #4
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    Well u may need 2 coil the tube so that it has a longer length of tube in the fridge.
    If you've learnt, teach, if you have, give.
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    yes, you may need to coil the tube but ultimately, it is the cooling power(capacity).
    thomas liew

  6. #6
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    using aluminium waterblock connect to a peltier and the peltier to some giant heatsink with fan. or use another waterblock connected to a radiator to cool the peltier.

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