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Old 04-21-2014, 09:48 AM   #1
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Cheap AC= Temporary

Thought that some might could use this. Seems strait forward enough. ... e-solution
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Old 04-21-2014, 11:12 AM   #2
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Re: Cheap AC= Temporary


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Old 06-02-2014, 02:47 PM   #3
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Re: Cheap AC= Temporary

You would be better off pumping cool lake water through your heater cores with the fans on high.

The freezer they are using to freeze the ice is adding heat to the house. It's not a usable, or logical system.

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Old 06-02-2014, 06:19 PM   #4
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Re: Cheap AC= Temporary

Freezer could have been out in the garage. It's kind of neat but I've seen things like this done before with the Styrofoam coolers that you can buy at the carryout and a couple bags of ice.
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Old 06-07-2014, 09:37 PM   #5
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Re: Cheap AC= Temporary


Unless I missed something in HVAC design class I don't see how this controls humidity in any way? Nice redneck ac unit but as for really conditioning the air…… I don't think so
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Old 07-31-2015, 04:41 PM   #6
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I have done this to cool my car when my ac compressor broke, it works for the first 10 minutes till the ice freezes, a better design is to use a tranny cooler with a fan and pump the ice water through the cooler with a bilge pump, or a heater core.
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Old 08-24-2015, 07:06 AM   #7
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Originally Posted by bapos View Post

Unless I missed something in HVAC design class I don't see how this controls humidity in any way? Nice redneck ac unit but as for really conditioning the air…… I don't think so
Seriously the frozen milk jug IS a heat exchanger and I guarantee that there will be a puddle of condensation at the bottom of that in no time flat, that is if there is any measurable amount of humidity in the air.

If you were to take that base design put the holes on the bottom about .5 inch off the bottom of the liner (which I think to be completely moot as you are blowing room air through it with out a cycle timer or thermostat). Now put a grate on top of the PVC pipes. then put your icy heat absorber (frozen milk jug in the video) on top of that. If you wanted to increase the efficiency of heat transfer use frozen water bottles and arrange them in a hexagonal pattern for more surface area and air throughput. Also I would suggest a large computer fan instead of that beast.
This type of thing seems like it would be best served for parties and weekend trips as that will quickly be a lot of work to stay slightly cooler.
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