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02/21/2017, 10:53 PM | #1 |
Registered Member
Join Date: Sep 2016
Location: Santa Clarita
Posts: 149
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PEX Chiller
In my garage I have around 200 gallons of water volume which is probably going to double in the upcoming months. I made a pex heating loop to my water heater to heat the water. It works so flawless and cuts down costs so much since I don't need to use electricity to heat the water. My garage reaches temps in the high 40's to low 50's in the coldest part of winter, but the real problem is going to be when summer rolls around in the next few months. It gets hot where I live and its normal to hit triple digit temps on the regular. My garage will probably be close to 90 - 95 degrees some days. My question is has anyone made a pex tubing chiller using your homes cold water line?? I'm not expecting a miracle to have this be my only means of cooling, but if it can cut down on the use of my chiller then I'd love to explore this option. Does anyone have input if this would work or does anyone have any experience trying something like this??
Thanks! |
02/22/2017, 06:45 AM | #2 |
Plumbing Engineer
Join Date: Feb 2004
Location: Atlanta GA
Posts: 3,260
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What you are suggesting wont work well unless you have a constant flow of water through the loop, which would just waste water.
What you are thinking of is actually using water the ground has cooled to cool your tank, its why your tap water is colder than the outside temp. Look into a PEX ground loop, thats how you do a PEX chiller. |
02/22/2017, 08:35 AM | #3 |
Registered Member
Join Date: Jul 2011
Location: New Jersey
Posts: 283
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Should look into a simple geothermal setup. Wouldn't need to be as extensive as a whole-house one, but what you've proposed wouldn't work as there's no continuous flow or cooling of house water.
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02/22/2017, 05:36 PM | #4 |
Registered Member
Join Date: Jan 2005
Location: Clagary Alberta Canada
Posts: 52
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I have done something similar I made a heat exchanger out of Cpvc, and the entire house water supply travels through it so everytime the toilet flushes taps run etc, the cold water in the exchanger gets replaced. Not the best but it is free cooling
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02/22/2017, 08:09 PM | #5 |
Registered Member
Join Date: Apr 2016
Location: Downriver,Mi
Posts: 226
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^^^ Pretty good idea,I like it!
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02/22/2017, 09:13 PM | #6 | |
Registered Member
Join Date: Feb 2011
Location: Cypress, Texas
Posts: 1,904
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Quote:
But that would mean you have to break it, which is unlikely... Still, a separate loop would be my choice any day. |
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02/23/2017, 10:36 AM | #7 |
Registered Member
Join Date: Sep 2016
Location: Santa Clarita
Posts: 149
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Thanks for the input everyone.
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02/23/2017, 11:53 AM | #8 |
Registered Member
Join Date: Sep 2015
Location: Denver, CO
Posts: 90
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I am working on a system like this for my big tank build, inspired by some of the tank builds on here.
Current plan is to first make the heating unit, with a solenoid, hot water recirculating pump on the hot water heater, some pex and ranco/apex for controls. I will also be building a similar system off my cold water line, that will also feed into my drip system that waters my yard. Hoping to use the same pump for this and be able to switch between heating and cooling with another solenoid. Will have to see if I can get that part to work though, but if not, ill just add in another pump for the cold water. |
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