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[PhilStubbs]

Did some googling and can find proof of concept that this should work, but can't find anyone doing it the way I am thinking.

My idea is to bury 100ft or so of 1/2" or 3/4" PVC so the water in the pipe will be cooled by the ground and then pump it through a radiator with a fan inside my shop. Seems like it would make my shop cooler. Doubtful that it would be like AC, but might still make things more tolerable. Anyone here ever done anything similar?

[92CXyD]

PVC acts as an insulator more than conductor of heat.

Your idea sounds similar to heat pumps, may want to look into that.

Up in Wyoming the air dry most of the year, a lot of people use swamp or evaporative coolers due to how cheap it is to fabricate.

Tonnes of hardware stores stock parts for those to build your own. 

[Ntrain2k]

You will need a lot more than 100 feet of pipe.

You want to use black well pump pipe also, in the big coils.

[MTZ]

https://youtu.be/P8zCo0Kmiko

(yt uploader doesn't allow embedding this video)

A different principle since its a sealed environment but it might give you other ideas

[j.h.christ]

I used to spec out and install geothermal heat systems. Pm me if you have questions.

[ratcityrex]

I used to spec out and install geothermal heat systems. Pm me if you have questions.

I'm intrigued. Tell me more...

[PhilStubbs]

Weird, my post didn't seem to stick.

I ended up getting a crackhead deal for a 4 ton split unit with a 10 year warranty. I don't have time for all the messing around for something that might end up working. $3400 installed for my AC that keeps my shop nice and cool in Florida. Can't complain