Geothermal Design and Jobsite Examples

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Geothermal Design and Jobsite Examples

Dan Foley details some of his geothermal design philosophies and some real-world jobsite examples from Foley Mechanical.

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DrSnare

Your thoughts and the details you share are appreciated, thank you.

tarik

Great story. The level of detail is very useful.

"..Copper is a readily available product.." LOL

EBEBRATT-Ed

I have only been involved with 2 geo jobs and they were 14 years and 30 years ago respectively. They were all horizontal loops so we didn't have the issues you had.

As far as Aquatherm goes it is a great product and tooling is pretty simple up to 2". Over 2" the tooling gets pricy, repairs or changes are very difficult. The pipe can't support itself it needs tons of hangers and despite what Aquatherm says expansion and contraction can be a major issue.

But the stuff is bullettproof under the right conditions and as tough as nails.

Getting fittings was an issue. The run of the mill stuff was one thing. Different reducers etc we had to order from someone in NJ as the local supplier did not have them. But that was 10 years back and it was a heating job with 6" pipe.

jumper

Back in the eighties I was involved with horizontal under an outdoor parking lot. Hope was that cooling heat rejection would provide heat source plus perhaps some snow melt. Some winters back up boiler was necessary; some summers dry cooler was needed. Equipment is more efficient now so if piping has held up…..