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I wonder how costly it is to fill your walls entirely with water pipes.

Also, one currently ensures there is a stud or lack of electrical when putting nails in a wall. I guess you gotta hang things up differently.

There are some "radiant cooling" installations out there. Most use either the ceiling or the floor, for the reasons you point out.

Yeah, my brother used to work in a building that was cooled like this with a 'chilled beam' system - https://en.wikipedia.org/wiki/Chilled_beam

Apparently it works pretty well.

That uses a different mechanism. It cools the air and relies on convection. TFA specifically avoids cooling the air.

> I wonder how costly it is to fill your walls entirely with water pipes.

Pretty costly in water damages for sure, people tends to drive nails in pipes all the time already, just imagine this * 100x.