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Speaking as a guy in construction, this gives me anxiety. How about a nice radiant electric heater hanging on the wall? Wood burning stove?
Having held my ear against a finished wood floor to listen for the leak, I concur. I'm sure there's a good way to do this, but I've only seen bad ways.
So in-floor is water pipes? I thought it was done by electrical wires. But if pipes are how we'd warm our driveway (if we had one; apartment scum here with a basement garage) then I guess pipes are good inside too.
Do we worry about earthquakes? Would we be better off with radiant in-ceiling heat instead for that?
My farfar was a cabinet maker, my dad was a woodworker, floor layer, tiler, etc, but I'm a nerd and have none of those artisanal skills. This is interesting as heck and it's a connection to my vestigial roots.
hot water for heating is what you call radiators, which are pretty common around the world
hot water for heating is what you call radiators, which are pretty common around the world
Apparently not all the time.
That seems to be the point of this entire sub-thread.
how long does it take to start warming up? That seems like a long loop, or is it multiple loops?
They are 17 individual loops it usually takes up to a day till the floor has its initial temperature after that temperature changes take not longer than 30mins
Ask the installers to bleed it properly or you will have MANY restless nights.
I'm the installer lmao. We got a system with an high power pump cycles every loop multiple times and dumps it in an open container before we connect the heat pump
So, dumping it into an open container is a way to remove bubbles from the line? You wait for the water to come out without bubbles, and that means the line is full? How do you connect the pump without introducing bubbles? Is it submerged in the open container? Then you pull the line down into the water as it's running and connect it?
It's an open container and a submittable pump (usually used for lifting ground water from 100m) that pumps it from the bottrem of the container into the loop and when it comes back from the loop it gets dumped on top of the water line, since the pump transport around 3500l/h we let a single loop with roughly 5-15l circulate for roughly 15mins before we switch to the next (English is my second language so please ignore the grammar mistakes)
What is the final fill liquid? Is there an anti bio/anti corrosion agent?
Just desalted water from our osmosis machine
Not worried about anything growing in there?
I mean it's an "airless" closed loop with 95% clean h2o. The water may gets darker after time from bacteria dieing but there will probably never grow anything concerning
Why the very dense section on the left (hallway?)?
The red lines are the spaces where the people that build the walls might drill, it's that dense because behinde me in that picture there are 3 rooms with together 6 loops and in the middle left behind the wall is the manifold
Nice until it fails.
Yeah everything is. Lasts 50+ years which, IDK if you've ever had a furnace replacement, but they're not cheap and easy especially if it's tucked somewhere weird.
10-15 until it leaks and destroys everything.
I mean I work since 10 year in this job and I never heard of any spontaneous leaking and well we never thrown a system out because of that
this post was submitted on 05 Feb 2026
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