3 ms·
The lower part is underfloor heating. I don't know what the higher part is, but I would guess that they retrofitted underfloor heating and used existing overhea
by die_sekte 16y ago
The lower part is underfloor heating. I don't know what the higher part is, but I would guess that they retrofitted underfloor heating and used existing overhead pipes for the water. Normally those pipes would be well-hidden.