Are the Upper and Lower Floor Heating Pipes Both Hot

Both the upper and lower pipes of the floor heating are hot. Floor heating is through pressure, so that hot water circulates in two directions in the floor heating pipeline, heating the ground to a certain temperature, and then uniformly radiates the heat from the ground to the room, and finally achieves heating. The whole heating process dissipates slowly and does not produce severe heat sensation. , giving a sense of comfort.