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The most correct scheme for laying a water-heated floor pipe for enhanced heating

When they talk about the scheme of laying a pipe for a water-heated floor, then in most cases they use the following laying scheme:

The scheme is called "snail". It is considered the most effective due to the fact that such an arrangement of the pipe warms up the concrete screed more evenly and the floors will be evenly heated over the entire area. There are no hot or cold places.

Snake and double snake schemes are less common because do not allow to evenly warm up the area of ​​the concrete floor.

With well-insulated walls of the house or with sufficient thickness of the walls and their thermal characteristics, it is possible to heat the house only with warm floors. There are cases of well-designed and well-built two-story houses, where only the first floor is heated with warm floors. And on the second, it happens, the heated floors and radiators are turned off. It is said to be a passive house with minimal heat loss.

The main heat loss will occur through windows and doors, for example, to the terrace. The floors under the windows and at the doors will always be colder in frost. Warm air will create less convection and heat curtain. And so that in cold weather warm floors in such places are more efficient, a pipe laying scheme is used for enhanced floor heating along the outer walls, windows and doors:

The scheme works like this: a coolant with an elevated temperature first passes through a pipe laid in a snake along the outer walls. Gives off more heat in this place, because cold air cools these areas of the floor more strongly. And then a snake pipe is laid to the center of the room and to the exit to the collector.

Due to the large heat losses along the outer walls, the screed temperature evens out. And there is another huge plus of this scheme. If abnormal frosts have come (they happen even in warm regions), then by increasing the temperature of the coolant to + 30... + 35 degrees, you will make the floors uncomfortable with the classic scheme of laying the pipe with a snail. You will not be able to walk on them barefoot - only in slippers.

The photo shows an example of laying a pipe underfloor heating with reinforced heating along an external wall

With such a pipe laying scheme (first along the outer walls), the main floor area where the coolant comes at the end of its movement will already have a comfortable temperature of + 22... + 25 g. Besides, you don't move along the walls of the house ...

And with water heated floors with such a pipe laying, you can heat the house without additional installation of radiators under the windows and the establishment of a separate circuit in the rooms.

This is just a theory. Ideally, everything needs to be calculated: to know the heat loss of your walls, ceilings and windows and calculate the heat transfer of warm floors - all at different temperatures.


Photos are taken from open sources, from Yandex. Pictures

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