Bio Building

Radiant floors, how they work



THE radiant floors represent a real innovation in the field of domestic heating which occurs through conduction, radiation and convection. Both systems can be installed as a primary heating system of the entire apartment: the electrical systems can only be used for heating while for space cooling, hydronic systems must be used.

Radiant floors, installation
Both the electric heaters and the hydronic pipes can be installed in the reinforced concrete floor and can also be placed under the floor or connected directly to a wooden sub-floor

Radiant floors, operation
In radiant flooring, heating occurs by radiation through a flow of hot air, which is distributed from the bottom up, created by a heat source stored in the floor screed.
To generate this flow, it is necessary to generate two zones (floor and ceiling) of the same environment with different temperatures. In practice, when the floor is heated, a temperature difference is created with respect to the ceiling, thus generating an upward motion of hot air and a descending motion of cold air.
Initially the volume of cold air is greater than that of hot air, therefore the heat exchange will take place more quickly and with a greater expenditure of energy. With the radiant force there will be a gradual increase in the volume of the hot area: the downward flow of cold air will meet increasing resistance and the system, as a whole, will tend towards a point of maximum efficiency that can be maintained with a minimum expenditure of energy. .

Radiant floors, advantages

  • The distribution of heat is uniform in all spaces, unlike a traditional system, where high temperatures are concentrated near the heat sources.
  • They can be adapted to different architectural needs
  • They are able to intensify or reduce the diffusion of heat: for example near windows or in bathrooms.

Video: Radiant Hydronic Floor Heating System with Tankless Heater (November 2020).