- Comfort: temperature differences not to be exceeded
- How many radiators should I install?
- Where should the radiators be positioned?
- Traps to avoid
For comfort to be achieved, thermal differences must be regulated from one room to another and from one area to another within the same room.
Comfort: temperature differences not to be exceeded
• The temperature difference between the ambient air and the walls must not exceed 3° C. From a difference of 4° C, the difference in temperature becomes noticeable. Cold surfaces create feelings of discomfort.
• In the horizontal plane, the temperature difference must not be greater than 10° C.
• The floor heating must remain at a temperature below 28° C.
• In the vertical plane, the temperature difference between several surfaces must remain below 5° C. Beyond that, we feel the effect of cold wall or hot zone.
• The maximum temperature difference between the head and the feet must not exceed 3° C. Beyond that, the difference is perceptible and unpleasant.
How many radiators should I install?
• In order to achieve a uniform temperature in a large room, it is preferable to install several medium-power radiators, rather than one or two very powerful radiators. Their layout also plays an important role in optimizing the diffusion of heat over the entire surface.
Where should the radiators be positioned?
• In a poorly insulated house, place the radiators under the windows to reduce the cold wall effect.
• In a well-insulated house, install the radiators against the interior partitions so that heat is diffused on both sides.
Traps to avoid
• Do not place the radiators near the head of the beds: the radiation will be unpleasant at night.
• Do not install the radiators behind the furniture or behind the movement of the doors that are most often open: this prevents hot air from circulating and blocks the radiation.
• Do not place furniture within 2 meters of radiators.
• Do not cover radiators, nor install them behind curtains: this greatly reduces the diffusion of heat.
• Avoid placing radiators facing each other in the same direction: plan to install them at opposite ends and oriented in perpendicular directions.