ARGUMENTS
1. Background.
2.- User needs.
3.- Functional characteristics.
* Temperature gradient.
* Uniform thermal emission.
* Use with textiles.
* Aeration.
4.- Emotional characteristics.
* comfortable
* User preference.
* It is not seen, it is felt.
1. Background.
Optimal thermal environment.
- Surface temperature < 29ºC (UNE-EN ISO 7730 and ISO/TS 13732-2
- Humidity:
- 30% – 70% (UNE-EN ISO 7730)
- 40% – 60% (ITE 02)
- Temperature:
- 20ºC – 24ºC (winter) (UNE-EN ISO 7730)
- 20ºC – 25ºC (ITE 02)
- vertical gradient:
- Measured at 0.10 m and 1.10 m < 2ºC
- Optimal perceived comfort

2.- User needs.
In order to achieve total consumer satisfaction, it is necessary to satisfy, on the one hand, the functional benefits generally present in the products on the market and the emotional benefits such as the image that the product transmits and that is captured by the consumer.
Opinions made during the surveys…
"It is not seen, nor heard, nor dirty, you just notice that you are comfortable"
“I like to walk barefoot, so the feeling of the warm floor is very pleasant”
"It does not take up space, aesthetically it looks better and fulfills its purpose"
“For me it is very important that the heating system does not make noise”
“Underfloor heating is cosier, it provides a more uniform heat”
3.- Functional characteristics.
* temperature gradient.
The temperature profile of underfloor heating achieves a slightly higher temperature at the feet, which provides a feeling of comfort greater than that provided by other heating systems (Source: CONAIF)

Avoids the formation of hot and cold zones inside the premises.

* Use are textiles.
It has been proven that its use with textiles does not reduce heat transmission and maintains the safety of the system.

* Aeration.
The system por folio electric radiant It quickly recovers the comfort temperature after having opened doors and windows.

4.- Emotional characteristics.
Comfortable temperature in the feet.
Overall comfort in the feet. Underfloor heating is better valued than heat pumps and radiators.

* User preference.
Users 100% would choose underfloor heating first.

* It is not seen, it is felt.
– Gives total freedom in the distribution of space.
- Esthetic.
– Does not take up space.
– Does not dirty.
Test carried out by the Institute of Biomechanics of Valencia with 6 women between the ages of 25 and 40.
Generalitat Valenciana Ministry of Industry, Commerce and Innovation
Authors:
- Thomas Zamora
- martha valero
