Duo-Thermo, Sistema de Aquecimento Lda. Aquecimento eléctrico em pedra natural.

The Duo-Therm Central Heating System:
- stone as heat accumulator +
- glass plate with electrical resistance+
- regulating thermostat of the ambient temperature
preventing energy wastefulness and using to the maximum the advantage of the thermo-physical characteristics of the natural stone.

In the Duo-Therm system an estimated 70% of the heat energy generated is transported by radiation while the remaining 30% is transported by convection. It is also worth mentioning that the proportion of heat transported by convection uses a natural form of convection that is distinctly different from the forced convection used by conventional heating systems.

3 concepts in just one product: Aesthetic, Comfort and Economy!

With only one panel (STONE RADIATOR) you can heat and decorate your room.
(see the table below)

25 YEARS OF EXPERIENCE WITH ELECTRIC HEATERS IN NATURAL STONE!

Guarantee of ten years - Always functional!

Duo-Therm Radiators
Model	Measurements	Power	Heated Surface	Weight
MARBLE
Deluxe 500	600x400x20 mm	375 W	7-10 m2	21 kg
Deluxe 800	1000x400x20 mm	650 W	10-16 m2	24 kg
Deluxe 1200	1000x500x20 mm	900 W	15-23 m2	28 kg
GRANITE
Deluxe 500	600x400x20 mm	375 W	7-10 m2	22 kg
Deluxe 800	1000x400x20 mm	650 W	10-16 m2	25 kg
Deluxe 1200	1000x500x20 mm	900 W	15-23 m2	29 kg

The desired ambient temperature is regulated via a thermostat. This thermostat, connected to a 220/230 V wall socket, regulates the desired ambient temperature, switching the Duo-Thermo radiator on and off as the need arises. The thermostat should be installed at a certain distance from the DUO-THERMO radiator in order to ensure that the temperature of the wall and room are calculated as accurately as possible.

Innovation + Advantages:

- Reduction with about 20% of the initial warm up time
due to the simultaneous heating of the stone and the wall where the stone-radiator is installed.
- Bigger radiation surface
the distribution of the resistance is made with reduced intervals, thus increasing the length of the resistance (without power increase) and diminishing the consumption time.
- Increase with about 30% the capacity of heat accumulation
- Bigger decorative variety - type of stones, sizes and forms
- More hygiene - the stone-radiator is 3 cm moved away from the wall, allowing cleanness of the verse of the heater, preventing the accumulation of dust.