Technology

  • Infrared radiant heating
  • CNT technology
  • Very high energy efficiency
  • Required connection load of about 25 W per m²
  • Radiation level of 78%
  • Surface temperature of the heating elements about 80°C
  • Ten-year warranty
Radiant heat

Construction

The infrared radiant heater by Heating Innovations is suitable for wall or ceiling mounting.Products

The extremely robust frame is made of S235JR steel with a thickness of 0.8 mm and is powder-coated in white or anthracite.

The back side is insulated with high-quality mineral wool, which is coated with glass fibre fabric on both sides. It has a junction box for power connection and concealed wall mounts.

There is a plate of white fine ceramics on the front side. If requested, the plate is also available in other colours or with any motifs printed individually. Frames can also be supplied in different colours.

The carrier material is isotropic glass fibre fabric that conducts both electricity and heat.

All components used are non-flammable and comply with DIN 4102-4, class A2.

Special features

nano-HIGHs are low-temperature infrared heaters produced by Heating Innovations in Germany.

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The technology used in the nano-HIGHs basically differs from that of conventional infrared heaters by a technical innovation: Not resistance wires, but a heating dispersion with conductive carbon nanotubes (CNT) warms up the heating element. This heating dispersion has over 800 times higher electrical conductivity than copper. The resulting higher resistance heats the surface of a nano-HIGH with significantly less energy consumption up to the required temperature of 80° C.

  • Less energy needed to heat the heating element up to 80° C
  • Less energy consumption, because it is heated only up to 80° C.
  • Less energy consumption, because a relatively high radiation efficiency is achieved at 80° C
  • Less energy consumption due to fewer operating hours

 

Heat output

ProductsThe heat output of a nano-HIGH, like of all infrared heaters, is comprised of radiant power and convective power.

 

ccording to Planck’s law for half-space radiation, the radiant heat output (q_{r}) is calculated as follows.

The required parameters are:

  • ϑsi (in °C)Temperature of the radiant surface: 80°C
  • Cs (in W/m²K⁴) Radiation coefficient of the black body: 5,67 W/m²K⁴
  • varepsilon Emissivity: 0,93

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The convective heat output is determined by the temperature difference between the radiant surface (ϑsi) and the room air temperature (ϑi). The required parameters are:

  • ϑsi (in °C)Temperature of the radiant surface: 80°C
  • ϑi (in °C)Temperature of the room air: 18°C

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The total heat output of a nano-HIGH is calculated by adding the radiant heat output (q_{{r}}) and the convective heat output (q_{{c}}):

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Paradigm shift

A paradigm shift is needed to understand the functionality and benefits of radiant heating. However, it seems that many manufacturers of infrared heaters have not (yet) accomplished it:

The infrared heaters used to heat a specific room size are usually selected based on the energy they consume. It is thus assumed that heating a surface up to a certain temperature always requires the same amount of electricity.

In fact, there are enormous differences. A nano-HIGH requires much less energy than conventional infrared heaters for the same thermal output. This is what their high energy efficiency consists in.

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You will find suitable infrared heaters by comparing their heat output rather than by comparing their power consumption!

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Manufacturers or consultants often recommend placing infrared heaters where people usually stay, meaning that persons should be beamed directly.

However, the optimal use of infrared heaters in residential and office premises means heating the entire space envelope. Walls, ceiling and floor act together as a heater through the uniform release of the absorbed heat. Whether infrared heating remains switched on or is switched off by the thermostat as soon as the preset temperature is reached, is irrelevant for the comfort.

Infrared heaters are aimed at warming up the room envelope and reflecting heat rays to the room rather than at direct irradiation!

Many manufacturers point out that the use of infrared heaters with a room air temperature of around 2 ° C reduces the desired feeling of warmth.

However, the rays emitted by infrared heaters warm up the objects (bodies, space envelope) rather than the air. Therefore, heating the air cannot be the aim of infrared heaters. The regulation by a thermostat, which measures the room air temperature, makes no sense as well. Instead, infrared heaters must be controlled so that the desired operating temperature (the average of the room envelope temperature and of the air temperature) is maintained.

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Maximum comfort is achieved through a certain operating temperature rather than through a certain (lower) indoor air temperature!