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Comparison Grunhelm FH-06 vs Aurora AU 069

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Grunhelm FH-06
Aurora AU 069
Grunhelm FH-06Aurora AU 069
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from $23.00
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Typefan heaterfan heater
Heating elementspiralceramic
Controlsrotary knobrotary knob
Power supplymainsmains
Max. power
2000 W /1000 W/
2000 W
Heating area20 m²20 m²
Features
Features
thermostat
fan mode
thermostat
fan mode
Safety system
overheat protection
overheat protection
More specs
Installation
floor
floor
Color
Added to E-Catalogseptember 2019october 2010

Heating element

The type of heating element provided in the device.

- Tubular heater, an element in the form of a tube, inside which there is a heating coil and a filler made of sand, ceramics, oil or other heat-conducting material/liquid. Heating elements do not heat up as quickly as spirals, and are somewhat more expensive; on the other hand, they are more fireproof. Moreover, the relatively low operating temperature prevents (at least partially) the combustion of dust and the appearance of unpleasant odours.

-Spiral — in this case, an open electric spiral is meant. Provides fast heating due to the high operating temperature. However, of all types of heating elements, it is the most fire-hazardous, and dust on the coil causes an unpleasant odor.

- Ceramic. The heating element constructed using ceramic plates. In this case, we are talking about a classic heater, which provides heating mainly due to convection; models with IR heating are placed in a separate category (see below). The main advantage of ceramic heaters over tubular heater and spiral heater is a relatively low operating temperature, which not only prevents the combustion of dust but also reduces the risk of burns (and the likelihood of fires is reduced to almost zero). In addition, ceramic elements are reliable and durable. Their main drawback is their high price.

— Ceramic with IR heating. Ceramic heaters (see above), are capable of providing heating not only due to direct contac...t with air but also due to infrared radiation. They are mainly used in convectors, but can also be installed in infrared heaters. Recall that IR radiation does not heat the air, but directly the objects to which it is directed, while the heat from heating is felt instantly, but only as long as the heater is turned on. Convection, in turn, allows you to warm up the entire volume of air in the room, but this can take quite a long time. The combined heater combines the advantages of these methods of operation and mutually compensates for their shortcomings: with its help, you can quickly heat individual parts of the room and, at the same time, warm the air inside. This can be useful, for example, if you need to heat a cold room and at the same time quickly warm yourself. The main disadvantage of elements of this type can be called a high cost. It is also worth considering that a specialized heater will be more appropriate than a universal one — for example, it is more reasonable to use classic IR heaters outdoors since the heat from the convector in such conditions will “fly away into the atmosphere”. A heating element consisting of a heating element and an IR heater also works on a similar principle. See above for more details on the operation of the heating element.

— Heat exchanger. A heating element found exclusively in gas heaters (see "Power supply"). It has the form of a long curved tube: through it, the products of combustion of gas move from the burner to the chimney, cooling down along the way and giving up their heat to heat the room. For more efficient heat transfer, the surface of the tube can be supplemented with fins, plates and other elements that increase the area of contact with air.

- Stitch heater. At the heart of the stitch heater is a set of thin and long metal protrusions, similar to needles. One of their key advantages is the almost instantaneous heating to operating temperature. On the other hand, this temperature is higher than that of heating elements, which leads to rapid drying of the air and increases the likelihood of unpleasant odours (dust or other contamination that gets on the needles is likely to be burned). Stitch heaters are found exclusively in convectors (see "Type").
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