Infrared heating: advantages and functionality

Infrared heating - heating with infrared

Infrared heating: advantages and functionality: infrared

One thing is for sure, heating is expensive and the price spiral keeps turning around. It is therefore constantly looking for alternatives and especially cheaper heating sources. Why should one then come up with the idea and heat with electricity? In many minds has established that the heating with electricity is the most expensive choice.

This is no longer the case in the age of heat pumps. Furthermore, there may be several reasons why the electric heater handle is the better choice. Let's just start with the transitional period when it shivers a little, but it does not pay to turn on the heating permanently. Here are electric heaters their advantages - they are clean, provide immediate heat and rarely require expensive installation work.

Why the infrared heater additionally sets itself apart from other electric heaters, we would like to explain in this article.

Contents: Infrared heaters - heating with infrared

  • What are infrared rays and how does an infrared heater work?
  • How much electricity does an infrared heater consume?
  • Is infrared heating more effective than other electric heaters?
  • How hot does an infrared heater become and where can it be installed?
  • What is needed for infrared heater installation?
  • Advantages and disadvantages of infrared heating

What are infrared rays and how does an infrared heater work?

Infrared heating: advantages and functionality: advantages

Decorative steel front - heating element - insulator - steel rear wall

With infrared heat, many think of the well-known infrared lamps, which are often used as a heat source for animals, in saunas or for medical heat treatment. In principle, we are already on the right track. An infrared lamp (heat radiator) already emits less visible radiation than a typical incandescent lamp and more infrared rays (heat rays). A "real" infrared heater implements this even more consistently, so that no light (dark radiator) and only infrared rays are emitted.

Infrared rays are known to us from the sun, whose light makes up about 50% of infrared radiation. This radiation ensures that the earth, us humans and every body, which is illuminated by the sun, is warmed up and gives off the heat to the environment. Therefore, it is cooler in the shade than under direct sunlight. This effect becomes clear on glaciers, where the ambient temperature is very cold, but not frozen in the sun, because the heat radiation of the sun warms the body but not the air. Snow and ice do not thaw because their bright surfaces reflect much of the radiation and they do not heat up. Without this warming of the surfaces also no heat can be given off to the environment and the temperature of the air remains frosty while we are warmed up.

How much electricity does an infrared heater consume?

You can count how you want, as the entire heating system of a home or apartment, cause electrical heaters in the long run quite high operating costs. Even if they convert almost 100% of their energy directly into heat and achieve perfect efficiency, one kilowatt-hour of electricity is significantly more expensive than the amount of gas or oil required to reach 1 kW of heating capacity. In this comparison, all electric heaters (excluding heat pumps) tend to perform moderately. The reason for this, however, is not the degree of efficiency, but the large price difference between electricity and other heating fuels.

Installed heating systems - whether gas, oil or pellets - have the disadvantage that it is hardly possible to warm a single room. For this purpose, the heating circuits would have to be turned off in all other rooms and even then the remaining water in the heating system still has to be heated. This costs a lot of time, energy and thus causes additional costs.

Infrared heating: advantages and functionality: advantages

Heating with electricity is cheaper for targeted use.

A single electric heater does not require any installation work and can be used directly where heat is needed. This results in a very high efficiency, which is more effective than to put the entire heating system of a house in operation. In terms of temporary or targeted heat electric heaters are therefore advantageous and cheaper.

The fact that electric heaters do not require a very small installation effort makes them even cheaper than alternative heaters in special cases. This can be, for example, the expansion of the attic, which can sometimes only be connected to the heating system by means of considerable renovation work, or the workshop which is not in the immediate vicinity of the residential building. To install a conventional heating system including a fume hood would be much more expensive and would also entail additional follow-up costs for maintenance or chimney sweeps.

How much electricity an infrared heater consumes can not be stated flat-rate and can not be stated in figures. To generate one kilowatt hour of heating energy you need one kilowatt hour of electricity, which costs about 26 cents on average. How much heating energy you need, however, depends on your heat demand and the thermal insulation, so that no concrete statement can be made. Here you will find a heating load calculator for infrared heaters, which helps you with the needs calculation.

Is infrared heating more effective than other electric heaters?

Looking at the efficiency of various electric heaters, this is almost 100% in all variants and is thus approximately equal. Nevertheless, infrared heating works more effectively. How does it work and what is the benefit of infrared heating?

Infrared heating: advantages and functionality: advantages

Infrared heaters heat the body directly.

Infrared heating: advantages and functionality: functionality

Convection takes a detour via the air.

Decisive for an effective heating is not only the efficiency between invested and usable energy, but also,how the heat is distributed and perceived, Underfloor heating, for example, allows the heat to flow past the body and is thus better perceived than the radiator on the wall. Even with identical heat generation, the underfloor heating would be more efficient and thus the better choice.

The same applies to an infrared heater compared to other electric heaters, such as oil radiators, fan heaters or convectors, which find their name in the form of heat dissipation. Convection (flow that carries particles) in this case refers to the heat flow, which has a large effect on the heat distribution and especially the heat sensation. conventionalRadiators are here in a big disadvantagewhich entails higher consumption.

Air is a bad conductor of heat andThe heat of a radiator is only noticeable in the immediate vicinity, So that she still arrives at the heating process, the heat has to flow upwards, gather under the ceiling and fill the room from top to bottom, before she reaches you. It takes time and is ineffective as you need the heat on the body and not under the blanket.

The infrared heater distributes its heat more effectively, It does not warm the air, but the bodies it illuminates. The heat does not have to spread in the room and take the detour via the air. This saves time, energy and is therefore more economical than other electric heaters.

How hot does an infrared heater become and where can it be installed?

Infrared radiators reach a surface temperature of about 80° C to 110° C - and are thus partially comparable to other electric heaters. Partly because they differ in heat generation. As with oil radiators, the heat is generated evenly and there are hardly any temperature differences. Electro-convectors, on the other hand, work with a different principle and, although they have a not so hot surface, they have glowing wires inside, which reach a much higher temperature. Convectors are therefore subject to a particular fire risk and should not be used, for example, in workshops where wood is used. With a larger amount of wood dust, the glowing wires can cause a dust explosion.

Infrared heating: advantages and functionality: heating

Infrared heaters can be decoratively used as mirror or picture heating.

Infrared heaters are excluded as wood and wood dust do not ignite even at 110° C.This means that IR heaters can be safely used in wood workshops and garden sheds. Another advantage here is the better heat distribution, which allows infrared heaters to be dimensioned much more economical than alternative electric heaters. Whereas a well insulated room of about 15 m² requires approximately 600 watts of infrared heating, convection heating would require a heat output of about 1000 watts to compensate for heat loss. A lower power consumption of the infrared heater means lower consumption and reduces the risk of fire due to overloaded power lines.

With a lower power consumption, which can be improved by the distribution on several small heaters, can be aConnect the infrared heater to any standard power outlet, The area of ​​application can be chosen with absolute flexibility.

Of course, the shape of the heat output also has an advantageous effect when choosing a seat. While convection heaters have to be installed as deep as possible in the direction of the floor in order to be able to distribute the heat well, you have oneInfrared heating a free seat option, Here it is only important that the radiant heat is distributed as evenly as possible in the room or directed to the desired heating place. Whether the infrared heater is mounted on the wall or ceiling, is irrelevant. In form of aPicture heating or infrared heating with mirror, this can even be used decorative.

What is needed for infrared heater installation?

As already mentioned, an infrared heater to connect only needs a power outlet. Depending on the power consumption of the heater, however, you must make sure that the power outlet and also the supply line are designed for the required power. Up to 1000 watts you need to worry about this in the rarest cases. However, you should avoid operating multiple heaters on a wiring harness. In an emergency, consult an electrician who can tell you exactly what power each outlet is allowed to carry.

To attach the infrared heater, special tools will require special expertise. All you need is a matching drill and the ability to put dowels in a wall. Thus, every layman is able to mount an infrared heater. The required brackets are included with the heater.

Infrared heating: advantages and functionality: functionality

Special brackets on the IR heaters allow easy installation.

Infrared heating: advantages and functionality: infrared

If the wall brackets are attached, the heater only needs to be hung.

Mainly use infrared heaters a way to mount the plates, mirrors or pictures to keep a safe distance from the wall and to be able to fasten hidden. For this purpose, special brackets are attached to the wall, in which the infrared heater then only needs to be mounted. It is also easy to remove and clean.

Advantages and disadvantages of infrared heating

Many points have already been mentioned, such as a more efficient heat distribution, a better fire protection and a simple assembly, but also the view of our environment should not be neglected. Here theAdvantages of an infrared heater summarizes:

  • It has long been recognized in the automotive industry - the future belongs to electric cars. Likewise, this idea will also prevail in the heating heat generation. The solar, wind or water power needed to produce electricity is inexhaustible, gas, coal and oil are inexorably on the verge of ending. The scarcer these commodities become, the more pronounced prices will rise. But not only the cost factor plays a big role. Sun, wind and water are so-called regenerative or renewable energies. They are always available and do not harm the environment. Their extraction does not produce any exhaust fumes and neither trees have to be felled nor whole areas of land undermined. Infrared heaters are environmentally friendly and work sustainably.
  • With efficient operation and better heat distribution, they are more economical than comparable electric heaters, which also benefits nature.
  • Unlike convection heaters, infrared heaters rarely cause air movement through rising heat, which drastically reduces dust levels and provides a comfortable living environment.
  • Infrared heaters require no maintenance, no chimney, no circulation pumps and therefore cause no additional costs.
  • Due to a uniform heat generation without glowing or burning parts, the risk of fire is reduced.
  • Their easy installation allows for a variable design or extension and when you move, you can easily take your heating with you.
  • Infrared radiation is immediately felt on the skin as heat, whereby a lower room temperature is still perceived as pleasant. That not only lowers the heating costs. With a lower room temperature, the temperature difference also decreases to the outside, which reduces heat loss and reduces the risk of mildew.

Infrared heating: advantages and functionality: advantages

Infrared heaters can be "hidden" on the ceiling...

Infrared heating: advantages and functionality: advantages

... or subtly and decoratively integrate.

Of course we do not want to conceal that tooInfrared heating cons Has. However, these are very small compared to the advantages.

  • Electricity is still quite expensive, which means that infrared heating only rarely pays off as the main heating. Its advantages are in the transitional period, with a quick or selective heat demand or in space without alternative heating possibility.
  • Infrared heaters do not have their own thermostat for a variety of reasons. This must also be purchased and located as far away from the heater as possible. This causes additional costs, however, incurred once during installation.

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