Electric heater from 3 kW

Electric heaters are mobile heaters that generate warm air through fans or heat up the room via heat radiation. They serve to increase the room temperature for a short time if necessary. They are often used as an add-on to permanently installed heating systems because they are easy, fast and flexible to use. KlimaLex will tell you more about it here.

Further information about Electric heater of 3 KW can be found at End of this page.

RRP 1.967,00 €
1.899,99 €

incl. 19 % VAT, excl. Shipping costs

Weight 50 kg
RRP 1.896,86 €
1.799,99 €

incl. 19 % VAT, excl. Shipping costs

Weight 30 kg
RRP 178,50 €
169,99 €

incl. 19 % VAT, excl. Shipping costs

Base price per meter: 22,37 €
RRP 129,71 €
119,99 €

incl. 19 % VAT, excl. Shipping costs

Weight 15.1 kg

Types of heat

Radiant heat

The environment is heated with horizontal heat waves. This is a direct form of warming. It is healthier, as the warm air does not come from any heating element and therefore no dust is carried.


This is an indirect heating. That is, a heating element absorbs cold air, heats it and releases it to the environment. The warm air rises, cools on the ceiling and sinks back to the ground where the process begins again. With convection heat, the environment heats up more uniformly than with radiant heat, but it carries more dust particles with it.

Types of electric heaters


An integrated heating coil heats the air and delivers it evenly to the environment via a fan. Suitable locations are all those that are to be heated quickly. The bathroom, cellar compartment or the office can be supplied with heat in an uncomplicated way. There are some models on the market where the fan function can also be used without a heating coil, which also allows use in the summer to cool the air. Many models are also equipped with an integrated towel rail or have a visually very fashionable or sophisticated design, so that the fan heater can also be used well in the living area.

Halogen lamps

In contrast to the fan heater, no fan is installed in the halogen spotlight. The heating effect is achieved by heat waves. Without long lead time and by targeted radiation can be provided quickly for a pleasant room temperature. This type of heating has the advantage that it is quiet and no dust whirling generated. Radiant heaters are well suited as additional heating or as a short-term heat donor. These heaters are known above all for their use around the changing table, on the toilet or on the terrace or balcony.

Infrared radiant heater or heat wave heating

Infrared rays irradiate with pinpoint accuracy within a certain radius. They work in a similar way to sun rays, they penetrate the skin (about 5 mm deep) and thus produce a particularly pleasant feeling of warmth. Infrared radiant heaters are very energy efficient and are suitable for indoor as well as outdoor use. Particularly space-saving are infrared heaters, which can be mounted as flat panels on the wall or the ceiling. Increasingly, the front can also be individually printed or camouflaged as a mirror.

PTC units or ceramic fan heaters

A ceramic element inside the device is heated by a PTC thermistor. The advantage of the PTC technique and the ceramic element is that it does not glow and therefore the risk of fire is minimized. Ceramic fan heaters are also very compact and energy efficient. Furthermore, the ceramic elements regulate themselves, whereby overheating is not possible. The clean combustion is another plus and these quick heaters are therefore well suited for people with allergies or people with respiratory problems and are very popular in the outdoor area and in campers.

Quartz Devices

These units have special lamps that use medium wave infrared radiation to heat the quartz glass itself and deliver it directly to surrounding objects and people. Unlike ceramic heaters, quartz heaters react faster, but they are not suitable for dusty environments and are more susceptible to mechanical stress.


These heaters work with warm water that flows through a tube surrounded by aluminum fins. Negative pressure draws in cold air from the convector and thus activates warm air circulation.


Built-in security features

Freestanding units have a tilt protection. If the device fails, an automatic shutdown occurs. Overheating protection is also included to prevent overheating. Living Children and / or pets in the same household should be careful to choose an electric heater that is particularly stable and does not get very hot.


To prevent the electric heater from being in operation for too long and possibly overheating, it is advisable to attach a timer or a timer. This is also useful for automatically turning on the heater without the need for your own presence. So the morning can start optimally in an already preheated bath or enjoy the end of work in the preheated warm living room.

Which device for which room?

Mobile electric heaters> 3 kW KlimaLex donate heat exactly where it's needed. Due to the size of the room, some heaters are more or less suitable.

Large rooms

If large rooms are to be heated with constant heat, radiators with a large surface are recommended. Radiators and radiant heaters are best for this, but there are also electric convectors in question, which are offered as a stand or hanging devices for the wall. In addition to the square footage of the room, the height of the room is decisive, ie the volume of the room, for the selection of the appropriate electric heater.

Small rooms

Quick heaters are perfect for quickly and accurately heating small areas. By means of heating coil and fan warm air is distributed in the room. However, energy-saving and healthier are infrared heaters, which also heat noiselessly. Typical location for a fan heater is the bathroom or under the table as additional heat source when the feet are cold.


Mini fan heaters are particularly popular in the mobile sector. Camper or mobile home users like to use these small heaters, as they can easily fit on a table.

Performance / power consumption

Electric heaters are offered with different levels of performance. The bandwidth of home appliances is wide.
Watt is the unit of measure for performance, that is, it is the energy expenditure per period of time. As a result, the higher the wattage, the higher the performance of the device. In this case, the power is output as heat, that is, the higher the wattage, the more heat can be produced. Most models of electric heaters have multiple power levels that are individually selectable. The higher the heating power (ie the wattage), the higher the power consumption will be. Heating at the lowest power level appears to be more energy efficient at first, but it takes longer to reach the desired temperature, so no power is saved.

Recommended wattage per room size

  • 5 to 10 m² - 500 to 1000 watts
  • 10 to 15 m² - 1,000 to 1,500 watts
  • 15 to 20 m² - 1,500 to 2,000 watts
  • 20 to 25 m² - 2,500 to 3,000 watts
  • More than 25 m² - from 3 kW
Formula for calculating the required wattage
As orientation value: 50 W / m³

18 m² room area, 2.30 m ceiling height
18 x 32.30 = 41.4 m³ room volume
41.4 x 50 = 2.070 watts

Buying criteria

Before purchasing an electric heater, it is important to know your own needs and wishes in order to select the most suitable device. Location or usage considerations are required. Should the heater only be used in extreme cases or permanently in a room? Does the heater need to be able to warm up the room quickly and efficiently, or is it desirable to use it selectively? How important is the design? If the device is to be used mobile, then its weight is also crucial? The range of electric heaters available on the market is varied, so that the demands of the buyers can be easily covered.


Electric heaters from 3 kW are ideally suited to cover additional heat requirements and to provide more well-being.

Your KlimaLex Team