How efficient are oil radiator in central heating?

During the winter, having a quality heating system that can generate a warm environment without consuming a large amount of energy. The best option is to acquire the best oil radiator. In general, the price of electric oil radiators will depend on their different characteristics. So, with this purchasing guide, we want to facilitate your search. So that, you can choose the option that best suits your needs, while saving time and energy.

What is an oil radiator and what is it for?

oil radiator

It is a device that is one of the alternatives that there is to heat our house and that the family is less cold. The heat is produced by the heating by means of resistance, of a thermal fluid (the oil), once ignited to the electrical network by means of a plug.

Through the oil, hot, is transmitted uniformly by the device, radiating heat by natural convection to the room. In addition, the best models contain thermodynamic fluids that have properties of heat retention. So, it does not need so much electrical consumption to heat, since the temperature reached, the radiator goes out, keeping the heat.


  • They are cheaper than other heating systems such as electric radiators.
  • Silent
  • Easy to handle and transport
  • With thermostat to regulate the temperature.
  • It does not need maintenance: the oil does not have to be recharged.
  • Keeps the heat off once.
  • Does not consume oxygen or emit gases


  • They take a long time to warm
  • They have the same consumption as other systems, although they keep the heat when they are turned off.

Because of their size, they tend to be large and bulky, when it comes to storage (although there are small models, used for example for a table stretcher, its efficiency is lower). It must be complemented with other more versatile heating systems.

▷ Power


No doubt when it comes to heating the power plays a key role since it is necessary a high heat capacity cover a spacious area, this relationship is usually something simple 100 watts is needed, to cover at least 1 square meter.

Some models have resistors, these allow to connect in parallel, depending on the level of heating required, this temperature can usually be adjusted by a regulator.

In addition, an advantage of these devices is that once it reaches its temperature limit it is usually turned off automatically in order to save energy.

▷ Thermostat and programmer


The presence of a thermostat in the device is very essential since this will allow handling the temperature degrees that best adapt to the temperature of the exterior, it is equally necessary that there is also a manual switch that allows handling the resistance.

Another relevant aspect in oil radiators is that they have a programming system that allows you to maintain the temperature you want, then it will turn off at a certain time to avoid unnecessary energy consumption.

In case the model does not bring, there is the option to get an external programmer in the market, which allows to modify the times of ignition and paid.

▷ Security


As it is a product that handles oil and heat, it is extremely important to consult what kind of safety measures the radiator is able to provide, to avoid accidents that may affect your home.

Among some of the most common systems is a disconnection system that is activated automatically when there is an overload or a very high energy rise.

You should also look at the quality of the manufacturing materials and the cables are not of low quality. In addition, we recommend that you never install the radiator near items that are prone to igniting on fire such as curtains, clothing or other electrical appliances.

▷ Convector or oil radiator?

Convector or oil radiator?

When deciding which is better, if an oil radiator or a connector, you have to take into account the needs to know which system will best meet expectations.

The convector represents a greater expenditure of energy if it is intended to heat large rooms, while for small rooms it represents an advantage.

Oil radiators have a low consumption, are very energy efficient, are ideal options for small rooms (up to 10 m2) where constant use is required.

How much does an oil radiator consume?

The measurement of the consumption of any domestic appliance can be done manually or by means of one of these electrical consumption measuring devices.

To know what this device spends previously we must know the power of the same and the time that the device will be connected. Normally it is usually between 1000 and 2000 watts.

To give an example of a Delonghi radiator of 1000 watts (2 kilowatts), which we will use for 4 hours in the evening. Approximately, applying a light rate of 0.14776 dollars kilowatt per hour. It would be calculated using the following operation: 2 X 4 X 0.14776 = 1.18208, amount to which the VAT should be added.

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