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Blue heat as an alternative to traditional radiators

State-of-the-art blue energy has been presented as an alternative to traditional radiators for years, but is it really efficient? We analysed radiators of this type, which use a “blue sun” heat transfer fluid, so that you can see whether they are suitable for your home or office.

A blue heat radiator is an electric radiator that has been rated as more being efficient because it consumes less power than a standard low consumption radiator.

But, even if they are efficient and have low consumption, all electric radiators can lead to significant power consumption and, therefore, have an impact on your bill. We recommend that you read this content about the type of heating that really suits you.  

 

How does a blue heat radiator work?

Blue heat radiators have a liquid inside them, a “blue sun” fluid or oil, that generates, gives off and holds heat. They have a modern design, with an aluminium external structure and a blue digital screen.

The operation of a blue heat radiator is based on a phenomenon known as the Joule effect. It sounds complicated, but it isn't. Wherever there is an electric current, there are electrons moving at high speed and bumping into each other in such a way that they generate heat.

In the case of blue heating, the heat is concentrated in a resistor that in turn heats the fluid inside the radiator. The temperature of this oil rises and heats the outer casing, to heat a house like any other radiator. 

Advantages and disadvantages of blue heat

As with all heating options, there are pros and cons to having blue heat radiators.

Pros

  • They do not produce odours, gases or waste. They are much safer and cleaner than the classic burner or fireplace.
  • Easy and practical to install, they are a great option in homes that have no gas connection.
  • When you tot up the costs, they are cost-effective in second homes or small houses in warm climates.
  • Cheap to install and easy to maintain (being independent radiators, if one breaks down the rest continue to work).
  • Once they are turned off, they retain heat for several hours.
  • There are some very cheap models, costing just 60 or 70 euros.

Cons

  • They are not cost-effective if you are talking about a medium-size or big house, or if you need to turn the heating on every day during the winter. The impact on your electricity bill could be considerable.
  • The cheaper models tend to be less efficient and have worse technology, so to get an optimal solution you could expect to pay up to 500 euros per radiator. 

In short, we can conclude that they are not a financially valid option for every home. They are cost-effective because of their easy installation, or “to get by” in a flat or second home, or when you hardly need to turn on the heating, but not in the great majority of homes.

"Blue heat radiators are recommended for getting by in a second home or a hot climate."
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