How to maintain a healthy radiator?

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Proper maintenance of the radiator is necessary to save energy and also to keep you warm. When we are talking about radiator maintenance, we are referring to all those operations designed to preserve the proper function of the radiator and the boiler.

The first thing that must be done for a correct maintenance of the radiator is to periodically check the water pressure in the circuit and, if necessary, eliminate the air bubbles from the radiator themselves.

If the radiator does not heat up or if it is a single radiator that does not light up or only partially heats up, there is probably an air problem in the circuit and / or a low pressure. Under these circumstances, unscrew the vent valve located on the side opposite to the one that holds the key to open and close the water, until the air comes out.

If only hot water comes out of the valve, close it again and check the levels of the amount of water flowing into the system. To know if there is enough water in the radiators, simply check the boiler gauge where you should find a value between 1 and 1.3 bar. If you notice a lower value, open the water charge key and leave it open until the ideal pressure is reached (between 1 and 1.3 bar).

Cleaning the radiator  

Radiators should be dusted before each ignition and regularly throughout the year. Here are some tips to clean the radiator:

  • To clean the radiators, you can help yourself with flexible dust-free duvets that can reach the radiator inlets. For this purpose, we recommend the versatile and washable microfiber pad. We recommend that you use it only to clean radiators.
  • For cleaning the radiator, you can also use compressed air cylinders. Small cylinders of compressed air of 400 – 500 ml can be found in the market at a cost of 2 – 3$ and are capable of providing a powerful blow to eliminate all traces of dust.
  • If you have children or pets at home, you should wash the radiators with a natural degreasing product. Remember to avoid chemical detergents because they are too aggressive and can damage the finishing and the surface of the radiator.
  • Avoid painting the radiators or, if you really want, use natural and breathable paints: some paints can hinder the heat coming out. To improve the performance of the radiators and also to save energy, we recommend installing an insulating panel and heat-reflecting panel on the same wall that houses the radiator (the radiator is nothing but a “radiator” of heat).


In this article, we have mentioned few tips on how to maintain a radiator and also to clean a radiator properly. You are advised to check the water pressure in the circuit regularly and identify any air problem within the radiator. To clean the radiator, you can try to use dust-free duvets made of washable microfiber pad or compressed air cylinders. Apply the tips mentioned in this article and find yourself with a healthy radiator, goodluck!

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