Energy saving

Types of heating boilers

Types of heating boilers

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All thetypes of heating boilers,burn a fuel and transfer the heat produced, through the so-called "exchanger", to the plant heating. Despite the advent of new onesboilersmore efficient, the most common are the classic onesnatural gas boilers.

The classification of the different types of boiler for heatingit can be done according to the operating model or according to the fuel.

Open chamber boiler or sealed chamber boiler?

Based on the way theboilersthey take the air for combustion, you can have them open chamber boilers is sealed chamber boilers. In the latter (sealed chamber)the flame is totally isolated from the environment and the air is taken from the outside through a coaxial pipe which also takes care of expelling the internal polluted air. In this model the draft is of the forced type. The advantage of the sealed chamber boiler is that it can be installed directly in the home, in the bathroom or in the bedroom.

On the contrary, theopen chamber boiler, by law it must be placed outside or in a room with an opening with ventilation (in a suitable basement, in the cellar, behind the house ...). Inopen chamber boilerthe air is taken directly from the environment (which is why it requires a ventilated environment) and the fumes are discharged by natural draft from a flue which conveys them outside by means of a chimney.

The boiler for the production of hot water
If the boiler, in addition to heating the house, must also provide hot sanitary water, it must be of the “combined” type, that is capable of producing hot water instantly or with a storage system.

Based on the fuel, we have several types of heating boilers:

  • Oil fired boilers
    The modern ones are well insulated, characterized by cast iron exchange surfaces; they are silent thanks to large cavities that avoid deposits and flow noises.
  • Pellet boilers
    Recently widespread, they have a high thermal output and models with forced smoke evacuation (see ventless stoves) can be positioned more freely.
  • Multi-fuel boiler
    These boilers can burn a large number of fuels: wood, cereals, wood chips, shavings, pellets… the more versatile models have an additional diesel burner.
  • District heating
    More than a single boiler, it is a real “district heating plant”. Also in this case the principle of the heat exchanger is applied. It is very economical and efficient, useful for heating entire buildings and condominiums.
  • Wood boilers
    They are more difficult to manage: wood is more complex to store, even when compared to pellets. In the latest generation models, maintenance works are reduced.
  • Condensing boiler
    In condensing boilers (methane or LPG), the steam produced by combustion is condensed to recover heat before being expelled through the flue, this is a highly energy efficient boiler.

Other items that may interest you: Boiler efficiency: how to improve it

Video: Boilers Basic Principles u0026 Types. Piping Analysis (May 2022).