Pellet heating with fuels that are regenerative

Many thanks to Vanessa Jäger for this article about the different types of pellet heating.

Residential buildings require heating to supply them with heat. In the past, these were single ovens, but today they are usually central heating. Here the engineers and technicians created the operation of the most modern systems, which thanks to sophisticated control technology are very efficient and require little maintenance. One of the following fossil and regenerative fuels is usually used as fuel for individual stoves or central heating:

  • Coal and coke
  • Crude oil
  • Natural gas
  • Firewood
  • Wood pellets

Fossil fuels in particular pollute the environment and the climate when burning. Exhaust gases like carbon dioxide are generated, Sulfur dioxide (Federal Environment Agency) or nitrogen oxides. In the context of environmental and climate protection, the question now arises as to which fuel should be used after a renovation or new construction of a heating system. Coal is being used less and less, and natural gas is becoming more climate-friendly than lignite or hard coal. Vattenfall continues with his Biomass strategy on a regenerative energy source.

Solid biofuels in the form of Firewood is only used as additional heating in individual ovens. Especially Wood pellets are strongly emerging. That is understandable. Wood pellets are made from wood, mostly from wood waste or inferior wood, a renewable raw material. So it is about Extraction of wood energy with a fuel that is renewable. Since wood pellets only release the carbon dioxide that the wood stores when it grows, the CO2 balance is balanced. With a pellet heating, you protect the environment. You also make yourself more independent from abroad, since renewable wood practically grows on the doorstep.

Heating wood pellets renewable

Which pellet heating systems are technically possible?

Pellet heaters can now be installed as individual stoves or central heating.

For example, water-bearing stoves could be considered as individual stoves. These are free-standing stoves that can be heated with pellets. Either with an integrated small pantry for one to several days that automatically supply the burner. Or with a supply from a separate storage room for many months.

Central heating systems with pellets work like conventional heating systems. Only the fuel, i.e. the wood pellets, is fed to the heating furnace via screw or blower systems. Nowadays, this loading is fully automatic. However, the pellets must be stored dry. Pellet heating is operated like with other fuels, a basic temperature is selected, to which the water heats up. If necessary in winter, this is simply increased. In addition to hot domestic water, hot water is also guaranteed for heating the entire building via pipe systems and radiators. Pellet heating can also be combined with a solar system, i.e. solar cells on the building roof. So a combination of two types of regenerative energy.

Heating costs for wood pellets 2013

The prices for pellet heating are constantly falling because the high costs for other fossil fuels are constantly increasing. So the high demand makes the price cheaper and cheaper. Wood pellets also have the advantage that there is a certain independence from oil and gas imports. In addition, pellet heating systems are subsidized by the state.

More information on kwb.at..

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