The advantages of wood pellet boilers!

One of the alternative fuels for heating are the wood pellets which consist of wood remains and  processed woody materials. Wood pellet boilers on the other hand are designed to burn wood pellets and only, they do not pollute the environment at all, and depending on the model, they can produce between 10,000 and 60,000 Btu per hour.

Wood pellet boilers have been very popular in recent years mainly because of the savings they make in household's budget. They are available in various sizes and designs in the market, and their mode of operation is based on five sub-sections:

• Tank
• Combustion site (burner)
• Chimney
• Control unit
• Heat exchange device

In brief, a wood pellet boiler incorporates a wood pellet burner and a tank which contains water, and once wood pellets are burning into the burner, the water that is heated into the tank is pumped  to the radiators. One of the advantages of wood pellet boilers is that they do not need to be refilled as often as other wood burning appliances. The wood pellet supply varies from once a day to twice a week depending on the boiler model and the heating needs of the particular space. Wood pellets supply takes place by putting them  into a hopper that holds between 15-60 kg, and the feeding procedure continues with a mechanism which carries them inside the burner. Another advantage of the wood pellet boiler is that it does not have to stop working in order to clean it. The ashtray, in which ash is concentrated, is easily removed and can be emptied every two days even if the burner is still in function.

Most wood pellet boilers have a cost from around $3000 to $7000 and if you compare the price of a wood pellet boiler with a device that uses oil or another heat generating device, it is advisable to compare the total cost of installing the different systems. If the wood pellet boiler does not need a chimney then the cost of the whole system may be less than that of another. From a fuel economy point of view, wood pellet boilers compared to conventional oil boilers reduce heating costs by 40-60%, while not contaminating the environment. At the same time, their performance is equivalent to those of oil and in some cases exceeds them. The rapid rise in oil prices over the last few years, coupled with the general economic crisis, makes the wood pellets solution even more advantageous and attractive, as the energy of 1 lt of oil equals with about 2 kg of wood pellets.

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