The price of gas is continuously rising. The use of alternative heating sources helps a lot to save on the heating expenses. Due to the market prices of the various fuels are expressed in different units of measurement, that have different calorific values and to the fact that each house has its own characteristics, it is not easy to make an immediate comparison.
However, that table below shows an indication of the average savings obtained by switching from the various coming heating sources to a pellet stove.