How efficient are wood burning and multi fuel stoves?

Today’s stoves are more efficient and technically advanced than those manufactured only a few years ago so efficiencies in excess of 75-80% are now possible.

For example, a stove with a net fuel input of 6.5kW and an output rating of 5kW is 77% efficient.
With a very few, particular exceptions, the figures for all Stoves have been independently verified by CE and HETAS approval systems.

Also do not forget that, unlike an open fire or hearth, a stove has airtight doors and a sealed flue so it will not draw heat from other heating sources, such as radiators or electric storage heaters, up the chimney. This means the stove can conserve energy even when it is not lit.

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