barbas ENERGA 70-55 TUNNEL, Installation Instructions Manual

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ENERGA 70-55 TUNNEL
10.2 HEAT RADIATION
The table below shows the temperatures which can theoretically be achieved by
burning wood.
Heat radiation
Sort of fuel kWh/kg
Dry wood (average) 4.3
Briquettes (average) 5.0
The heating value of wood (18.7 MJ/kg at 0% humidity) is not affected by the sort of
wood. What does make a difference is the relative humidity of the wood (15.6 MJ/kg
at 15% humidity).