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Net calorific value (CV) or Lower Heating Value (LHV) given for all fuels. This means that the latent heat of vaporization of the water vapour created by combustion is not recovered by condensation
| Fuel | Net CV by mass | Bulk density | Energy density by volume | ||
| GJ/tonne | kWh/kg | kg/m3 | MJ/m3 | kWh/m3 | |
| Wood chips (30% MC) | 12.5 | 3.5 | 250 | 3,100 | 870 |
| Log wood (stacked – air dry: 20% MC) | 14.7 | 4.1 | 350-500 | 5,200-7,400 | 1,400-2,000 |
| Wood (solid – oven dry) | 19 | 5.3 | 400-600 | 7,600-11,400 | 2,100-3,200 |
| Wood pellets (10% MC) | 17 | 4.8 | 650 | 11,000 | 3,100 |
| Miscanthus (bale – 25% MC) | 13 | 3.6 | 140-180 | 1,800-2,300 | 500-650 |
| House coal | 27-31 | 7.5-8.6 | 850 | 23,000-26,000 | 6,400-7,300 |
| Anthracite | 33 | 9.2 | 1,100 | 36,300 | 10,100 |
| Heating oil | 42.5 | 11.8 | 845 | 36,000 | 10,000 |
| Natural gas (NTP) | 38.1 | 10.6 | 0.9 | 35.2 | 9.8 |
| LPG | 46.3 | 12.9 | 510 | 23,600 | 6,600 |
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