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  • Biomass Boiler
  • from £100
  • With a Biomass Boiler you could:
  • Save up to £650 on fuel costs per year
  • Earn up to £3800 on RHI payments per year for 7 years
  • Make your return on investment in as little as 1 month
  • Initial outlay cost from £100
  • Green Deal Grants available
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Costs of a Biomass System

Capital costs depend on the type and size of system you choose. But installation and commissioning costs tend to be fairly fixed. Stand alone room heaters generally cost around £2,000 - £4,000 installed.

The cost for boilers varies depending on the fuel choice; a typical 20kW (average size required for a three-bedroom semi-detached house) pellet boiler would cost around £5,000 - £14,000 installed, including the cost of the flue and commissioning.

A manual log feed system of the same size would be slightly cheaper. Running costs: Unlike other forms of renewable energy, biomass systems require you to pay for the fuel. Fuel costs generally depend on the distance from your supplier. As a general rule the running costs will be more favourable if you live in an area that doesn't have a gas supply.


This depends on the fuel being replaced and the type of wood fuel being used. It too is more favourable in areas that don't have a gas supply.

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